Precision Digital PD2-6210 User guide

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Helios PD2-6210 Analog Input Batch Controller
Instruction Manual
PRECISION DIGITAL CORPORATION
233 South Street • Hopkinton MA 01748 USA Tel (800) 343-1001 • Fax (508) 655-8990
www.predig.com
• Large Display NEMA 4X, IP65 Wall Mounted Batch Controller
• 0-20 mA, 4-20 mA, 0-5 V, 1-5 V, and ±10 V Field Selectable Inputs with ±0.03% Accuracy
• Large Dual-Line 6-Digit Display, 1.8" (46 mm) Digits Readable up to 100 Feet (30 Meters) Away
• Isolated 24 VDC @ 200 mA Transmitter Power Supply
• 4 Relays with Interlocking Capability + Isolated 4-20 mA Output Options
• Free PC-Based, On-Board, MeterView Pro USB Programming Software
• SunBright Display Standard Feature; Great for Outdoor Applications
• Start / Pause / Stop, Change Batch Remote Capabilities
• Display Batch Total, Rate, Grand Total, Count or Preset
• Single or Multi-Stage Batch Control (Up to 4 Relays)
• Automatic Overrun Correction
• Automatic or Manual Batch Control
• Low or High Flow Alarms while Batching
• 9 Digit Grand Total with Overflow Feature
• Count Up or Down, Independent for Batch & Grand Total
• Operating Temperature Range: -40 to 65°C (-40 to 149°F)
• Conformal Coated PCBs for Dust and Humidity Protection
• UL & C-UL Listed. E160849; 508 Industrial Control Equipment
• Input Power Options: 85-265 VAC / 90-265 VDC or 12-24 VDC / 12-24 VAC
• Programmable Display, Function Keys & Digital Inputs
• On-Board USB & RS-485 Serial Communications
• Modbus RTU Communication Protocol Standard
• 5 Digital Inputs & 4 Digital Outputs Standard
• Password Protection
• Light / Horn & Button Accessory
• Control Station Accessory for Remote Operation
• 3-Year Warranty
MeterView Pro
USB Install
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Disclaimer
The information contained in this document is subject to change without notice. Precision Digital makes no representations or warranties with respect to the contents hereof and specifically disclaims any implied warranties of merchantability or fitness for a particular purpose. See Warranty Information and Terms & Conditions on www.predig.com for complete details.
• Read complete instructions prior to installation and operation of the controller.
• Risk of electric shock or personal injury.
• This product is not recommended for life support
applications or applications where malfunctioning could result in personal injury or property loss. Anyone using this product for such applications does so at his/her own risk. Precision Digital Corporation shall not be held liable for damages resulting from such improper use.
WARNING
Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Limited Warranty
Precision Digital Corporation warrants this product against defects in material or workmanship for the specified period under
“Specifications” from the date of shipment from the factory. Precision Digital’s liability under this
limited warranty shall not exceed the purchase value, repair, or replacement of the defective unit. See Warranty Information and Terms & Conditions on www.predig.com for complete details.
Registered Trademarks
All trademarks mentioned in this document are the property of their respective owners.
© 2021 Precision Digital Corporation. All rights reserved.
FREE MeterView Pro Programming Software
The controller can be powered from the USB connection. When using the USB connection, DO NOT apply AC or DC power to the controller.
The easiest and quickest way to program your Helios batch controller is to use the FREE MeterView Pro programming software. This software is loaded into the controller and connects and installs directly to your PC with a USB cable. We recommend that the first thing you do after taking the controller out of the box is connect the Helios to your PC with the provided USB cable – do not use a different cable. DO NOT apply AC or DC power to the controller while your PC is connected to the controller as it will disrupt the USB
connection. You don’t even have to apply an input
signal. MeterView Pro programming software is intuitive, and
most customers can get their controller programmed as they like without even looking in the manual.
Watch MeterView Pro Software Video at
www.predig.com/meterviewpro
In addition to programming, the software may be used to perform many useful tasks:
• Start, Pause, Stop the batch
• Change preset & pre-close settings
• Reset total & grand total
• Test the relays functionality
• Monitor the batch process
• Datalogging using your PC
• Generate & save program files for later use
Once your controller is programmed the way you want it, you can wire it up for your application per the instructions in this manual and install it. If you find that you need to make adjustments to the programming after the controller is installed, you can use the programming buttons and the instructions in this manual to do so.
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Table of Contents
Introduction .......................................................................................................... 6
Ordering Information ........................................................................................... 6
Specifications....................................................................................................... 9
General ............................................................................................................. 9
Batch Controller Rate/Totalizer Display ...................................................... 10
Process Input ................................................................................................. 11
Relays ............................................................................................................. 11
USB Connection ............................................................................................ 11
Isolated 4-20 mA Transmitter Output .......................................................... 12
RS-485 Serial Communications ................................................................... 12
Modbus® RTU Serial Communications ........................................................ 12
Digital Input (F4) ............................................................................................ 12
Digital Inputs & Outputs ............................................................................... 12
MeterView Pro Software ................................................................................ 12
Compliance Information .................................................................................... 13
Safety .............................................................................................................. 13
Safety Information ............................................................................................. 13
Installation .......................................................................................................... 13
Unpacking ...................................................................................................... 13
Wall Mounting Instructions .......................................................................... 14
Mounting Dimensions .................................................................................. 14
Conduit Holes Location ............................................................................... 14
Pipe Mounting Instructions .......................................................................... 15
Installation Overview ..................................................................................... 16
MeterView Pro Software ................................................................................ 16
MeterView Pro Installation........................................................................... 16
Transmitter Supply Voltage Selection (P+, P-) ........................................... 17
Connections ................................................................................................... 18
Connectors Labeling ................................................................................... 18
Power Connections ..................................................................................... 19
Signal Connections ..................................................................................... 19
Relay Connections ...................................................................................... 19
Switching Inductive Loads ........................................................................... 20
RS-485 Connections ................................................................................... 20
RS-485 Multi-Drop Connection ................................................................... 20
RS-485 Serial Converters ........................................................................... 20
Digital I/O Connections................................................................................ 21
F4 Digital Input Connections ....................................................................... 22
4-20 mA Output Connections ...................................................................... 22
Analog Output Transmitter Power Supply ................................................... 22
Remote Operation of Controller .................................................................. 22
Interlock Relay Feature ............................................................................... 22
Setup and Programming ................................................................................... 23
Overview ......................................................................................................... 23
LED Status Indicators ................................................................................... 23
Programming Buttons ................................................................................... 24
Display Functions and Messages ................................................................ 25
Main Menu ...................................................................................................... 27
Setting Numeric Values ................................................................................ 27
Setting Up the Batch Controller (setup) ...................................................... 27
Setting the Input Signal (Input) .................................................................. 28
Setting the Totalizer & Batch Control Features (total).............................. 28
Setting the Input Units or Custom Tags (units) ......................................... 28
Setting the Decimal Point (dEc pt)............................................................. 29
Programming the Batch Controller (prog)................................................... 29
Setting the Display Parameter & Intensity (dsplay) ................................... 32
Display Intensity (d-Inty) ........................................................................... 32
Setting the Relay Operation (relay) ............................................................ 33
Relay Assignment (Assign) ........................................................................ 34
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Setting the Relay Action .............................................................................. 35
Setting Batch Control Relays ...................................................................... 35
Programming Alarm Set and Reset Points.................................................. 35
Setting Fail-Safe Operation ......................................................................... 35
Programming Time Delay............................................................................ 35
Relay Action for Loss of 4-20 mA Input (Loop Break) ................................. 35
Automatic Batch Control Operation ............................................................. 36
Relay and Alarm Operation Diagrams ......................................................... 37
High Alarm Operation (Set > Reset)................................................................ 37
Low Alarm Operation (Set < Reset) ............................................................ 37
High Alarm with Fail-Safe Operation (Set > Reset) ..................................... 37
Low Alarm with Fail-Safe Operation (Set < Reset) ..................................... 37
Time Delay Operation ................................................................................. 38
Total Relay Sampling Operation ................................................................. 38
Relay Operation Details ................................................................................ 39
Overview ..................................................................................................... 39
Relays Initialization...................................................................................... 39
Fail-Safe Operation ..................................................................................... 39
Front Panel LEDs ........................................................................................ 39
Automatic Reset (Auto)............................................................................... 39
Pump Alternation Control ............................................................................ 39
Sample Relay Operation ............................................................................. 40
Setting Up the Interlock Relay (Force On) Feature ..................................... 40
Scaling the 4-20 mA Analog Output (Aout)................................................. 41
Reset Menu (reset) ....................................................................................... 41
Manual Control Menu (Contrl) ..................................................................... 41
Setting Up the Password (pass) ................................................................... 42
Protecting or Locking the Controller ............................................................ 42
Grand Total Reset Password & Non-Resettable Total ................................ 42
Making Changes to a Password Protected Controller................................. 42
Disabling Password Protection.................................................................... 42
Controller Operation .......................................................................................... 43
Default Batch Control Operation .................................................................. 43
Batch Control Operation Example ............................................................... 43
Manual Batch Control ................................................................................... 44
Manual Batch Control Operation ................................................................. 44
Automatic Batch Control .............................................................................. 45
Setup for Automatic Batch Control .............................................................. 45
Automatic Batch Control Operation ............................................................. 46
Setup with MeterView Pro ............................................................................. 47
Operate with MeterView Pro ......................................................................... 47
Advanced Setup & Programming ..................................................................... 48
Advanced Features Menu ............................................................................. 48
Advanced Features Menu & Display Messages.......................................... 48
Function Keys Operation ............................................................................. 49
Digital Inputs Operation ............................................................................... 49
Advanced Setup and Calibration ................................................................. 50
Maximum/Minimum Readings ..................................................................... 50
Noise Filter (filter) ................................................................................... 50
Noise Filter Bypass (bypass) ...................................................................... 50
Rounding Feature (round) .......................................................................... 50
Modbus RTU Serial Communications (serial) .......................................... 50
Select Menu (SElEct) ................................................................................. 51
Programmable Function Keys User Menu (user) ....................................... 53
Internal Source Calibration (ICAL) .............................................................. 54
Troubleshooting................................................................................................. 55
Diagnostics Menu (diag) ............................................................................ 55
Testing the Display LEDs ............................................................................ 55
Determining Software Version..................................................................... 55
Reset Controller to Factory Defaults ........................................................... 55
Factory Defaults & User Settings ................................................................ 56
Troubleshooting Tips .................................................................................... 58
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Table of Figures
Figure 1. Controller Mounting Holes Location ................................................ 14
Figure 2. Controller Mounting Holes Dimensions .......................................... 14
Figure 3. Controller Dimensions – Side View.................................................. 14
Figure 4. Controller Dimensions - Front View ................................................. 14
Figure 5. Conduit Holes Location – Bottom View ........................................... 14
Figure 6. Vertical Pipe Mount Assembly.......................................................... 15
Figure 7. Horizontal Pipe Mount Assembly ..................................................... 15
Figure 8. Transmitter Supply Voltage Selection ............................................. 17
Figure 9. PD2-6210-6H2 / 7H2 Connectors Label ............................................ 18
Figure 10. PD2-6210-6H7 / 7H7 Connectors Label .......................................... 18
Figure 11. Power Connections ......................................................................... 19
Figure 12. Transmitter Powered by Internal Supply ....................................... 19
Figure 13. Transmitter Powered by Ext. Supply or Self-Powered ................. 19
Figure 14. Voltage Input Connections ............................................................. 19
Figure 15. Relay Connections........................................................................... 19
Figure 16. AC and DC Loads Protection .......................................................... 20
Figure 17. Low Voltage DC Loads Protection ................................................. 20
Figure 18. RS-485 Connection .......................................................................... 20
Figure 19. Five-Wire RS-485 Connections ....................................................... 21
Figure 20. Three-Wire RS-485 Multi-Drop Connections ................................. 21
Figure 21. Connections for RS-485 Connector to Serial Converter .............. 21
Figure 22. Three-Wire RS-485 Connection ...................................................... 21
Figure 23. Digital Input and Output Connections ........................................... 21
Figure 24. F4 Digital Input Connections .......................................................... 22
Figure 25. 4-20 mA Output Connections ......................................................... 22
Figure 26. Analog Output Supply Powering Other Devices........................... 22
Figure 27. Controller to PDA2364-MSBS Control Station Connection ......... 22
Figure 28. Interlock Connection ....................................................................... 22
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Introduction

The Helios PD2-6210 is a multi-purpose, easy to use, large-display batch controller ideal for simplifying independent batch control operations where local control is preferred to expensive and expansive plant operation systems. It features large 1.8 inch superluminous LED digits, which can be read in sunlight from up to 100 feet away. It is housed in a water-resistant, field mountable NEMA 4X/IP65 rated enclosure for convenient indoor and outdoor installation.
The batch operation buttons are located behind the lower panel door and are not generally accessible during operation. For that reason, we recommend the use of the PDA2364-MSBS remote control station which has four buttons to mimic the buttons behind the panel.
The controller comes programmed for easy start, pause, stop, and batch size (preset) changes. Display line two (2) can be programmed to display rate, grand total, batch count, or preset by cycling the Stop (F3) button. Digital inputs come standard.
Single and multi-stage batching is possible with up to four (4) on-board relays. Each batch control relay may have a unique preclose amount when used for multi-stage batching. Manual start batching is default, but automatic batching with a restart after a programmed time delay from the completion of the last batch is also possible.
Overrun correction adjusts the closing of the batch control relays to adjust for inaccuracies from batch to batch. This increases accuracy over time as systems wear out. The overrun correction feature is capable of compensating for inaccuracies of up to 10% of the programmed preset value.
The controller accepts current and voltage signals (e.g. 4-20 mA, 0-10 V). Three of the programming buttons can be set for custom operation. A fully loaded PD2-6210 batch controller comes with four SPDT relays, a 4 20 mA output, two 24 VDC power supplies, five digital inputs and four digital outputs, and RS-485 serial communications, making it an excellent addition to any system.

Ordering Information

85-265 VAC Models
Model
Standard Features
Options Installed
PD2-6210-6H2
5 Digital Inputs, 4 Digital Outputs, RS-485 Communications
2 relays
PD2-6210-6H7
4 relays 4-20 mA output
12-24 VDC Models
Model
Standard Features
Options Installed
PD2-6210-7H2
5 Digital Inputs, 4 Digital Outputs, RS-485 Communications
2 relays
PD2-6210-7H7
4 relays 4-20 mA output
Accessories
Model
Description
PDA0004
Cable Gland
PDA7485-I
RS-232 to RS-485 isolated converter
PDA8485-I
USB to RS-485 isolated converter
PDAPLUG2
Plastic Conduit Plug
PDX6901
Snubber: 0.01 μF/470 Ω, 250 VAC
PDA2364 Control Station
Model
Description
PDA2364-MSBS
Menu, Start, Batch, and Stop Buttons
Note: Control stations can be connected directly to the Helios controller’s on-board digital inputs. See Remote Operation of Controller on page 22 for details.
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Light / Horn Accessories
Helios Controller Shown with MOD-PD2LHRB1 Red Light / Horn and Button. Controller Sold Separately.
Model
Description
MOD-PD2LHRB1
Red Light / Horn and Button Mounted and Wired to Helios
(1)
MOD-PD2LHGB1
Green Light / Horn and Button Mounted and Wired to Helios
(1)
MOD-PD2LHYB1
Yellow Light / Horn and Button Mounted and Wired to Helios
(1)
MOD-PD2LHBB1
Blue Light / Horn and Button Mounted and Wired to Helios
(1)
MOD-PD2LHWB1
White Light / Horn and Button Mounted and Wired to Helios
(1)
MOD-PD2LH5CB1
Light / Horn with User Choice of Red, Green, Yellow, Blue or White Light, Button, Mounted and Wired to Helios
(1)
MOD­PD2LH3CB1-RYG
Light / Horn with Red, Yellow, Green Light Layers, Button, Mounted and Wired to Helios
(1)
Note:
1. Specify MOD-PD2LH model as a separate item on the order for the Helios to order the Light / Horn & Button accessory installed and wired. Controller is sold separately.
9 labels are provided for the button.
Pipe Mounting Kit
Helios Controller Shown mounted to pipe using PDA6260 pipe mounting kit. See Pipe Mounting Instructions on page 15 for details.
Model
Description
PDA6260
2" Pipe Mounting Kit for PD2
Signal Splitter & Conditioner Accessories
Model
Description
PD659-1MA-1MA
Signal Isolator with One 4-20 mA Input and One 4-20 mA Output
PD659-1MA-2MA
Signal Splitter with One 4-20 mA Input and Two 4-20 mA Outputs
PD659-1V-1MA
Signal Conditioner with One 0-10 VDC Input and One 4-20 mA Output
PD659-1MA-1V
Signal Conditioner with One 4-20 mA Input and One 0-10 VDC Output
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Useful Tools
PD9501 Multi-Function Calibrator
This PD9501 Multi-Function Calibrator has a variety of signal measurement and output functions, including voltage, current, thermocouple, and RTD.
PD9502 Low-Cost Signal Generator
The PD9502 is a low-cost, compact, simple to use 4-20 mA or 0-10 VDC signal generator. It can easily be set for 0-20 mA, 4-20 mA, 0-10 V or 2-10 V ranges. Signal adjustment is made with a one-turn knob. A 15-27 VDC wall plug is provided with the instrument. Optional USB power bank is available.
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Specifications

Except where noted all specifications apply to operation at +25°C.

General

Display
Dual-line: 1.8" (46 mm) high, red LEDs 6 digits per line (-99999 to 999999), with
lead zero blanking
Display Intensity
Eight user selectable intensity levels. Default is six.
Display Update Rate
5/second (200 ms)
LED Status Indicators
See LED Status Indicators on page 23 for details.
Overrange
Display flashes 999999
Underrange
Display flashes -99999
Default Display Assignment
Line 1 displays batch total. Line 2 displays batch preset, and can be switched to show grand total, or batch count with the STOP key.
Custom Display Assignment
Display lines 1 and 2 may be assigned to rate, total, grand total, batch count, preset, set points, units (lower display only), alternating R & T, R & GT, preset & rate, max & min, or a Modbus display register. Any rate/total/grand total display may be programmed to alternate with a custom unit or tag.
Alternating Display
Displays alternate every 10 seconds when display is selected, or the batch is paused.
Programming Methods
Four programming buttons, digital inputs, PC and MeterView Pro software, or Modbus registers.
Noise Filter
Programmable from 2 to 199 (0 will disable filter)
Filter Bypass
Programmable from 0.1 to 99.9% of calibrated span
Recalibration
All ranges are calibrated at the factory. Recalibration is recommended at least every 12 months.
Max/Min Display
Max/min readings reached by the process are stored until reset by the user or until power to the controller is cycled.
Rounding
Select 1, 2, 5, 10, 20, 50, or 100 (e.g. rounding = 10, value = 123.45,
display = 123.50).
Password
Three programmable passwords restrict modification of programmed settings and two prevent resetting the totals. Pass 1: Allows use of function keys and digital inputs Pass 2: Allows use of function keys, digital inputs and editing set/reset points Pass 3: Restricts all programming, function keys, and digital inputs. Total Password: Prevents resetting the total manually
Gtotal Password: Prevents resetting the grand total manually
Non-Volatile Memory
All programmed settings are stored in non­volatile memory for a minimum of ten years if power is lost.
Power Options
85-265 VAC 50/60 Hz; 90-265 VDC, 20 W max; 12-24 VDC, 12-24 VAC, 15 W max. Powered over USB for configuration only.
Fuse
Required external fuse: UL Recognized, 5 A max, slow blow; up to 6 controllers may share one 5 A fuse
Normal Mode Rejection
Greater than 60 dB at 50/60 Hz
Isolation
4 kV input/output-to-power line 500 V input-to-output or output-to-P+ supply
Overvoltage Category
Installation Overvoltage Category II: Local level with smaller transient overvoltages than Installation Overvoltage Category III.
Environmental
Operating temperature range:
-40 to 65°C (-40 to 149°F)
Storage temperature range:
-40 to 85°C (-40 to 185°F)
Relative humidity:
0 to 90% non-condensing
Note: Printed circuit boards are conformally coated.
Connections
Power, signal, relays, mA out: Removable screw terminal blocks accept 12 to 22 AWG wire.
RS-485: Removable screw terminal block accepts 16 to 30 AWG wire.
Digital I/O: Non-removable screw terminal blocks accept 16 to 30 AWG wire.
Enclosure
UL Type 4X, IP65 rated. Polycarbonate & glass blended plastic case, color: gray. Includes four PG11 through-hole conduit openings, with two factory installed PG11, IP68, black nylon threaded hole plugs with backing nuts.
Mounting
Wall Mounting: Four (4) mounting holes provided for mounting controller to wall. See Wall Mounting Instructions on page 14 for additional details.
Pipe Mounting: Optional pipe mounting kit (PDA6260) allows for pipe mounting. Sold separately. See Pipe Mounting Instructions on page 15 for additional details.
Tightening Torque
Power, signal, relays, mA out terminals: 5 lb-in (0.56 Nm)
Digital I/O and RS-485:
2.2 lb-in (0.25 Nm)
Overall Dimensions
10.63" x 12.59" x 4.77" (270 mm x 319.7 mm x 121.2 mm) (W x H x D)
Weight
6.10 lbs (2.76 kg)
Warranty
3 years parts & labor. See Warranty Information and Terms & Conditions on
www.predig.com for complete details.
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Batch Controller Rate/Totalizer Display

Rate Display Indication
-99999 to 999999, lead zero blanking. “R” LED illuminates while displaying rate.
Batch Total & Grand Total Display
0 to 999,999; automatic lead zero blanking. “T” LED is illuminated while displaying batch total. “GT” LEDs are illuminated while displaying grand total. Up to 999,999 for batch total/preset. Up to 999,999,999 with grand total-overflow feature. “oF” is displayed to the left of grand total overflow and ▲ LED is illuminated.
Batch Total Decimal Point
Up to five decimal places or none: d.ddddd, d.dddd, d.ddd, d.dd, d.d, or dddddd Total decimal point is independent of rate decimal point.
Totalizer
Calculates total based on rate and field programmable multiplier to display total in engineering units. Time base must be selected according to the time units in which the rate is displayed.
Time Base
Second, minute, hour, or day
Batch Control Mode
Automatic or manual batch control
Manual Batch
The operator must press the START button every time a new batch is started. Press STOP to pause the batch and either press START to resume or STOP to stop the incomplete batch.
Automatic Batch
Once the START button is pressed, the batches will run automatically until the STOP button is pressed twice. The time delay between batches is entered during the setup.
Batch Time Delay
Programmable up to 999.9 seconds This is the time delay between batches for automatic batch control. Allow sufficient time to put in place an empty container.
Batch Preset
The F2 key is assigned to the preset. The preset value is the total volume to be
batched in each cycle.
Batch Pre-Close
The pre-close value is equal to the volume amount before reaching the preset value (batch size).
Single or Multi-Stage
Single Stage: Only relay 1 is used Multi-Stage: Two or more relays are used to control the batch with more precision; this is done using multiple presets or using the pre-close feature.
Multiple Presets
Each relay de-energizes at its own preset value.
Remote Operation
Start / Stop / Batch Size buttons may be operated remotely using the
PDA2364-MSBS control station
Start
The F1 key is assigned to START batch. Press START to start a new batch in manual mode or a set of batches in automatic mode.
Pause / Stop
The F3 key is assigned to PAUSE / STOP. Press F3 once to pause and press it again to stop the batch process.
Automatic Overrun Correction
Adjusts the closing of the batch control relays to compensate for inaccuracies from batch to batch. The overrun correction feature is capable of compensating for inaccuracies of up to 1% of the programmed preset value. To achieve an accurate batch, the flow rate must be slowed down, such that the total most-right digit increments at a rate of less than 10 counts/second. The use of a dual­stage batch control is recommended.
Count Up or Count Down
Batch total and grand total can set to count up or count down, independently.
Start / Stop Batch
The F4 digital input is assigned to start & stop the batch, it is located on the input signal connector. An external push-button can be connected between terminal F4 and COM. Press the button once to start the batch and press it again to stop the batch.
High or Low Flow Alarm
The user may program any alarm for high or low trip point. The alarm detection is active only while the batch is running. Unused alarm LEDs and relays may be disabled (turned off).
Grand Totalizer Rollover
Grand totalizer rolls over when display exceeds 999,999,999. Relay status reflects display.
Grand Total Overflow
The grand total can display up to 999,999,999 using the overflow feature. After the value exceeds 999,999 a 3-digit
value with the prefix “oF” toggles every 10
seconds. The overflow feature can be disabled by setting a grand total alarm that automatically resets the grand total when 999,999 is reached.
Grand Total Alarms
Up to three, user selectable under setup menu. Any set point can be assigned to grand total and may be programmed anywhere in the range of the controller for grand total alarm indication. Relay 1 should always be assigned to batch.
Programmable Delay on Release
0.1 and 999.9 seconds; applied to the first relay assigned to total or grand total. If the controller is programmed to reset total to zero automatically when the preset is reached, then a delay will occur before the total is reset.
Grand Total Reset
Via front panel button, external contact closure on digital inputs, automatically via user selectable preset value and time delay, or through serial communications.
Grand Total Reset Password
Grand total passwords may be entered to prevent resetting the grand total from the front panel.
Non­Resettable Grand Total
The grand total can be programmed as a non-resettable total by entering the password “050873”.
• Once the Grand Total has been
programmed as “non-resettable” the feature
CANNOT be disabled.
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Process Input

Inputs
Field selectable: 0-20, 4-20 mA 10 V (0-5, 1-5, 0-10 V) Modbus PV (Slave)
Isolated Transmitter Power Supply
Terminals P+ & P-: 24 VDC 10%. All models selectable for 24, 10, or 5 VDC
supply (Switch labeled P+/P-). 85-265 VAC models rated @ 200 mA max, 12-24 VDC powered models rated @ 100 mA max. 5 & 10 VDC supply rated @ 50 mA max. Refer to Figure 8. Transmitter Supply Voltage
Selection on page 17 and Figure 25. 4-20 mA Output Connections on page 22.
When the Light / Horn is powered by the transmitter power supply, see MOD-PD2LH Light / Horn's transmitter power supply specification in MOD-PD2LH manual for additional details. Light / Horn power not available for 5 or 10 VDC supplies.
Accuracy
±0.03% of calibrated span ±1 count, square root & programmable exponent accuracy range: 10-100% of calibrated span
Temperature Drift
0.005% of calibrated span/C max from 0 to 65C ambient, 0.01% of calibrated span/C max from -40 to 0C ambient
Input Signal Conditioning
Linear, square root, or programmable exponent
Multi-Point Linearization
2 to 32 points
Programmable Exponent
User selectable from 1.0001 to 2.9999 for open channel flow
Low-Flow Cutoff
0.1 to 999,999 (0 disables cutoff function). Point below at which the display always shows zero.
Decimal Point
Up to five decimal places or none: d.ddddd, d.dddd, d.ddd, d.dd, d.d, or dddddd
Calibration Range
Input Range
Minimum Span Input 1 & Input 2
4-20 mA
0.15 mA
10 V
0.10 V
An error message will appear if the input 1 and input 2 signals are too close together.
Input Impedance
Voltage ranges: greater than 500 k Current ranges: 50 - 100 (depending on resettable fuse impedance)
Input Overload
Current input protected by resettable fuse, 30 VDC max. Fuse resets automatically after fault is removed.
HART Transparency
The controller does not interfere with existing HART communications; it displays the 4-20 mA primary variable and it allows the HART communications to pass through without interruption. The controller is not affected if a HART communicator is connected to the loop. The controller does not display secondary HART variables.

Relays

Rating
2 or 4 SPDT (Form C) internal rated 3 A @ 30 VDC and 125/250 VAC resistive load; 1/14 HP (≈ 50 W) @ 125/250 VAC for inductive loads
Noise Suppression
Noise suppression is recommended for each relay contact switching inductive loads; see Switching Inductive Loads on page 20 for details.
Relay Assignment
Relays may be assigned to batch control total, sampling, rate, or grand total alarms.
Pre-Close
0-100% of batch size, individually user programmable for each additional batch control relay beyond the first.
Alarm Deadband
0-100% of span, user programmable
High or Low Flow Alarm
User may program any alarm for high or low trip point. The alarm detection is active only while the batch is running. Unused alarm LEDs and relays may be disabled (turn off).
Relay Operation
• Manual or automatic batch control
• Automatic (non-latching)1 and/or manual
alarm reset (acknowledge)
• Latching (requires manual acknowledge) with or without clear
• Pump alternation control (N/A to batch)
• Sampling (based on set point and time)
• Off (disable unused relays and enable
Interlock feature)
• Manual on/off control mode
Relay Reset (Acknowledge)
User selectable via programming buttons, F4 digital input, external contact closure on digital inputs, automatically via user selectable preset value and time delay, or through serial communications.
Alarm Time Delay
0 to 999.9 seconds, on & off relay time delays. Programmable and independent for each relay.
Fail-Safe Operation
Programmable and independent for each relay.
Note: Relay coil is energized in non-alarm condition. In case of power failure, relay will go to alarm state.
Alarm Auto Initialization
When power is applied to the controller, relays will reflect the state of the input to the controller.1
1. Alarms are active only when the batch is running.

USB Connection

Function
Programming only
Compatibility
USB 2.0 Standard, Compliant
Connector Type
Type B receptacle
Cable
USB Type A-B cable
Driver
Microsoft® Windows® XP/Vista/7/8/10
Power
USB port provides power to the controller for configuration only.
DO NOT apply AC or DC power to the controller while the USB port is in use.
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Isolated 4-20 mA Transmitter Output

Output Source
Rate/process, total, grand total, max, min, set points 1-4, Modbus register, or manual control mode
Scaling Range
1.000 to 23.000 mA for any display range.
Calibration
Factory calibrated:
4.000 to 20.000 = 4-20 mA output
Analog Out Programming
23.000 mA maximum for all parameters: Overrange, underrange, max, min, and break
Accuracy
± 0.1% FS ± 0.004 mA
Temperature Drift
0.4 µA/C max from 0 to 65C ambient,
0.8 µA/C max from -40 to 0C ambient
Note: Analog output drift is separate from input drift.
Isolated Transmitter Power Supply
Terminals I+ & R: 24 VDC 10%. May be used to power the 4-20 mA output or other devices.
All models rated @ 40 mA max.
External Loop Power Supply
35 VDC maximum
Output Loop Resistance
Power supply
Minimum
Maximum
24 VDC
10
700
35 VDC (external)
100
1200
Additional 4-20 mA Outputs
The PD659-1MA-2MA can split the optional 4-20 mA output into two isolated 4-20 mA outputs
0-10 VDC Output
The PD659-1MA-1V can convert the optional 4-20 mA output to a 0-10 VDC output

RS-485 Serial Communications

Compatibility
EIA-485
Connectors
Removable screw terminal connector
Max Distance
3,937' (1,200 m) max
Status Indication
Separate LEDs for Power (P), Transmit (TX), and Receive (RX)

Modbus® RTU Serial Communications

Slave Id
1 – 247 (Controller address)
Baud Rate
300 – 19,200 bps
Transmit Time Delay
Programmable between 0 and 199 ms
Data
8 bit (1 start bit, 1 or 2 stop bits)
Parity
Even, Odd, or None with 1 or 2 stop bits
Byte-To-Byte Timeout
0.01 – 2.54 second
Turn Around Delay
Less than 2 ms (fixed)
Note: Refer to the Helios Modbus Register Tables located at www.predig.com for details.

Digital Input (F4)

Function
Start/Stop batch, remote operation of front­panel buttons, acknowledge/reset relays, reset max/min values. See Function Keys & Digital I/O Available Settings on page 53 for a complete list of capabilities.
Contacts
3.3 VDC on contact. Connect normally open contacts across F4 to COM
Logic Levels
Logic High: 3 to 5 VDC Logic Low: 0 to 1.25 VDC

Digital Inputs & Outputs

Function
Terminals provided for remote operation of all four programming / operation buttons (use PDA2364-MSBS control station). Other uses include acknowledge/reset relays and reset max/min values. See
Function Keys & Digital I/O Available Settings on page 53 for a complete list of
capabilities.
Channels
4 digital inputs & 4 digital outputs
Digital Input Logic High
3 to 5 VDC
Digital Input Logic Low
0 to 1.25 VDC
Digital Output Logic High
3.1 to 3.3 VDC
Digital Output Logic Low
0 to 0.4 VDC
Source Current
10 mA maximum output current
Sink Current
1.5 mA minimum input current
+5 V Terminal
To be used as pull-up for digital inputs only. Connect normally open push buttons across +5 V & DI 1-4.
• DO NOT use +5 V terminal to power external devices.

MeterView Pro Software

Availability
Download directly from controller or from
www.predig.com/download_software
System Requirements
Microsoft® Windows® XP/Vista/7/8/10
Communications
USB 2.0 (for programming only) (Standard USB A to USB Type B)
RS-485 to USB converter (programming, monitoring, batch control, and data logging)
Configuration
Configure controllers one at a time
Power
USB port provides power to the controller for configuration only.
DO NOT apply AC or DC power to the controller while the USB port is in use.
Batch Control
Use MeterView Pro to control the batch, change the preset, reset totals, and test the relays.
Data Logging
Use MeterView Pro for data logging of the batch process.
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Compliance Information

Safety

UL & C-UL Listed
USA & Canada UL 508 Industrial Control Equipment (USA)
C22.2 No. 142 (Canadian National Standard)
UL File Number
E160849
Enclosure
UL Type 4X, NEMA 4X, IP65
Low Voltage Directive
EN 61010-1 Safety requirements for measurement, control, and laboratory use

Safety Information

• Read complete instructions prior to installation and operation of the controller.
• Risk of electric shock or personal injury.
• Hazardous voltages exist within enclosure.
Installation and service should be performed only by trained service personnel.

Installation

There is no need to open the clear plastic front cover in order to complete the installation, wiring, and setup of the meter. All programming is done using MeterView Pro software or through the buttons and switches located under the lower door panel and are accessible by removing the single securing screw. Wires should be run through the knockout holes located on the bottom of the meter, see Figure 5. Conduit Holes Location – Bottom View on page 14 for details.
There are a total of four pre-drilled conduit entry holes located at the bottom of the controller. If the need to drill additional holes arises, make sure you will have the clearance necessary for conduit mounting hardware.
Do not disconnect the RJ45 connector found on the right side of the controller wiring board. Doing so will disable the on-board digital I/O, RS-485 serial communications, and M-Link functionality.
Instructions are provided for changing the transmitter power supply to output 5 or 10 VDC instead of 24 VDC, see Figure 8. Transmitter Supply Voltage Selection on page 17.

Unpacking

Remove the controller from box. Inspect the packaging and contents for damage. Report damages, if any, to the carrier.
If any part is missing or the controller malfunctions, please contact your supplier or the factory for assistance.
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Wall Mounting Instructions

The controller can be mounted to any wall using the four provided mounting holes. Note that the bottom mounting holes are located underneath the lower door panel. To mount the controller to a wall, follow these instructions
• Prepare a section of wall approximately 11" x 13" (280 mm x 330 mm) for controller mounting by marking with a pencil the mounting holes (shown in Figure 1) on the wall.
• Select the appropriate mounting screws for the mounting surface to be used. The mounting holes diameter is shown on Figure 2.
Note: Mounting screws are not included.
• Using a drill bit slightly smaller than the girth of the mounting screws, pre-drill holes at the mounting locations previously marked.
• Insert mounting screws into the four mounting holes and screw them into the pre-drilled holes. DO NOT overtighten the mounting screws as it is possible that the enclosure could crack and become damaged.
Figure 1. Controller Mounting Holes Location
Figure 2. Controller Mounting Holes Dimensions

Mounting Dimensions

Figure 3. Controller Dimensions – Side View
Figure 4. Controller Dimensions - Front View

Conduit Holes Location

Figure 5. Conduit Holes Location – Bottom View
Mounting Hole
Mounting Hole
Mounting Hole
Mounting Hole
Lower Door Panel
10.43" (265 mm)
9.8" (249 mm)
11.14" (283 mm)
Dia. 0.2" (5.5 mm)
Dia. 0.2" (5.5 mm)
2.63" (67 mm)
4.77"
(121.2 mm)
10.63" (270 mm)
12.59" (319.7 mm)
Mounting HoleMounting Hole
Lower Door Panel
Plugged
Holes
Unplugged
Holes
1.1"
(27.9 mm)
1.99"
(50.5 mm)
0.9"
(23 mm)
Ø0.74" (18.9 mm)
Drill or Punch-Out Holes
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Pipe Mounting Instructions

The controller can also be mounted to a pipe using the optional pipe mounting kit (PDA6260). This kit includes two mounting plates, two U-bolts, and the necessary nuts and bolts. To mount the controller to a pipe using the pipe mounting kit accessory, follow these instructions.
• Secure the mounting plates to the top and bottom (for vertical pipes) or left and right (for horizontal pipes) of the reverse side of the controller enclosure using the provided fasteners. DO NOT overtighten the fasteners as it could cause damage to the enclosure.
• Using the provided nuts and U-bolts, secure the mounting plates to the pipe applying enough torque such that the controller cannot be moved up or down (or side to side).
Figure 6. Vertical Pipe Mount Assembly
Figure 7. Horizontal Pipe Mount Assembly
Mounting Plate
U-Bolt
Pipe
U-Bolt
Back of Meter
Mounting Plate
Mounting
Plate
Mounting
Plate
Pipe
Back of
Meter
U-BoltU-Bolt
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Installation Overview

We recommend the following sequence for getting the controller into service:
1. DO NOT apply AC or DC power to the controller.
2. Connect the controller to the PC with the USB cable provided. DO NOT use a different USB cable.
3. If MeterView Pro (MVPro) is already installed in your computer, then the program will launch automatically in most systems. If the program does not start automatically, double-click on the MVPro icon.
4. If MVPro is not installed, follow the instructions provided below.
5. Use MVPro to configure the controller for your application.
6. Disconnect the USB cable from the controller.
7. Apply power and signal and check operation of the controller.
8. Install the controller and put into service.
9. Make any programming adjustments using the programming buttons.

MeterView Pro Software

The easiest and quickest way to program your Helios controller is to use the FREE MeterView Pro programming software. This software is loaded into the controller and connects and installs directly to your PC with the USB cable provided. DO NOT use a different USB cable. We recommend that the first thing you do after taking the controller out of the box is connect the Helios to your PC with the provided USB cable. DO NOT apply AC or DC power to the controller while your PC is connected to the controller as it will disrupt the USB connection. It is not necessary to apply an input signal.
MeterView Pro programming software is intuitive, and most customers can get their controller programmed as they like without even looking in the manual.
Watch Meterview Pro Software Video at
www.predig.com/meterviewpro

MeterView Pro Installation

1. Connect one end of the provided USB cable
to the controller and the other end to the computer. The computer will automatically install the driver software it needs to talk to the controller. Follow the on-screen instructions and allow sufficient time for the process to complete. This can take a few minutes. If the process is interrupted, then it could leave the system in an unstable condition.
• Only one controller may be connected at a time. Attaching multiple controllers will cause a conflict with the controller software.
• DO NOT apply AC or DC power to the controller when using the USB connection.
2. Once the driver is installed, an AutoPlay dialog should appear for the drive
“MAINSTAL.” Click “Open folder to view
files.”
If the computer does not display an AutoPlay
dialog for the drive “MAINSTAL,” you should
open My Computer and double-click on the drive labeled “MAINSTAL.”
3. Double-click on the file named “MAStart.” The program will open a few windows and install two programs on your computer. Simply follow the on-screen instructions until you see one of the dialogs below. If you
receive a “User Account Control” warning,
click “Yes.”
4. If there is an update available, click the
“Update” button to install the new version. Otherwise, click “Configure” to begin
programming your controller.
Note: If you decide to update your MeterView Pro software, once the installation has completed, you will be asked if you want to update the setup files located on the controller itself. This way, you will always have the most current version on the controller for future installs.
• DO NOT unplug the controller while the new
installation files are being written to it. The controller will display uwrite during the process and you will receive an on-screen notification once the process is complete.
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Transmitter Supply Voltage Selection (P+, P-)

All controllers, including models equipped with the 12-24 VDC power option, are shipped from the factory configured to provide 24 VDC power for the transmitter or sensor.
If the transmitter requires 5 or 10 VDC excitation, the switch labeled P+/P- must be configured accordingly.
To access the voltage selection switch:
1. Turn off the power to the controller.
2. Unscrew and open the lower door panel.
3. Locate the P+/P- switch located in the center of the connections board (see diagram below).
4. Flip this switch into the appropriate position for the required transmitter excitation.
Figure 8. Transmitter Supply Voltage Selection
P+/P-
24V 10V 5V
MENU RIGHT UP ACK
MENU
START
F1
BATCH
F2
STOP
F3
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Connections

All connections are made to screw terminal connectors located under the lower door panel. Remove the single securing screw in order to access the wiring terminals.
• Use copper wire with 60°C or 60/75°C insulation for all line voltage connections. Observe all safety regulations. Electrical wiring should be performed in accordance with all applicable national, state, and local codes to prevent damage to the controller and ensure personnel safety.

Connectors Labeling

The connectors’ label, affixed to the inside of the lower door panel, shows the location of all connectors available with the ordered configuration.
• DO NOT connect any equipment to the RJ45 M-LINK connector. Otherwise damage will occur to the
equipment and the controller.
• DO NOT disconnect the RJ45 connector located to the left of the power terminal block. Doing so will disable
the on-board digital I/O, and the RS-485 serial communications.
Figure 9. PD2-6210-6H2 / 7H2 Connectors Label
Figure 10. PD2-6210-6H7 / 7H7 Connectors Label
RI-I+
+
-
P- COMP+ V+ mA+
3412 5
NONC
C
21
F4
6
1 2 3 4 5 6 7 8
P+/P-
24V 10V 5V
RS-485
DIGITAL I/O
M-LINK
USB
MENU RIGHT UP ACK
POWER
PWR TX R X
DI DI
DO DO
O1 O2 O3 O4 G
I1 I2 I3 I4 +5
__ __
NONCCNONCC NONCC
MA OUT
21 3
43 6521
RELAY4RELAY3
43 6521
RELAY2RELAY1
SIGNAL
MENU
START
F1
BATCH
F2
STOP
F3
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Power Connections

Power connections are made to a two-terminal connector labeled POWER. The controller will operate regardless of DC polarity connection. The + and ­symbols are only a suggested wiring convention. There are separate models for low voltage and high voltage power. See Ordering Information on page 6 for details.
Figure 11. Power Connections

Signal Connections

Signal connections are made to a six-terminal connector labeled SIGNAL. The COM (common) terminal is the return for the 4-20 mA and the 10 V input signals.
Current and Voltage Connections
The following figures show examples of current and voltage connections.
There are no switches or jumpers to set up for current and voltage inputs. Setup and programming is performed through the programming buttons or MeterView Pro software.
Figure 12. Transmitter Powered by Internal Supply
Figure 13. Transmitter Powered by Ext. Supply or
Self-Powered
The current input is protected against current overload by a resettable fuse. The display may or may not show a fault condition depending on the nature of the overload.
The fuse limits the current to a safe level when it detects a fault condition, and automatically resets itself when the fault condition is removed.
Figure 14. Voltage Input Connections
The controller is capable of accepting any voltage from
-10 VDC to +10 VDC.

Relay Connections

Relay connections are made to two six-terminal connectors labeled RELAY1 – RELAY4. Each relay’s C terminal is common only to the normally open (NO) and normally closed (NC) contacts of the corresponding relay. The relays’ C terminals should not be confused with the COM (common) terminal of the INPUT SIGNAL connector.
Figure 15. Relay Connections
AC or DC
POWER
Required External Fuse:
5 A max, 250 V Slow Blow
POWER
+
-
C NONO NC NC C
RELAY4 RELAY3
4 36 5 2 1
C NONO NC NC C
RELAY2 RELAY1
4 36 5 2 1
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Switching Inductive Loads

The use of suppressors (snubbers) is strongly recommended when switching inductive loads to
prevent disrupting the microprocessor’s operation.
The suppressors also prolong the life of the relay contacts. Suppression can be obtained with resistor­capacitor (RC) networks assembled by the user or purchased as complete assemblies. Refer to the following circuits for RC network assembly and installation:
Figure 16. AC and DC Loads Protection
Choose R and C as follows: R: 0.5 to 1  for each volt across the contacts
C: 0.5 to 1 µF for each amp through closed contacts
Notes:
1. Use capacitors rated for 250 VAC.
2. RC networks may affect load release time of solenoid loads. Check to confirm proper operation.
3. Install the RC network at the controller's relay screw terminals. An RC network may also be installed across the load. Experiment for best results.
Use a diode with a reverse breakdown voltage two to three times the circuit voltage and forward current at least as large as the load current.
Figure 17. Low Voltage DC Loads Protection
RC Networks Available from Precision Digital
RC networks are available from Precision Digital and should be applied to each relay contact switching an inductive load. Part number: PDX6901.
Note: Relays are de-rated to 1/14th HP (50 watts) with an inductive load.

RS-485 Connections

The RS-485 connections are made to a five terminal connector used for Modbus® RTU serial communications. The RS-485 terminals include Transmit Data (DO) and (/DO), Receive Data (DI) and (/DI), and Signal Ground. See Modbus RTU Serial Communications (serial) on page 50 for more information.
There are three diagnostic LEDs: Power (PWR) Transmit Data (TX), and Receive Data (RX) to show when the controller is transmitting and receiving data from other devices.
Figure 18. RS-485 Connection

RS-485 Multi-Drop Connection

When using more than one controller in a multi-drop mode, each controller must be provided with its own unique address. The controller address (Slave ID) can be programmed between 1 and 247. The transmit delay can be set between 0 and 199 ms. The parity can be set to even, odd, or none with 1 or 2 stop bits.
To change the controller address:
1. Press and hold the Menu button for three seconds to access Advanced Features menu of the controller.
2. Press Up arrow until Serial (SEriaL) menu is displayed and press Enter, Addres is displayed.
3. Press Enter to change controller address using Right and Up arrow buttons. Press Enter to accept.
4. Press Menu button to exit and return to Run Mode.

RS-485 Serial Converters

To convert the RS-485 to RS-232, use the PDA7485-I converter. To convert the RS-485 to USB, use the PDA8485-I converter. See Ordering Information on page 6 for additional information.
C R
C R
RS-485
PWR TX RX
DI DI DO DO
__ __
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RS-485 Connection Examples
Figure 19. Five-Wire RS-485 Connections
Figure 20. Three-Wire RS-485 Multi-Drop
Connections
Notes:
1. Termination resistors are optional, and values depend on the cable length and characteristic impedance. Consult the cable manufacturer for recommendations.
2. Refer to RS-232 to RS-485 Converter documentation for further details.
3. Use shielded cable, twisted-pair plus ground. Connect ground shield only at one location
RS-485 Converter Connections
Figure 21 below details the wiring connections from the RS-485 connector to an RS-485 serial converter (such as the PDA7485-I or PDA8485-I) for a five-wire network.
RS-485 Connector to RS-485
Serial Converter Connections
RS-485 Connector
RS-485 to USB or RS-232 Converter
DO DI
DO
DI
DI
DO
DI DO
Figure 21. Connections for RS-485 Connector to
Serial Converter
Three-Wire Connection
In order to wire the five pins for use as a three-wire half-duplex RS-485 connection, it is necessary to create a jumper connection between DI to DO and /DI to /DO- as shown below.
Figure 22. Three-Wire RS-485 Connection

Digital I/O Connections

Digital inputs and outputs are provided in order to expand the functionality of the controller. Digital input connections are made via a push button or switch to the appropriate digital input terminal and the +5 VDC terminal. Digital output connections are made by wiring from the appropriate digital output terminal to the ground terminal.
Figure 23. Digital Input and Output Connections
Shield
RS-232 Serial
Connection
to PC
R
R
Twisted-Pair
R
DI DI DO DO
__ __
RS-232 to RS-485
Converter
DI
DIDO
DO
R
Shield
Twisted-Pair
R
Meter #1
DI DI DO DO
__ __
DI DI DO DO
__ __
Last Meter
RS-232 Serial
Connection
to PC
R
RS-232 to RS-485
Converter
DI
DIDO
DO
__ __
DI DI DO DO
O1 O2 O3 O4 G
I1 I2 I3 I4+5
Ground
5 VDC
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F4 Digital Input Connections

A digital input, F4, is standard on the controller. This digital input should be connected with a normally open contact across F4 and COM, or with an active low signal applied to F4. It can be used to start/stop the batch, reset the total, acknowledge/reset relays, or to reset max/min values. See Function Keys & Digital I/O Available Settings on page 53 for a complete list of capabilities.
Figure 24. F4 Digital Input Connections

4-20 mA Output Connections

Connections for the 4-20 mA transmitter output are made to the connector terminals labeled MA OUT. The 4-20 mA output may be powered internally or from an external power supply.
Figure 25. 4-20 mA Output Connections

Analog Output Transmitter Power Supply

The internal 24 VDC power supply powering the analog output may be used to power other devices, if the analog output is not used. The I+ terminal is the +24 V and the R terminal is the return.
Figure 26. Analog Output Supply Powering Other
Devices

Remote Operation of Controller

The controller can be operated via the programming buttons or a PDA2364-MSBS remote control station using the digital inputs and outputs connections as illustrated in Figure 27. Controller to PDA2364-MSBS Control Station Connection.
Figure 27. Controller to PDA2364-MSBS Control
Station Connection

Interlock Relay Feature

As the name implies, the interlock relay feature reassigns one, or more, alarm/control relays for use as interlock relay(s). Interlock contact(s) are wired to digital input(s) and activate the interlock relay. This feature is enabled by configuring the relay, and the corresponding digital input(s), see Setting Up the Interlock Relay (Force On) Feature on page 40.
In the example below, an Interlock Contact switch is connected to a digital input, which will be used to force on (energize) the Interlock Relay. The Interlock Relay and the Control Relay are connected in series with the load.
• When the Interlock Contact is closed (safe), the Interlock Relay energizes, allowing power to flow to the Control Relay; the corresponding front panel LED is on.
• When the Interlock Contact is open, the corresponding front panel LED flashes (locked out), the Interlock Relay is de-energized, preventing power from flowing to the Control Relay and the load.
Figure 28. Interlock Connection
P- COMP+ V+ mA+
3412 5
F4
6
4-20 mA Input
Remote Display, PLC,
Chart Recorder, Etc.
-
+
RI- I+
132
RELAY1
mA OUT
24 V
12-35 VDC
Power
Supply
+
4-20 mA
Input Meter
-+
RI- I+ 132
RELAY1
321
-
24 V
mA OUT
Internal Power Supply
and Analog Output
321
Active Output Loop Passive Output Loop
RI- I+
132
24 VDC
Powered
Device
24 V
+-
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Helios PD2-6210 Analog Input Batch Controller
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Setup and Programming

There is no need to recalibrate the controller when first received from the factory. The controller is factory calibrated prior to shipment for milliamps and volts with
calibration equipment that is certified to NIST standards.

Overview

There are no jumpers to set for the controller input selection. Setup and programming is done using MeterView Pro or through the programming buttons. After power and input signal connections have been completed and verified, apply power to the controller.

LED Status Indicators

LED
State
Indication
1-4
Steady
Alarm condition based on set and reset points, independent of relay status in certain configurations. (Available on all controller configurations, including those without relays installed)
1-4
Flashing
Relay interlock switch open
1-4 & M
Flashing
Relay in manual control mode
R
Steady
Rate
T
Steady
Total
G & T
Steady
Grand Total
▲
Steady
Total overflow. (“oF” is displayed to the left of total overflow and ▲
LED is illuminated)
M
Flashing
Analog output in manual control mode
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Helios PD2-6210 Analog Input Batch Controller
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Programming Buttons

Button
Description
Button
Description
Menu
BATCH Up Arrow/F2
START Right Arrow/F1
STOP Acknowledge (Enter)/F3
• Press the Menu button to enter or exit the Programming Mode at any time.
• Press the Right arrow button to move to the next digit during digit or decimal point programming.
• Press or hold the Up arrow button to scroll through the menus, decimal point, or to increment the value of a digit.
• Press the Enter button to access a menu or to accept a setting.
• Press and hold the Menu button for three seconds to access the advanced features of the controller.
Remote Buttons
The controller can be operated via a remote control station (PDA2364-MSBS) using the digital input connections. The PDA2364-MSBS has four buttons that represent Menu, Start (Right Arrow), Batch (Up Arrow), and Stop (Enter).
See Remote Operation of Controller on page 22 for details.
Lower Door Panel
+
-
P- COMP+ V+mA +
3412 5
21
F4
6
1 2 3 4 5 6 7 8
P+/P-
24V 10V 5V
M-LINK
USB
MENU RIGHT UP ACK
POWER
SIGNAL
MENU
START
F1
BATCH
F2
STOP
F3
RI-I+ NONC
C
NONCCNONCC NONCC
MA OUT
21 3
43 6521
RELAY4RELAY3
43 6521
RELAY2RELAY1
RS-485
DIGITAL I/O
PWR TX RX
DI DI
DO DO
O1 O2 O3 O4 G
I1 I2 I3 I4 +5
__ __
MENU
MENU
UP
BATCH
F2
RIGHT
START
F1
ACK
STOP
F3
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Display Functions and Messages

The controller displays various functions and messages during setup, programming, and operation. The following table shows the main menu functions and messages in the order they appear in the menu.
Display Functions and Messages
Display
Parameter
Action/Setting Description
setup
Setup
Enter Setup menu
Input
Input
Enter Input selection menu
Volt
0-10 VDC
Set input for 10 VDC input
nmA
4-20 mA
Set input for 4-20 mA input
Total
Total
Enable or disable totalizer features
unitS
Units
Select the display units/tags
rate
Rate
Select the display units for rate
total
Total
Select the display units for total
Gtotal
Grand Total
Select the display units for grand total
Dec pt
Decimal point
Set decimal point for rate, total, grand total
prog
Program
Enter the Program menu
InCAL
Input Calibration
Enter the Input Calibration menu
sCalE
Scale
Enter the Scale menu
Cal
Calibrate
Enter the Calibrate menu
Inp 1
Input 1
Calibrate input 1 signal or program input 1 value
Dis 1
Display 1
Program display 1 value
Inp 2
Input 2
Calibrate input 2 signal or program input 2 value (up to 32 points)
Dis 2
Display 2
Program display 2 value (up to 32 points)
Error
Error
Error, calibration not successful, check signal or programmed value
T tb
Total time base
Enter totalizer time base for seconds, minutes, hours or day.
T Cf
Total conversion factor
Enter the conversion factor decimal point and the conversion factor.
nmode
Batch mode
Automatic or manual batch control
T dly
Time delay
Set time delay for automatic batch restart
GT tb
Grand total time base
Program grand total time base
Display Functions and Messages
Display
Parameter
Action/Setting Description
GT CF
Grand total conversion factor
Program grand total conversion factor
GT rst
Grand total reset
Program grand total reset mode: auto or manual
dsplay
Display
Enter the Display menu
Line 1
Display Line 1
Press Enter to assign the Upper display parameter (default: PV or rate)
Line 2
Display Line 2
Press Enter to assign the Lower display parameter (default: total)
d-Inty
Display intensity
Set display intensity level from 1 to 8
RELaY
Relay
Enter the Relay menu
Assign
Assignment
Assign relays to rate, total (batch control), grand total, or Modbus controlled.
Asign1
Assign 1
Relay 1-2 assignment
TotaL
Total
Assign relay to batch control
Gtotal
Grand total
Assign relay to grand total
nmbus
Modbus
Assign relay to Modbus input
rate
Rate
Assign relay to rate
precls
Batch total relay pre­close
For relays beyond the first assigned to total, a pre­close amount may be entered.
RLY 1
Relay 1
Relay 1 setup
Act 1
Action 1
Set relay 1 action1
Auto
Automatic
Set relay for automatic reset
A-nman
Auto­manual1
Set relay for automatic & manual reset any time
1
(relays assigned to rate)
LatcH
Latching1
Set relay for latching operation (relays assigned to rate) 1
Lt-CLr
Latching­cleared1
Set relay for latching operation with manual reset only after alarm condition has cleared (relays assigned to rate) 1
Altern
Alternate
Not applicable to batch controller
Sanmpl
Sampling
Set relay for sampling operation (rate or GT)
OFF
Off
Disable relay and front panel status LED (Select Off to enable Interlock feature)
Preset
Preset
Set batch preset
Set 1
Set 1
Program set point 1
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Display Functions and Messages
Display
Parameter
Action/Setting Description
RSt 1
Reset 1
Program reset point 1
RLY 2
Relay 2
Relays 2-4 setup.
FaiLSF
Fail-safe
Enter Fail-safe menu
FLS 1
Fail-safe 1
Set relay 1 fail-safe operation
on
On
Enable fail-safe operation
off
Fail-safe off
Disable fail-safe operation
DeLAY
Delay
Enter relay Time Delay menu
DLY 1
Delay 1
Enter relay 1 time delay setup
On 1
On
Set relay 1 On time delay
OFF 1
Off
Set relay 1 Off time delay
break
Loop break
Set relay condition if loop break detected (For mA input only)
iGnorE
Ignore
Ignore loop break condition (Processed as a low signal condition)
On
On
Relay goes to alarm condition when loop break is detected
OFF
Off
Relay goes to non-alarm condition when loop break is detected
Aout
Analog output
Enter the Analog output scaling menu
Dis 1
Display 1
Program display 1 value
Out 1
Output 1
Program output 1 value (e.g. 4.000 mA)
Dis 2
Display 2
Program display 2 value
Out 2
Output 2
Program output 2 value (e.g. 20.000 mA)
reset
Reset
Press Enter to access the Reset menu
Rst Hi
Reset high
Press Enter to reset max display
Rst Lo
Reset low
Press Enter to reset min display
Rst HL
Reset high & low
Press Enter to reset max & min displays
Rst t
Reset total
Press Enter to reset total
Rst Gt
Reset grand total
Press Enter to reset grand total
Rst bc
Reset batch count
Press Enter to reset batch count
Display Functions and Messages
Display
Parameter
Action/Setting Description
Contrl
Control
Enter Manual Control menu
Auto
Automatic
Press Enter to set controller for automatic operation
nmAn
Manual
Press Enter to manually control relays or analog output operation
`pass
Password
Enter the Password menu
Pass 1
Password 1
Set or enter Password 1
Pass 2
Password 2
Set or enter Password 2
Pass 3
Password 3
Set or enter Password 3
Total
Total password
Set or enter password for manual reset
Gtotal
Grand total password
Set or enter password for manual reset
nonrst
Non­resettable
Non-resettable grand total
set after entering “050873”
for Gtotal password
unloc
Unlocked
Program password to lock controller
locd
Locked
Enter password to unlock controller
999999
-99999
Flashing display
Overrange condition Underrange condition
1. During operation, only the STOP button will function, to
stop/pause the batch. As a result, relay alarms cannot be manually reset.
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Main Menu

The main menu consists of the most commonly used functions: Setup, Reset, Control, and Password.
• Press Menu button when a batch is not running to enter Programming Mode then press the Up arrow button to scroll main menu.
• Press Menu, at any time, to exit and return to Run Mode. Changes made to settings prior to pressing Enter are not saved.
• Changes to the settings are saved to memory only after pressing Enter.
• The display moves to the next menu every time a setting is accepted by pressing Enter.

Setting Numeric Values

The numeric values are set using the Right and Up arrow buttons. Press Right arrow to select next digit and Up arrow to increment digit value. The digit being changed is displayed brighter than the rest.
Press and hold up arrow to auto-increment the display value.
Press the Enter button, at any time, to accept a setting or Menu button to exit without saving changes.

Setting Up the Batch Controller (setup)

The Setup menu is used to select:
1. Input signal the controller will accept
2. Enable or disable totalizer and batching features
3. Select the display units/tags
4. Decimal point position
5. Program menu for scaling or calibration, totalizer setup, manual or automatic batch mode
6. Display parameter and intensity
7. Relay operation
8. 4-20 mA analog output scaling
Press the Enter button to access any menu or press Up arrow button to scroll through choices. Press the Menu button to exit at any time.
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Setting the Input Signal (Input)

Enter the Input menu to set up the controller to accept current (nmA) or voltage (Volt) inputs.
The current input is capable of accepting any signal from 0 to 20 mA. Select current input to accept 0-20 mA or 4-20 mA signals.
The voltage input is capable of accepting any signal from -10 to +10 VDC. Select voltage input to accept 0-5, 1-5, 0-10, or 10 VDC signals.

Setting the Totalizer & Batch Control Features (total)

After the input type is entered, set the total parameter to “Yes” to enable batch control (this is set by default). If the total features are disabled, most batching features and functions are hidden from the menus.

Setting the Input Units or Custom Tags (units)

Enter the input unit or custom tag that will be displayed if alternating rate, total, or grand total and units is selected in the units menu, or d unit is selected as the Lower display parameter. See the Setting the Display Parameter & Intensity (dsplay) flow chart on page 32 to access the display menu to show the unit or tag on the display line 2. The engineering units or custom legends can be set using the following 7-segment character set:
Display
Character
Display
Character
0
0
k K 1
1
l
L
2
2
n m
m
3
3
n n 4
4
O
O
5
5
o
o
6
6
p P 7
7
q q 8
8
r
r
9
9
s
S
A
A
t t b
b
u u C
C
V
V
c
c
uw
w
d
d
x X e
E
y Y f
F
z
Z
g
G
-
-
9
g
/ / H
H
[ ] h
h
]
[
I
I
=
=
I
i
!
Degree(<)
j
J
Space
Notes:
1. Degree symbol represented by (<) if programming with MeterView Pro.
2. The letters “m” and “w” use two 7-segment LEDs each; when selected the characters to the right are shifted one position.
3. Press and hold up arrow to auto-scroll the characters in the display.
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Setting the Decimal Point (dEc pt)

The decimal point may be set with up to five decimal places or with no decimal point at all. The rate, total, and grand total decimal points are independent.
The decimal point selection should be made prior to scaling, calibrating or programming the controller.
Press the Up arrow to move the decimal point one place to the left. Press the Right arrow to move the decimal point one place to the right.

Programming the Batch Controller (prog)

The controller may either be scaled (SCALE) without applying an input or calibrated (Cal) by applying an input. The controller comes factory calibrated to NIST standards, so for initial setup, it is recommended to use the (SCALE) function.
The Program menu contains the following menus:
1. Input Calibration a. Scale without a signal source b. Calibrate with a signal source
2. Total time base & conversion factor
3. Batch mode a. Manual batch control b. Automatic batch control
4. Grand total time base & conversion factor
5. Grand total reset mode a. Manual reset b. Automatic reset with time delay
The process inputs may be calibrated or scaled to any display value within the range of the controller.
Note: The Scale and Calibrate functions are exclusive of each other. The controller uses the last function programmed. Only one of these methods can be employed at a time. The Scale and Calibrate functions can use up to 32 points (default is 2). The number of points should be set in the Advanced menu prior to scaling and calibration of the controller. See Multi-Point Linearization (Linear) menu on page 51 for details.
Additional parameters, not needed for most applications, are programmed in the Advanced Features menu; see Advanced Setup & Programming on page 48.
Input Calibration Method (InCAL)
There are two methods of calibrating (or scaling) the display to show the correct engineering units.
• Use the Scale menu to enter the scaling without a signal source.
• Use the Calibrate menu to apply a signal from a signal source.
Note: The Scale and Calibrate functions are exclusive of each other. The controller uses the last function programmed. Only one of these methods can be employed at a time. The Scale and Calibrate functions can use up to 32 points (default is 2). The number of points should be set in the Advanced menu prior to scaling and calibration of the controller. See Multi-Point Linearization (Linear) menu on page 51 for details.
Scaling the Controller (SCALE)
The 4-20 mA and the 10 VDC inputs can be scaled to display the process variable in engineering units.
A signal source is not needed to scale the controller; simply program the inputs and corresponding display values.
For instructions on how to program numeric values
see Setting Numeric Values, page 27.
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Error Message (Error)
An error message indicates that the calibration or scaling process was not successful.
After the error message is displayed, the controller reverts to input 2 during calibration or scaling and to input 1 during internal calibration, allowing the appropriate input signal to be applied or programmed.
The error message might be caused by any of the following conditions:
1. Input signal is not connected to the proper terminals or it is connected backwards.
2. Wrong signal selection in Setup menu.
3. Minimum input span requirements not maintained.
4. Input 1 signal inadvertently applied to calibrate input 2.
Minimum Input Span
The minimum input span is the minimum difference between input 1 and 2 signals required to complete the calibration or scaling of the controller.
Input range
Input 1 & input 2 span
4-20 mA
0.15 mA
10 VDC
0.10 VDC
Time Base, Total Conversion Factor & Total Reset
The time base, total conversion factor, and total reset menus are located in the Program menu.
The total and grand total have their own independent settings. This means that one can be displaying the value in gallons while the other displays in million gallons, liters, m3, etc.
Time Base
The time base is the amount of time over which the rate parameter should accrue. For example, if the rate was ten and the time base was in minutes, then the total would increase by ten every one minute.
Total & Grand Total Conversion Factor
The total & grand total conversion factor is the amount by which the rate is multiplied before it is added to the total or grand total.
For Example, if the rate was ten per second and the total conversion factor was 100, the total would increase by 1000 every second. This is useful, for instance, if you want to show rate in gallons and total in thousands of gallons.
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Batch Start Mode (nmode)
Manual Batch Control
The batch controller may operate in manual or automatic mode. In manual mode, the controller operates as described in Manual Batch Control on page 44.
Automatic Batch Control
In automatic mode, the controller operates as described in Automatic Batch Control on page 45.
The batch process will start when the operator presses the START button and it will automatically restart after a completed batch. The time delay for the restart may be 0.1 to 999.9 seconds (t dly).
Automatic batch start will only occur after a successful batch. A manually stopped batch will require a manual start to begin a new batch process.
Grand Total Reset
The grand total can be programmed for manual or automatic reset. In the automatic reset mode, a programmable time delay is available to reset the grand total after the assigned preset is reached.
The totals can also be reset via the front panel button, via a switch across the F4 terminal, digital inputs, or via a Modbus command.
Non-Resettable Totalizer
The grand total can be programmed as a non­resettable total, see Grand Total Reset Password & Non-Resettable Total on page 42 for details.
Calibrating the Controller with External Source (Cal)
The controller can be calibrated to display the process variable in engineering units by applying the appropriate input signal and the corresponding display value.
The use of a calibrated signal source is strongly recommended to calibrate the controller.
Note: Inputs for the above example are: Input 1: 4.00 mA; Display 1: 0.0 Gallons Input 2: 20.00 mA; Display 2: 15000.0 Gallons
Warm up the controller for at least 15 minutes
before performing calibration to ensure specified
accuracy.
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Setting the Display Parameter & Intensity (dsplay)

Display line 1 (line 1) can be programmed to display:
1. Display total
2. Display grand total
3. Toggle rate and total
4. Toggle rate and grand total
5. Display batch count
6. Relay set points
7. Toggle preset and rate
8. Toggle rate and units
9. Toggle total and units
10. Toggle grand total and units
11. Display max and min values
12. Display Modbus input
13. Display rate value
Display line 2 (line 2) can be programmed to display:
1. Toggle rate and units
2. Toggle total and units
3. Toggle grand total and units
4. Display max and min values
5. Display Modbus input
6. Off (no display)
7. Display rate units
8. Display rate
9. Display total
10. Display grand total
11. Toggle rate and total
12. Toggle rate and grand total
13. Display batch count
14. Relay set points
15. Toggle preset and rate
After setting up the input and the display, press the Menu button to exit programming and skip the rest of the setup menu. Press the Menu button again and the Up arrow to reach the Program menu and complete the scaling or calibration of the controller.
Display Menu

Display Intensity (d-Inty)

The controller has eight display intensity levels to give the best performance under various lighting conditions. Select intensity 8 for outdoor applications. The default intensity setting is 6.
For direct sunlight readability, Sunbright display models are highly recommended. See Ordering Information on page 6 for details.
Display Configurations
The upper and lower displays may be assigned to rate, total, grand total, batch count, preset, set points, units (lower display only), alternating R & T, R & GT, preset & rate, max & min, or a Modbus display register. Any rate/total/grand total display may be programmed to alternate with a custom unit or tag. The default display configuration consists of an upper display of batch total and a lower display of the batch preset.
The display can also be set up, so batch total is on the upper display and rate is on the lower display.
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Setting the Relay Operation (relay)

This menu is used to set up the operation of the relays.
• During setup, the relays do not follow the input and they will remain in the state found prior to entering the Relay menu.
1. Relay assignment
a. Rate for low and high alarm b. Total for batch control relays c. Grand total for grand total alarms
2. Relay action
a. Automatic reset only (non-latching) b. Automatic + manual reset when not in a
batch process (non-latching)
c. Latching (manual reset when not in a
batch process only)
d. Latching with Clear (manual reset when
not in a batch process only after alarm condition has cleared)
e. Pump alternation control (Not applicable
to batch control)
f. Sampling (the relay is activated for a
user-specified time and may be assigned to rate or grand total)
g. Off (relay state can be controlled by
Interlock feature)
3. Set and reset points; batch preset
4. Fail-safe operation a. On (enabled) b. Off (disabled)
5. Time delay a. On delay (0-999.9 seconds) b. Off delay (0-999.9 seconds)
6. Relay action for loss (break) of 4-20 mA input
(ignore, on, off)
Note: Fail-safe should not be used for relays assigned to batch control.
• The rate alarms are active only during a batch
process. As a result, rate alarms should not be programmed with manual reset, as they cannot be manually reset during a batch process, the only time they are active.
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Relay Assignment (Assign)

The relays can be assigned to any of the following parameters:
1. Rate for low or high alarm indication
2. Total for batch control relays
3. Grand total for alarm indication or sampling
• Relay 1 should always be assigned to “total” for batch control applications.
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Setting the Relay Action

Operation of the relays is programmed in the Action menu. The relays are commonly set up for any of the following modes of operation:
1. Always set to Auto for Batch control operation. Also for automatic reset (non-latching) of alarms.
2. Sampling (the relay is activated for a user­specified time)
3. Off (relay state can be controlled by Interlock feature)
In addition, the following relay actions may be programmed. These actions are not appropriate for batch control applications but may be used when the controller is in other applications.
4. Automatic + manual reset when not in a batch process (non-latching)
5. Latching (manual reset only, when not in a batch process)
6. Latching with Clear (manual reset only when not in a batch process after alarm condition has cleared)
7. Pump alternation control (not applicable to batch control)

Setting Batch Control Relays

Operation of batch control relays are programmed in the Assign menu by selecting total as the assignment. Relays set to total beyond the first relay will include a pre-close parameter (precls) option. Selecting yes for precls will enable multi­stage batching with pre-close, and the valve will close prior to the end of the batch at volume equal to the preset value minus the pre-close amount entered. Selecting no for precls will have the relay perform identically to the first batch control relay set to total.

Programming Alarm Set and Reset Points

High alarm: program set point above reset point. Low alarm: program set point below reset point. The deadband is determined by the difference
between set and reset points. Minimum deadband is one display count. If the set and reset points are programmed with the same value, the relay will reset one count below the set point.
Note: Changes are not saved until the reset point has been accepted.

Setting Fail-Safe Operation

In fail-safe mode of operation, the relay coil is energized when the process variable is within safe limits and the relay coil is de-energized when the alarm condition exists. The fail-safe operation is set independently for each relay. Select on to enable or select off to disable fail-safe operation. Failsafe mode should not be used on batch relays assigned to total.

Programming Time Delay

The On and Off time delays may be programmed for each relay between 0 and 999.9 seconds. The relays will transfer only after the condition has been maintained for the corresponding time delay.
The On time delay is associated with the set point. The Off time delay is associated with the reset point.

Relay Action for Loss of 4-20 mA Input (Loop Break)

The loop break feature is associated with the 4-20 mA input. Rate alarm relays may be programmed to go to one of the following conditions when the controller detects the loss of the input signal (i.e. < 0.005 mA):
1. Turn On (Go to alarm condition)
2. Turn Off (Go to non-alarm condition)
3. Ignore (Process as a low signal condition)
Note: This is not a true loop break condition; if the signal drops below 0.005 mA, it is interpreted as a “loop break” condition.
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Automatic Batch Control Operation

The following graph shows automatic batch operation .
When START is pressed, a short delay occurs before the low flow alarm sensing is activated. Each relay can be programmed with additional ON delay to satisfy various conditions and applications.
1. START button is pressed
2. Both relays are energized opening both valves controlling the flow
3. At 50 gallons (pre-close = 5 gal), relay 2 closes the main valve
4. At 55 gallons (preset = 55 gal), relay 1 closes the dribble valve
5. After the Batch Time Delay elapses, a new batch starts automatically without the operator’s intervention.
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Relay and Alarm Operation Diagrams

The following graphs illustrate the operation of the relays, status LEDs, and ACK button.

High Alarm Operation (Set > Reset)

For Manual reset mode, ACK can be pressed anytime to turn "off" relay. To detect a new alarm condition, the signal must go below the set point, and then go above it.

Low Alarm Operation (Set < Reset)

For Manual reset mode, ACK can be pressed anytime to turn "off" relay. To detect a new alarm condition, the signal must go below the set point, and then go above it.

High Alarm with Fail-Safe Operation (Set > Reset)

Note: Relay coil is energized in non-alarm condition. In case of power failure, relay will go to alarm state.

Low Alarm with Fail-Safe Operation (Set < Reset)

Note: Relay coil is energized in non-alarm condition. In case of power failure, relay will go to alarm state.
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Time Delay Operation

The following graphs show the operation of the time delay function.
When the signal crosses the set point, the On time delay timer starts and the relay trips when the time delay has elapsed. If the signal drops below the set point (high alarm) before the time delay has elapsed, the On time delay timer resets and the relay does not change state. The same principle applies to the Off time delay.
Note: If “Automatic or Manual (A-nmAn)” reset mode is selected, the LED follows the reset point and not the relay state when the relay is acknowledged.

Total Relay Sampling Operation

When the total reaches the preset, the relay trips and the sample time starts. After the sample time has elapsed, the relay resets. The cycle repeats every time the preset value is added to the total.
Preset = 100
100
Relay
LED
Total
200
300
Sample
Time
Sample
Time
Sample
Time
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Relay Operation Details

Overview

The relays of the controller can serve three roles, as batch control relays for single or multi-stage batching, as rate, or grand total alarm, or as a sampling relay based on grand total or rate alarm.
These capabilities include front panel alarm status LEDs and 2 or 4 relays.
The relays used for batch control (total) are activated when the batching process starts and deactivate when the batch total is reached. The relays assigned as pre-close are deactivated when the batch reaches the preset value minus the pre-close value.
For an example of batch control operation, see Batch Control Operation Example on page 43.
Typical applications for alarms are low flow and high flow alarms or grand total limit alarms. Note that rate alarms are only activated during a batch process and deactivated when the process is stopped.
The relays can also be set for sampling, where the relay will activate for a specific amount of time after a certain grand total has been reached (e.g. 10 seconds sample relay activation every 100 gallons batched).
There are three basic ways the relays can be used:
1. Batch Control (Total)
2. High or Low Alarms for Rate or Grand Total
3. Sampling (Based on Grand Total and Sample Time)

Relays Initialization

Batch control (total) relays will activate when the start function is enabled, such as when the START button is pressed. Rate alarm relays will enable and initialize to their programmed states when the batch process is started. Grand total alarm relays will initialize to their programmed state at controller power-up.

Fail-Safe Operation

The following table indicates how alarm relays behave based on the fail-safe selection for each relay:
Fail-Safe
Selection
Non-Alarm
State
Alarm State
Power Failure
NO
NC
NO
NC
Off
Open
Closed
Closed
Open
Relays in de-energized state
On
Closed
Open
Open
Closed
Relays in energized state
Note: NO = Normally Open, NC = Normally Closed. This refers to the condition of the relay contacts when the power to the controller is off.

Front Panel LEDs

The alarm status LEDs on the front panel are available on all controllers and provide status indication for the following:
LED
Status
1
Batch Relay 1
2
Batch Relay 2
3
Low Flow Alarm
4
High Flow Alarm
The controller is supplied with alarm points that include front panel LEDs to indicate alarm conditions. This standard feature is particularly useful for alarm applications that require visual-only indication. The LEDs are controlled by the set and reset points programmed by the user. When the display reaches a set point for a high or low alarm, the corresponding alarm LED will turn on. When the display returns to the reset point the LED will go off. Note that rate alarms are only activated during a batch process and they are deactivated when the process is stopped.
Latching relays, or relays with manual reset, are not recommended when using this controller for batch control, as the manual reset will not be acknowledged during a batch process, when the rate alarms are active. For information on latching and manual reset alarms, see the PD2-6200 instruction manual.

Automatic Reset (Auto)

In this application, the controller is set up for automatic reset (non-latching relay). Acknowledging the alarm while it is still present has no effect on either the LED or the relay. When the alarm finally goes away, the relay automatically resets, and the LED also goes off.

Pump Alternation Control

Pump alternation control is not recommended when using this controller for batch control, as it is used only in level applications, and not with rate, total, or batching applications.
Automatic reset only
Condition
LED
Relay
Normal
Off
Off
Alarm
On
On
Ack (No effect)
On
On
Normal
Off
Off
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Sample Relay Operation

The sampling function allows the operator to set a set
point for a “sampling” relay. This can be done for the
rate, total, or grand total. Each time the relay reaches
the set point, it will close that relay’s contacts for a
programmed period set by the user. A rate sampling relay will activate for the sample time
(sanm t), every time the set point rate is reached. A total sampling relay will activate for the sample time
(sanm t), every time the process has batched the amount programmed for the set point (See the diagrams on page 38 more details). The utility of this function can, of course, be expanded beyond sampling and be used whenever a timed relay output closure is required after the batch total interval reaches a certain set point.
Light / Horn / Button Accessories
Add visible and audible ways to indicate
alarm conditions on any Helios controller
with the MOD-PD2LH Light / Horn / Button
accessories. The light with built-in 85 dB
horn, and button come mounted and wired
to the Helios. Controller and accessories
are ordered as separate items. See
Ordering Information on page 6.

Setting Up the Interlock Relay (Force On) Feature

Relays 1-4 can be set up as interlock relays. To set up the relays for the interlock feature:
1. Access the Setup – Relay – Action menu and set the action to off.
2. In the Advanced features – User menu program
any of the digital inputs to Force On any of the internal relays (1-4).
3. Connect a switch or dry contact between the +5V
terminal and the corresponding digital input (dI-1 to dI-4) terminal.
Interlock Relay Operation Example
Relays 3 & 4 are configured to energize (their front panel LEDs are steady on) when SW1 & SW2 switches (above) are closed. If the contacts to these digital inputs are opened, the corresponding front panel LEDs flash indicating this condition. The processes being controlled by the interlock relay will stop, and will re-start only after the interlock relay is re-activated by the digital inputs (switches).
Note: If multiple digital inputs are assigned to the same relay, then the corresponding logic is (AND) – i.e. both switches must be closed to activate the relay.
• If the digital inputs are assigned to the Interlock
Function, then they cannot be used to program
the controller remotely.
O1 O2 O3 O4 G
I1 I2 I3 I4+55 VDC
SW1
SW2
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Scaling the 4-20 mA Analog Output (Aout)

The 4-20 mA analog output can be scaled to provide a 4-20 mA signal for any rate display range selected.
No equipment is needed to scale the analog output; simply program the display values to the corresponding mA output signal.
The Analog Output menu is used to program the 4-20 mA output based on rate display values.
For further details, see Setting Numeric Values
on page 27, Analog Output Value for Loss of 4-
20 mA Input (Loop Break) on page 52.

Reset Menu (reset)

The Reset menu is used to reset the total, grand totals, batch count, maximum, or minimum reading (peak or valley) reached by the process; both maximum and minimum may be reset at the same time by selecting “reset high & low” (rst HL).

Manual Control Menu (Contrl)

The Manual Control menu is used to control the 4-20 mA analog output and the relays manually, ignoring the input. Each relay and analog output can be programmed independently for manual control. Selecting automatic control sets all relays and analog output for automatic operation.
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Setting Up the Password (pass)

The Password menu is used for programming three levels of security to prevent unauthorized changes to the programmed parameter settings and to program the non-resettable totalizer.
Pass 1: Allows use of function keys and digital inputs Pass 2: Allows use of function keys, digital inputs and editing set/reset points Pass 3: Restricts all programming, function keys, and digital inputs. Total Password: Prevents resetting the total manually Gtotal Password: Prevents resetting the grand total manually

Protecting or Locking the Controller

Enter the Password menu and program a six-digit password.
For instructions on how to program numeric values see Setting Numeric Values, page 27.

Grand Total Reset Password & Non-Resettable Total

The grand total can be password-protected to prevent unauthorized total resets.
The grand total can be programmed as a non­resettable total by entering the password “050873”.
• Once the Grand Total has been programmed as “non-resettable” the feature CANNOT be disabled.

Making Changes to a Password Protected Controller

If the controller is password protected, the controller will display the message Locd (Locked) when the Menu button is pressed. Press the Enter button while the message is being displayed and enter the correct password to gain access the menu. After exiting the programming mode, the controller returns to its password protected condition.

Disabling Password Protection

To disable the password protection, access the Password menu and enter the correct password twice, as shown below. The controller is now unprotected until a new password is entered.
If the correct six-digit password is entered, the controller displays the message unLoc (unlocked) and the protection is disabled until a new password is programmed.
If the password entered is incorrect, the controller displays the message Locd (Locked) for about two seconds, and then it returns to Run Mode. To try again, press Enter while the Locked message is displayed.
Did you forget the password?
The password may be disabled by entering a master password once. If you are authorized to make changes, enter the master password 508655 to unlock the controller.
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Controller Operation

The default configuration displays batch total on Line 1, and a selection of rate, grand total, and batch count, and batch preset on Line 2.
When in pause or stop mode, the display will alternate the numeric value with the run status on Line 1 and the display label for Line 2.
The controller has up to 4 relays which are used to either control the batch process in single or multi­stage batch control, or as alarms that will be active when the batch process is running. A 4-20 mA output option is also available for retransmitting the process variable.
Watch Batch Control Video at
www.predig.com/videos/KN6Y6R0I1OE

Default Batch Control Operation

The following describes the operation of the three front panel operating keys as programmed with default settings.

START Button

Press the START button to begin a new batch process. Press the START button to resume a batch that has been stopped.

BATCH Button

Press the Batch button to access the Preset (batch amount) menu. Program the batch with the arrow keys, and confirm with the Enter key.

STOP Button

Press the STOP key once during a batch to pause. Press the STOP key while paused to stop and cancel the batch. Press the STOP key while in stop/ready mode to cycle the lower display parameters: preset, grand total, and batch count (or other parameter assigned to the lower display).
• Only STOP Button Enabled if a Batch is Running. During a batch process, only the
pause/stop functions are operational, other buttons are deactivated.

Batch Control Operation Example

The following example shows how two stage batch control functions with a PD2-6210. This setup will establish a 55 gallon preset for the batch, with a main valve (high flow) that will close at 50 gallons, and a trickle valve (low or restricted flow) that will close at 55 gallons. After the batch, the preset will be changed to 80 gallons.

Two-Stage Batch Control Setup Using Relays 1 & 2

The following table shows the parameters as they appear within the Setup menu entry relay.
Parameter
Setting
Function
Relay
Assign
Press Enter to enter the relay assignment parameters.
Asign1
total
Assign relay 1 to batch total control.
Asign2
total
Assign relay 2 to batch total control.
Precls Total
Press Enter to access pre­close selection for multi-stage control.
Precls
Yes
Yes, to enable a pre-close value for relay 2.
Yes
00005..0
Set the pre-close value to 5 for closing the valve controlling relay 2 five gallons before reaching the preset.
…
Assignment for optional relays 3-4.
Rly 1 relay
Select relay 1 setup.
Act 1 rly 1
Configure activation of relay 1.
Act 1
Auto
Always set to Auto for batch control function.
Rly 1
Preset
Set the preset value for batch control.
Preset
00055.0
Set 55 gallons as the preset.
…
Setup for optional relays 3-4.
The operation of relay 2 has already been assigned for multi-stage control pre-close and will not appear as a selection in the relay menu.
If only one stage batch control was desired, with one relay for control, then one would set the assignment of relay 2, assign2, to off, rate, or grand total.
The following pages show an illustration of how the above settings control the batch operation. The display assignment shown is the default.
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Manual Batch Control

The manual batch control feature is used for batch processes where each batch must be started by the operator. The following diagrams demonstrate a typical manual batch operation with the optional
PDA2364-MSBS control station for remote operation
of the controller.

Manual Batch Control Operation

1. Both valves are closed with an empty barrel
in place. The batched total is displayed in the upper display, the preset is selected for the lower display.
2. The START button is pressed. Both valves
open. The barrel begins to fill.
3. When the batch total reaches a value of
50.00 (Preset [55.00] – Pre-close [5.00]) the full-flow valve closes. The fill rate of the tank slows as a result.
4. When the batch is complete, the restricted­flow valve closes. If overrun occurs, then the next batch will adjust for this offset amount to maintain accuracy.
5. After placing a new, empty barrel, a new preset fill amount may be selected with the Batch key, while the process is stopped.
6. The new batch begins when the START button is pressed, so both relays activate and both valves open.
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Additional Features
At any time during the batch, the STOP button may be pressed to pause the batch. When paused, pressing the START button will continue the batch, and pressing the STOP button again will cancel the batch.
When in STOP mode, the STOP button may be pressed to cycle through alternative parameters to be displayed on the lower display, including the grand total, batch count, and preset.
The grand total and batch count may be reset in the
reset menu by pressing the MENU button and
entering the reset menu. It may also be reset with digital inputs.

Automatic Batch Control

The automatic batch control feature is used for batch processes where the batch size does not change or the operator wants the next batch to start automatically after the previous batch is complete. The following diagrams demonstrate a typical auatomatic batch operation with the optional
PDA2364-MSBS control station for remote operation
of the instrument.

Setup for Automatic Batch Control

The batch controller can be configured to automatically start a new batch after the selected time delay between batches has elapsed.
The time delay allows time for removing the full barrel and putting an empty barrel in place. Once the process starts, the operator does not have to press any buttons; except to pause or stop the batch process.
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Automatic Batch Control Operation

1. Both valves are closed with an empty barrel in place. The batched total is displayed in the upper display, the preset is selected for the lower display.
2. The START button is pressed. Both valves open. The barrel begins to fill.
3. When the batch total reaches a value of
50.00 (Preset [55.00] – Pre-close [5.00]) the full-flow valve closes. The fill rate of the tank slows as a result.
4. When the batch is complete, the restricted­flow valve closes. If overrun occurs, then the next batch will adjust for this offset amount to maintain accuracy.
5. After the batch is completed, the operator removes the full barrel and places an empty barrel; the new batch starts automatically after 60 seconds (Time Delay).
6. The new batch begins automatically after 60 seconds, both relays activate and both valves open.
7. At the end of the shift, press STOP twice to stop the batch process.
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Setup with MeterView Pro

Use MeterView Pro software to set up the batch controller for manual or automatic batch control, count up or count down operation, and set the batch preset and pre-close values.
Control
Program for automatic or manual batch operation and set time delay if automatic mode.
Count Direction
Program the batch controller to count up or count down and set a starting count value if desired.

Operate with MeterView Pro

Meterview Pro software also shows the Batch Size and Current Batch Total as well as allowing the user to start and stop the batch.
Real-Time Batch in Progress
MeterView Pro software shows all the important batch­control information.
Batch Control
MeterView Pro allows the user to set preset 1 and preclose values and start and stop the batch
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Advanced Setup &
Programming
In addition to the functions described in Controller Operation on page 43, the following advanced
operation and display features may be programmed. Please note that configuring these features may disable some default batch controller features or it can make running a batch operation impossible. These functions should only be used by users who are sure of their need in their application.

Advanced Features Menu

To simplify the setup process, functions not needed for most applications are located in the Advanced Features menu.
Press and hold the Menu button for three seconds to access the advanced features of the meter. This cannot be done during a batch process as all functions other than STOP are disabled during a batch process, including the Menu button.

Advanced Features Menu & Display Messages

The following table shows the functions and messages of the Advanced Features menu in the order they appear in the menu.
Advanced Features Menu & Display Messages
Display
Parameter
Action/Setting
filter
Filter
Set noise filter value
bypASs
Bypass
Set filter bypass value
Round
Round
Set the rounding value for display variables
seriAl
Serial
Set serial communication parameters
SlaVId
Slave ID
Set slave ID or controller address
baud
Baud rate
Select baud rate
Tr dLY
Transmit delay
Set transmit delay for serial communication
Parity
Parity
Select parity Even, Odd, or None with 1 or 2 stop bits
Advanced Features Menu & Display Messages
Display
Parameter
Action/Setting
t-byt
Time byte
Set byte-to-byte timeout
SelEct
Select
Enter the Select menu (function, cutoff, out)
Functn
Input Signal Conditioning
Select linear, square root, or programmable exponent
Linear
Linear
Set controller for linear function and select number of linearization points
No PtS
Number of points
Set controller for 2 to 32-point linearization
Square
Square root
Set controller for square root extraction
Prog E
Programmable exponent
Set controller for programmable exponent and enter exponent value
CutofF
Cutoff
Set low-flow cutoff
Count
Count
Set the totals to count up or down from a set value
Tot C
Total count
Set the batch to count up to or down from the preset
up
Up
Set the total to count up
Douwn
Down
Set the total to count down
Gtot C
Grand total count
Set the grand total to count up or down from a defined value
C strt
Count start
Set the starting grand total value when counting down
AoutPr
Analog output programming
Program analog output parameters
Source
Source
Select source for the 4-20 mA output
O-rang
Overrange
Program mA output for display overrange
u-rang
Underrange
Program mA output for display underrange
Break
Loop Break
Set analog output value if input loop break is detected
Force
Force output
Force analog output value for loop break
Ignore
Ignore
Ignore loop break condition
nmAx
Maximum
Program maximum mA output allowed
nmin
Minimum
Program minimum mA output allowed
Calib
Calibrate
Calibrate 4-20 mA output (internal reference source used for scaling the output)
4 nmA
4 mA output
Enter mA output value read by milliamp meter with at least 0.001 mA resolution
20 nmA
20 mA output
Enter mA output value read by milliamp meter with at least 0.001 mA resolution
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Advanced Features Menu & Display Messages
Display
Parameter
Action/Setting
user
User I/O
Assign function keys and digital I/O
F1
F1 function key
Assign F1 function key
F2
F2 function key
Assign F2 function key
F3
F3 function key
Assign F3 function key
F4
F4 function
Assign F4 function (digital input)
dI I
Digital input 1
Assign digital input 1 – 4
dO 1
Digital output 1
Assign digital output 1 – 4
ICal
Internal source calibration
Enter internal source calibration (used for scaling the controller without a signal source)
C CAL
Current calibration
Calibrate 4-20 mA current input (internal reference source used for scaling the input)
C lo
Current low
Calibrate low current input (e.g. 4 mA)
C Hi
Current high
Calibrate high current input (e.g. 20 mA)
V CAL
Voltage calibration
Calibrate voltage input
V Lo
Voltage low
Calibrate low voltage input (e.g. 0 V)
V Hi
Voltage high
Calibrate high voltage input (e.g. 10 V)
Diag
Diagnostics
Display parameter settings
LED t
LED test
Test all LEDs
Info
Information
Display software number and version
erase
Erase
Erase MeterView Pro software stored in controller’s memory

Function Keys Operation

During operation, the programmable function keys operate according to the way they have been programmed in the Advanced Features – User menu. See Programmable Function Keys User Menu (user) on page 53 for details. The following table shows the default setting for each of the function keys.
Function Key/Button
Default Setting
Action
F1/START
Start
Start batch
F2/BATCH
preset
Change preset
F3/STOP
stop
Pause/stop batch
F4/Digital Input
Srtstp
Start/stop batch

Digital Inputs Operation

Five (5) digital inputs, F4, DI-1 to DI-4, come standard on the controller. These digital inputs are programmed identically to function keys F1, F2, and F3. The inputs are triggered with a contact closure to +5 in the case of digital inputs 1-4 or with an active high signal, see Digital I/O Connections on page 21 for details. The F4 is triggered with a contact closure to COM or with an active low signal. During operation, digital inputs operate according to the way they are programmed in the Advanced Features – User menu. See Programmable Function Keys User Menu (user) on page 53 for details.
• Only STOP Operation Enabled if a Batch is Running. During a batch process, the only
function that can be performed is the pause/stop functions of the STOP button; the default programming of the F3 key. No other functions, including min/max display, manual alarm reset, or total reset, will function while a batch is running.
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Advanced Setup and Calibration

Multi-Point Calibration & Scaling
The controller is set up at the factory for 2-point linear calibration. The number of points for multi-point calibration/scaling is set up in the Advanced Features menu. Up to 32 linearization points may be selected. See Multi-Point Linearization (Linear) on page 51 for details.

Maximum/Minimum Readings

The max & min readings (peak & valley) reached by the process can be displayed either continuously or momentary:
1. Display briefly by assigning to the digital inputs in the User menu.
2. Display continuously by assigning either display to max/min through the Display menu.
• Changing the programming of the F1-F3 function keys will disable the default batch operation of these keys, and is not recommended for batch control applications.
Any of the digital inputs can be programmed to reset the max & min readings.
To display max/min readings continuously:
Assign either display to Max (d Hi), Min (d Lo), or toggle between Max and Min (d HL) every 10 seconds.
• Note that changing the default programming of the upper or lower displays may affect viewing the batch total (upper display) or preset (lower display) of the batch process.

Noise Filter (filter)

The noise filter is available for unusually noisy signals that cause an unstable process variable display. The noise filter averages the input signal over a certain period. The filter level determines the length of time over which the signal is averaged. The filter level can be set between 2 and 199. The higher the filter level, the longer the averaging time and so the longer it takes the display to settle to its final value. Setting the filter level to zero disables the filter function.

Noise Filter Bypass (bypass)

The noise filter bypass changes the behavior of the controller so that small variations in the signal are filtered out but large abrupt changes in the input signal are displayed immediately. The bypass value determines the minimum amount of signal change to be displayed immediately. All signal changes smaller than the bypass value are filtered or averaged by the controller. The noise filter bypass may be set between
0.1 and 99.9% of full scale.

Rounding Feature (round)

The rounding feature is used to give the user a steadier display with fluctuating signals. Rounding is used in addition to the filter function.
Rounding causes the display to round to the nearest value according to the rounding selected.

Modbus RTU Serial Communications (serial)

The controller is equipped with serial communications capability as a standard feature using Modbus RTU Serial Communication Protocol.
The controller may be connected to a PC for initial configuration via the on-board USB connection. For ongoing digital communications with a computer or other data terminal equipment, use the RS-485 connection with the appropriate serial converter; see Ordering Information on page 6 for details.
• DO NOT connect any equipment to the RJ45 M-LINK connector. Otherwise damage will occur to the equipment and the controller.
• DO NOT disconnect the RJ45 connector located to the left of the power terminal block. Doing so will disable the on-board digital I/O, and the RS-485 serial communications.
Notes:
1. More detailed instructions are provided with each optional serial communications adapter.
2. Refer to the Helios Modbus Register Tables located at www.predig.com for details.
When using more than one controller in a multi-drop mode, each controller must be provided with its own unique address. The controller address (Slave ID) may be programmed between 1 and 247. The transmit delay may be set between 0 and 199 ms. The parity can be set to even, odd, or none with 1 or 2 stop bits.
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Select Menu (SElEct)

The Select menu is used to select the input signal conditioner applied to the input (linear, square root, or programmable exponent), low-flow cutoff, and analog output programming. The multi-point linearization is part of the linear function selection.
Input Signal Conditioning (Functn)
The Function menu is used to select the input signal conditioner applied to the input: linear, square root, or programmable exponent. The multi-point linearization is part of the linear function selection.
Controllers are set up at the factory for linear function with 2-point linearization. The linear function provides a display that is linear with respect to the input signal.
Square Root Linearization (Square)
The square root function can be used to linearize the signal from a differential pressure transmitter and display flow rate in engineering units.
Programmable Exponent Linearization (Prog E)
The programmable exponent can be used to linearize the signal from level transmitters in open-channel flow applications using weirs and flumes.
Multi-Point Linearization (Linear)
Controllers are set up at the factory for linear function with 2-point linearization. Up to 32 linearization points can be selected under the linear function. The multi­point linearization can be used to linearize the display for non-linear signals such as those from level transmitters used to measure volume in odd-shaped tanks or to convert level to flow using weirs and flumes with complex exponent.
Low-Flow Cutoff (CutofF)
The low-flow cutoff feature allows the controller to be programmed so that the often-unsteady output from a differential pressure transmitter, at low flow rates, always displays zero on the controller. The cutoff can be disabled to display negative values.
The cutoff value may be programmed from 0.1 to
999999. The controller will display zero below the
cutoff value. Programming the cutoff value to zero disables the cutoff feature. The cutoff can be disabled to display negative values.
Total and Grand Total Count Direction (Count)
By default, the batch total and grand total count up during batch processes. Count parameter allows this to change. When set to count down, the batch total will count down from the preset to 0. When set to count down, the grand total will count down from a starting value to zero.
Analog Output Programming (AoutPr)
The Analog Output Programming menu is used to program the behavior of the 4-20 mA output. The following parameters and functions are programmed in this menu:
1. Source: Source for generating the 4-20 mA output (e.g. Rate)
2. Overrange: Analog output value with display in overrange condition
3. Underrange: Analog output value with display in underrange condition
4. Break: Analog output value when loop break is detected
5. Max: Maximum analog output value allowed regardless of input
6. Min: Minimum analog output value allowed regardless of input
7. Calibrate: Calibrate the internal 4-20 mA source reference used to scale the 4-20 mA output
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Analog Output Source
The source for generating the 4-20 mA output may be assigned to the rate/process variable, total, grand total, maximum or minimum value reached by the rate/process, one of the set points, or the Modbus PV input.
Analog Output Value for Loss of 4-20 mA Input (Loop Break)
The AoutPr - Break menu is used to force the analog output to go to a user-specified mA value if a break condition is detected in the 4-20 mA input loop. Selecting Ignore causes the mA output to go to the minimum value.
Analog Output Calibration
To perform the analog output calibration, it’s recommended to use a milliamp meter with a resolution of at least 0.1 µA to measure the output current. The values saved internally during this procedure are used for scaling the 4-20 mA output in the Setup menu.
Analog Output Calibration Procedure
1. Wire the PD2-6210 4-20 mA output to a current loop that includes a power supply (internal or external 12 to 24 VDC), and the mA input on the digital meter. See Figure 25. 4-20 mA Output Connections on page 22 for details.
2. Turn on all devices. Allow for a 15 to 30 minute warm-up.
3. Go to the Advanced Features menu, and navigate to the Analog Output Programming (AoutPr)/Calibration (Calib) menu and press Enter.
4. The display will show 4 nmA. The PD2-6210 mA output should now be close to 4 mA. Press Enter and the display will show 04.000. Enter the actual value read by the digital mA meter and press Enter.
5. The display will show 20 nmA. The PD2-6210 mA output should now be close to 20 mA. Press Enter and the display will show 20.000. Enter the actual value read by the digital mA meter and press Enter.
6. The meter will now calculate the calibration factors and store them.
7. Press Menu to exit and return to Run mode.
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Programmable Function Keys User Menu (user)

• Changing the programming of the F1-F3 function keys will disable the default batch operation of these keys, and is not recommended for batch control applications.
The User menu allows the user to assign the front panel function keys F1, F2, and F3, the digital input F4 (located on the input signal connector), and four digital inputs (located on the digital I/O connector) to access most of the menus or to activate certain functions immediately (e.g. reset max & min, hold relay states, etc.). This allows the controller to be greatly customized for use in specialized applications.
The four digital outputs can be assigned to a number of actions and functions executed by the controller (i.e. alarms, relay acknowledgement, reset max, min, or max & min.). The digital outputs can be used to trigger external alarms or lights to indicate these specific events.
Function Keys & Digital I/O Available Settings
Refer to the following table for descriptions of each available function key or digital I/O setting.
Display
Description
Start
Starts the batch process
Stop
Stops the batch process
srtstp
Allows the same function key to both start and stop the batch process
Rly d
Disable all relays until a button assigned to enable relays (Rly E) is pressed
Rly E
Enable all relays to function as they have been programmed
O Hold
Hold current relay states and analog output as they are until a button assigned to enable relays (Rly E) is pressed
d Hold
Hold the current display value, relay states, and analog output momentarily while the function key or digital input is active. The process value will continue to be calculated in the background.
Ln1 Hi
Display maximum display value on line 1
Ln1 Lo
Display minimum display value on line 1
Ln1 HL
Display maximum & minimum display values on line 1
Ln2 Hi
Display maximum display value on line 2
Ln2 Lo
Display minimum display value on line 2
Ln2 HL
Display maximum & minimum display values on line 2
Ln2 gt
Display the grand total on line 2
Ln2 bc
Display the batch count on line 2
Display
Description
Contrl
Directly access the manual control menu
disabl
Disable the selected function key or digital I/O
AcH
Acknowledge all active relays that are in a manual operation mode such as auto­manual or latching
Reset
Directly access the reset menu
Rst t
Reset the total
Rst gt
Reset the grand total
Rst bc
Reset the batch count
Rst Hi
Reset the maximum display value
Rst Lo
Reset the minimum display value
Rst HL
Reset the maximum & minimum display values
relay
Directly access the relay menu
preset
Change the preset value
Set 2*
Directly access the set point menu for relay 2 (*through 4)
nmenu
Mimic the menu button functionality (digital inputs only)
rigHt
Mimic the right arrow/F1 button functionality (digital inputs only)
up
Mimic the up arrow/F2 button functionality (digital inputs only)
Enter
Mimic the enter/F3 button functionality (digital inputs only)
F On 1*
Force relay 1 (*through 4) into the on state. This function is used in conjunction with a digital input to achieve interlock functionality. See
Setting Up the Interlock Relay (Force On) Feature on page 40 for details
about interlock relays.
Alnm 1*
Provide indication when alarm 1 (*through 4) has been triggered (digital outputs only)
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Internal Source Calibration (ICAL)

The controller is factory calibrated prior to shipment for milliamps and volts with calibration equipment that is certified to NIST standards.
The use of a calibrated signal source is necessary to calibrate the internal source of the controller. The controller’s internal source is what allows the user to scale the controller without applying a signal.
Check calibration of the controller at least every 12 months. Each input type must be recalibrated separately.
Notes:
1. If controller is in operation and it is intended to accept only one input type (e.g. 4-20 mA), recalibration of other input is not necessary.
2. Allow the controller to warm up for at least 15 minutes before performing the internal source calibration procedure.
The Internal calibration menu is part of the Advanced Features menu.
1. Press and hold the Menu button for three seconds to access the advanced features of the meter.
2. Press the Up arrow button to scroll to the Internal calibration menu (ICAL) and press Enter.
3. The controller displays either current calibration (C CAL) or voltage calibration (v CAL), according to the input setup. Press Enter to start the calibration process.
Example of Internal Calibration for current input:
4. The controller displays low input current message (C lo). Apply the low input signal and press Enter. The display flashes for a moment while the controller is accepting the low input signal.
5. After the display stops flashing, a number is displayed with the leftmost digit brighter than the rest. The bright digit is the active digit that can be changed by pressing the Up arrow button. Press the Right arrow button to move to the next digit.
6. Set the display value to correspond to the input signal being calibrated, typically 4.000 mA.
7. The display moves to the high input calibration (C Hi). Apply the high input signal and press Enter.
8. Set the display for the high input calibration, in the same way as it was set for the low input calibration, typically 20.000 mA.
The graphic above shows the calibration of the current input. The voltage input is calibrated in a similar way.
Tips:
• Low and high input signals can be any valid value within the range of the controller.
• Observe minimum input span requirements between input 1 and input 2.
• Low input should be less than high input signal.
Error Message (Error)
An error message indicates that the calibration or scaling process was not successful.
After the error message is displayed, the controller reverts to input 2 during calibration or scaling and to input 1 during internal calibration, allowing the appropriate input signal to be applied or programmed.
The error message might be caused by any of the following conditions:
5. Input signal is not connected to the proper terminals or it is connected backwards.
6. Wrong signal selection in Setup menu.
7. Minimum input span requirements not maintained.
8. Input 1 signal inadvertently applied to calibrate input 2.
Minimum Input Span
The minimum input span is the minimum difference between input 1 and 2 signals required to complete the calibration or scaling of the controller.
Input range
Input 1 & input 2 span
4-20 mA
0.15 mA
10 VDC
0.10 VDC
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Helios PD2-6210 Analog Input Batch Controller
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Troubleshooting

Due to the many features and functions of the controller, it’s possible that the setup of the controller does not agree with what an operator expects to see.
If the controller is not working as expected, refer to the Diagnostics menu and recommendations below.

Diagnostics Menu (diag)

The Diagnostics menu is located in the Advanced Features Menu; to access the Diagnostics menu refer
to page 48. This menu allows the user to test the functionality of
all the controller LEDs, check the controller’s software and version information, and erase the MeterView Pro software installation files from the controller. Press the Enter button to view the settings and the Menu button to exit at any time.
For a description of the diagnostic messages, see Advanced Features Menu & Display Messages, page
48.

Testing the Display LEDs

To test all LEDs on the display:
1. Go to the Diagnostics menu (diAG) and press Enter button.
2. Press Up arrow button and scroll to LED Test menu (led t)
3. Press the Enter button to activate the LED Test. The controller will cycle through all digits, decimal points, and relay indicators to enable the operator to check that all LEDs are functioning properly.
4. Press the Enter button again to access the Information menu (info) or press the Menu button to return to Run Mode.

Determining Software Version

To determine the software version of a controller:
1. Go to the Diagnostics menu (diAG) and press Enter button.
2. Press Up arrow button and scroll to Information menu (Info).
3. Press Enter to access the software number (SFT) and version (UER) information. Write down the information as it is displayed. Continue pressing Enter until all the information is displayed.
4. The controller returns to Run Mode after displaying all the settings.

Reset Controller to Factory Defaults

When the parameters have been changed in a way
that is difficult to determine what’s happening, it might
be better to start the setup process from the factory defaults.
Instructions to load factory defaults:
1. Enter the Advanced Features menu. See Advanced Setup & Programming, page 48.
2. Press Up arrow to go to Diagnostics (diag) menu
3. Press and hold Right arrow for three seconds, press Enter when display flashes reset. Note: If Enter is not pressed within three seconds, the display returns to the Diagnostics menu.
4. The controller goes through an initialization sequence (similar as on power-up) and loads the factory default settings.
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Factory Defaults & User Settings

The following table shows the factory setting for the major programmable parameters on the controller.
Factory Defaults & User Settings
Parameter
Display
Default Setting
Input type
Input
4-20 mA
Total
yes
Total enabled
Units
units
Rate / total / G total mA / mA / mA
Rate decimal point
ddd.ddd
3 Places
Total decimal point
ddddd.d
1 Place
Grand Total decimal point
dddddd
0 Places
Function
Functn
Linear
Number of points
No Pts
2
Programming
prog
Scale
Input 1
InP 1
4.000 mA
Display 1
Dis 1
4.000
Input 2
InP 2
20.000 mA
Display 2
Dis 2
20.000
Display line 1
Line 1
Display batch total
Display line 2
Line 2
Display preset
Display intensity
d-Inty
6
Total time base
T tb
Second
Total conversion factor
T CF
1.000
Batch mode
nmode
Manual
Grand total time base
GT tb
Second
Grand total conversion factor
T CF
1.000 Grand total reset
T rst
Manual
Relay 1 assignment
Asign1
Total
Relay 2 assignment
Asign2
Total
Relay 2 pre­close
preCls
No
Relay 3 assignment
Asign3
Rate
Relay 4 assignment
Asign4
Rate
Relay 1 action
Act 1
Automatic
Batch preset
Preset
100.0
Relay 2 action
Act 2
Automatic
Relay 2 set point
Set 2
200.0
Relay 3 action
Act 3
Automatic
Relay 3 set point
Set 3
3.000
Relay 3 reset point
RSt 3
2.500
Relay 4 action
Act 4
Automatic
Factory Defaults & User Settings
Parameter
Display
Default Setting
Relay 4 set point
Set 4
4.000
Relay 4 reset point
RSt 4
3.500
Fail-safe relay 1
Fls 1
Off
Fail-safe relay 2
Fls 2
Off
Fail-safe relay 3
Fls 3
Off
Fail-safe relay 4
Fls 4
Off
On delay relay 1
On 1
0.0 sec
Off delay relay 1
Off 1
0.0 sec
On delay relay 2
On 2
0.0 sec
Off delay relay 2
Off 2
0.0 sec
On delay relay 3
On 3
0.0 sec
Off delay relay 3
Off 3
0.0 sec
On delay relay 4
On 4
0.0 sec
Off delay relay 4
Off 4
0.0 sec
Loop break relay 1
ignore
Ignore
Loop break relay 2
ignore
Ignore
Loop break relay 3
ignore
Ignore
Loop break relay 4
ignore
Ignore
Display 1 analog out
Dis 1
4.000
Output 1 value
Out 1
4.000 mA
Display 2 analog out
Dis 2
20.000 Output 2 value
Out 2
20.000 mA
Source analog output
Source
Rate/process
Overrange output
O-rang
21.000 mA
Underrange output
u-rang
3.000 mA
Loop break output
break
1.000 mA
Filter
filter
70
Bypass
Bypass
0.2
Cutoff value
CutofF
0.0 (disabled)
Maximum output
nmAx
23.000 mA
Minimum output
nmin
1.000 mA
Slave ID (Address)
SlaVId
247
Baud rate
baud
9600
Transmit delay
Tr dly
50 ms
Parity
Parity
Even
Byte-to-byte timeout
t-byt
010 (0.1 sec)
F1 function key
F1
Start
F2 function key
F2
Preset
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Helios PD2-6210 Analog Input Batch Controller
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Factory Defaults & User Settings
Parameter
Display
Default Setting
F3 function key
F3
Stop
F4 function
F4
Start/Stop
Digital input 1
dI 1
Menu
Digital input 2
dI 2
Right arrow
Digital input 3
dI 3
Up arrow
Digital input 4
dI 4
Enter
Digital output 1-4
dO 1
Alarm 1-4
Password 1
Pass 1
000000 (unlocked)
Password 2
Pass 2
000000 (unlocked)
Password 3
Pass 3
000000 (unlocked)
Total password
Total
000000 (unlocked)
Grand total password
Gtotal
000000 (unlocked)
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Helios PD2-6210 Analog Input Batch Controller
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Troubleshooting Tips

This controller is a highly sophisticated instrument with an extensive list of features and capabilities. If the programming buttons are used to program the controller, it may be a difficult task to keep everything straight. That is why we strongly recommend the use of the free MeterView Pro software for all programming activities. The most recent version of the software is loaded at the factory in the internal controller’s memory. A USB cable is provided for programming the controller using MeterView Pro software.
If you have programmed the controller with the programming buttons and it is not working as intended, try re­programming the controller using MeterView Pro software.
Symptom
Check/Action
No display at all
Check power at power connector
Not able to change setup or programming, Locd is displayed
Controller is password-protected, enter correct six-digit password to unlock or Master Password of 508655.
Controller does not respond to input change
If a Low-Flow Cutoff Value has been programmed, the controller will display zero below that point, regardless of the input – which can appear like the controller is not responding to an input change. Check to make sure the problem is not being caused by an undesired low-flow cutoff value. To prevent the display from showing a negative value, set the low-flow cutoff to a value greater than zero.
Controller displays error message during calibration (Error)
Check:
1. Signal connections
2. Input selected in Setup menu
3. Minimum input span requirements
Controller displays
999999
-99999
Check:
1. Input selected in Setup menu
2. Corresponding signal at Signal connector
Display is unstable
Check:
1. Input signal stability and value
2. Display scaling vs. input signal
3. Filter and bypass values (increase)
Display response is too slow
Check filter and bypass values
Display reading is not accurate
1. Input signal conditioner selected: Linear, square root, etc.
2. Scaling or calibration
Display does not respond to input changes, reading a fixed number
Check:
Display assignment, it might be displaying max, min, or set point.
Display alternates between
1. Hi and a number
2. Lo and a number
Press Menu to exit max/min display readings.
Relay operation is reversed
Check:
1. Fail-safe in Setup menu
2. Wiring of relay contacts
Relay and status LED do not respond to signal
Check:
1. Relay action in Setup menu
2. Set and reset points
Flashing relay status LEDs
Relays in manual control mode or relay interlock switches opened.
Controller not communicating with application programs
Check:
1. Serial adapter and cable
2. Serial settings
3. Controller address and baud rate
If the display locks up or the controller does not respond at all
Cycle the power to reboot the microprocessor. Other symptoms not described above
Call Technical Support for assistance.
Note: Certain sequences of events can cause unexpected results. To solve these issues, it is best to start fresh from factory defaults and use the manual as a step by step programming guide, rather than a random approach to programming. To reset the controller to factory defaults, see Reset Controller to Factory Defaults on page 55. In addition, for best results, we recommend using the free MeterView Pro software for all programming needs.
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Helios PD2-6210 Analog Input Batch Controller
Instruction Manual
PRECISION DIGITAL CORPORATION
233 South Street • Hopkinton MA 01748 USA Tel (800) 343-1001 • Fax (508) 655-8990
www.predig.com
LIM2-6210_D
SFT039 Ver 4.010 & up
08/21
Contact Precision Digital
Technical Support
Call: (800) 610-5239 or (508) 655-7300 Fax: (508) 655-8990 Email: [email protected]
Sales Support
Call: (800) 343-1001 or (508) 655-7300 Fax: (508) 655-8990 Email: [email protected]
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