PRECISION DIGITAL PD6100-7R2, PD6100-6R3, PD6100-7R3, PD6100-6R4, PD6100-7R4 Instruction Manual
...Page 1
PROVU PD6100 Strain Gauge, Load Cell & mV Meter
Instruction Manual
®
R
P
V
S
USB Install
Strain Gauge
U
ERIES
15, 30, 150, 300 mV Unipolar Input Ranges
±15, ±25, ±150, ±250 mV Bipolar Input Ranges
Selectable 5 or 10 VDC @ 350 mA Maximum Sensor Excitation
Supports up to Twelve (12) 350 Ω Load Cells
Capture or Programmable Tare Feature
Auto-Zero Feature Eliminates Zero Drift
Ratiometric Operation
Max/Min or Peak/Valley Hold Feature
Display One Input in Two Different Scales (e.g. Weight & Volume)
Rounding Function 1, 2, 5, 10, 20, 50, or 100
Dual-Line Display
NEMA 4X and IP65 Rated Front Panel
UL Listed & CE Marked
Display Features 0.6
Six Full Digits on Each Line
Optional Superluminous Sunlight Readable Display
Free USB Programming Software & Cable
2 or 4 Relays + Isolated 4-20 mA Output Options
USB, RS-232, & RS-485 Serial Communication Options
External 4-Relay & Digital I/O Expansion Modules
Input Power Options Include 85-265 VAC or 12-24 VDC
Modbus® RTU Communication Protocol Standard
" & 0.46"
Digits
Precision Digital Corporation
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
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.
!
CAUTION: Read complete
instructions prior to installation
and operation of the meter.
This product not recommended for life support
applications or applications where
Warning!
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: Risk of
electric shock or
personal injury.
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.
Registered Trademarks
PROV
Modbus® is a Registered Trademark of Schneider Automation Inc. All other trademarks
mentioned in this document are the property of their respective owners.
®
U
and MeterView® Pro are registered trademarks of Precision Digital Corporation.
© 2017 Precision Digital Corporation. All rights reserved.
2
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Page 3
PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Table of Contents
Table of Contents .................................................. 3
Table of Figures .................................................... 4
Introduction ........................................................... 4
Ordering Information ............................................ 5
Specifications ........................................................ 6
General ....................................................................... 6
Strain Gauge Input ...................................................... 7
Relays ......................................................................... 7
Isolated 4-20 mA Transmitter Output .......................... 8
Modbus® RTU Serial Communications ....................... 8
MeterView Pro ............................................................. 8
Compliance Information ....................................... 9
Safety .......................................................................... 9
Electromagnetic Compatibility ..................................... 9
Safety Information ............................................... 10
Installation ........................................................... 10
Unpacking ................................................................. 10
Panel Mounting Instructions ...................................... 10
Mounting Dimensions ............................................ 11
Sensor Excitation Voltage Selection (EX+, EX-) ....... 11
Connections .............................................................. 12
Connectors Labeling ............................................. 12
Power Connections ............................................... 12
Signal Connections ............................................... 13
Switch Configuration ............................................. 13
Shunt Calibration ................................................... 15
Modbus RTU Serial Communications ................... 16
Relay Connections ................................................ 16
Switching Inductive Loads ..................................... 16
4-20 mA Output Connections ................................ 17
Analog Output Power Supply ................................ 17
F4 Digital Input Connections ................................. 17
External Relays & Digital I/O Connections ............ 18
Interlock Relay Feature ......................................... 18
Setup and Programming .................................... 19
Front Panel Buttons and Status LED Indicators ........ 19
MeterView® Pro Software .......................................... 20
MeterView Pro Installation..................................... 20
Display Functions & Messages ................................. 21
Setting Numeric Values ............................................. 23
Main Menu ................................................................ 23
Setting Up the Meter (setup) .................................... 24
Setting the Input Signal (
Setting the Input Units (
Setting the Input Units or Custom Tags (
Programming the Meter (
Calibrating the Meter with Strain Gauge/Load Cell
(
Cal
) ...................................................................... 28
Setting the Display Parameter & Intensity (
.............................................................................. 30
Setting the Relay Operation (relay) ......................... 31
Setting the Relay Action ........................................ 32
Programming Set and Reset Points ...................... 33
Setting Fail-Safe Operation ................................... 33
Programming Time Delay ...................................... 33
Relay and Alarm Operation Diagrams ....................... 33
Input
) ............................ 25
units
) .............................. 26
prog
) ............................. 28
units
dsplay
) ... 27
)
High Alarm Operation (Set > Reset) ...................... 33
Low Alarm Operation (Set < Reset) ....................... 33
High Alarm with Fail-Safe Operation (Set > Reset) 34
Low Alarm with Fail-Safe Operation (Set < Reset) 34
Pump Alternation Control Operation ...................... 34
Relay Sampling Operation ..................................... 35
Time Delay Operation ............................................ 35
Relay Operation Details ............................................. 36
Overview ................................................................ 36
Relays Auto Initialization ........................................ 36
Fail-Safe Operation ................................................ 36
Front Panel LEDs ................................................... 36
Latching and Non-Latching Relay Operation ......... 37
Non-Latching Relay (
Non-Latching Relay (
Latching Relay (
Latching Relay (
Acknowledging Relays ........................................... 38
Pump Alternation Control Applications (
Setting Up the Interlock Relay (Force On) Feature 40
Scaling the 4-20 mA Analog Output (Aout) ............... 40
Setting Up the Password (pass) ................................ 41
Protecting or Locking the Meter ............................. 41
Making Changes to a Password Protected Meter .. 41
Disabling Password Protection .............................. 41
Reset Menu (reset) .................................................. 42
Tare Menu (Tare) ...................................................... 42
Tare Functionality (
Control Menu (Contrl) .............................................. 42
Advanced Features Menu .......................................... 43
Advanced Features Menu & Display Messages..... 43
Noise Filter (
Noise Filter Bypass (
Rounding Feature (
Modbus RTU Serial Communications (
Select Menu (
Signal Input Conditioning (
Auto-Zero (
Low Cutoff (
Analog Output Programming (
Programmable Function Keys User Menu (
Internal Source Calibration (
Error Message (
Meter Operation ................................................... 50
Front Panel Buttons Operation .................................. 50
Function Keys Operation ........................................... 50
Maximum/Minimum Readings .................................... 51
filter
Auto 0
CutofF
Auto
) .................................... 37
A-man
LatcH
Lt-Clr
tare
).............................................. 44
bypass
round
SElect
) ............................................ 45
) ................................................ 46
) .............................................. 46
error
) ............................... 37
) .......................................... 37
) ........................................ 37
Altern
) ....................................... 42
) ................................. 44
) ..................................... 44
serial
Functn
) ........................ 45
AoutPr
) .................. 46
ICAL
) ......................... 48
) .......................................... 49
) ..... 45
user
Troubleshooting .................................................. 52
Diagnostics Menu (diag) ........................................... 52
Determining Software Version ............................... 52
Reset Meter to Factory Defaults ................................ 52
Factory Defaults & User Settings ........................... 53
Troubleshooting Tips (Including FAULT & ERROR
Messages) ................................................................... 54
EU Declaration of Conformity ............................ 55
) ... 38
) .. 47
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Table of Figures
Figure 1. 1/8 DIN Panel Cutout Dimensions .............. 10
Figure 2. Panel Mounting Details ............................... 10
Figure 3. Meter Dimensions - Side View ................... 11
Figure 4. Meter Dimensions - Top View .................... 11
Figure 5. Sensor Excitation Voltage Selection ......... 11
Figure 6. Connector Labeling for Fully Loaded
PD6100 ................................................................. 12
Figure 7. Power Connections ..................................... 12
Figure 8. Strain Gauge Configuration Switch ........... 13
Figure 9. Strain Gauge Powered by Internal Supply 14
Figure 10. Strain Gauge Powered by External Supply
.............................................................................. 14
Figure 11. Multiple Strain Gauges Connected
Through Junction Box ........................................ 15
Figure 12. mV Transducer Input Connections .......... 15
Figure 13. Shunt Resistor ........................................... 15
Figure 14. Relay Connections ..................................... 16
Figure 15. AC and DC Loads Protection .................... 16
Figure 16. Low Voltage DC Loads Protection ........... 16
Figure 17. 4-20 mA Output Connections .................... 17
Figure 18. F4 Digital Input Connections .................... 17
Figure 19. Expansion Modules & DIN Rail Mounting
Kit .......................................................................... 18
Figure 20. External Relays Module Connections ...... 18
Figure 21. Digital I/O Module Connections ................ 18
Figure 22. Interlock Connections ............................... 18
Figure 23. Acknowledge Relays with Digital Input.... 38
Introduction
The PROV
weighing and force measurement applications. Its superluminous LED digits make it easily readable
in smoke, dust, fog, and, with the optional SunBright® display, even direct sunlight.
It accepts mV input signals up to 300 mV. With a max current of 350 mA at 10 V, it can support up
to twelve (12) 350 Ω load cells (minimum load resistance of 28 Ω), making it ideal for multipoint
weight measurement applications. The mV input can be scaled to display the process in two
different scales; for example, pounds on display line 1 and gallons on line 2. Three of the front panel
buttons can be custom-programmed for a specific operation.
The basic model includes an isolated 5 or 10VDC Sensor power supply that can be used to power
the input Sensor or 24 VDC for other devices. An additional isolated 24 VDC power supply is
included with the 4-20 mA output option.
the meter.
A fully loaded PD6100 meter has the following: four SPDT relays, 4-20 mA output, one 10 VDC
sensor excitation, and one 24 VDC power supply. The PD6100 capabilities may be enhanced by
adding the following external expansion modules: four SPST relays –creating an eight-relay process
meter, two digital I/O modules with four inputs and four outputs each, and RS-232 or RS-485
communication adapters.
The eight relays can be used for alarm indication or process control such as pump alternation
control. The 4-20 mA isolated output, Modbus RTU serial communications, and digital I/O options
make the PD6100 an excellent addition to any system.
®
U
PD6100 is a multipurpose, easy-to-use digital strain gauge & load cell meter ideal for
A digital input (F4) and micro USB port are standard on
4
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Ordering Information
Standard Models
85-265 VAC Model 12-24 VDC Model Options Installed
PD6100-6R0 PD6100-7R0 No options
PD6100-6R2 PD6100-7R2 2 relays (PD1102*)
PD6100-6R3 PD6100-7R3 4-20 mA output (PD1103*)
PD6100-6R4 PD6100-7R4 4 relays (PD1104*)
PD6100-6R5 PD6100-7R5 2 relays & 4-20 mA output (PD1105*)
PD6100-6R7 PD6100-7R7 4 relays & 4-20 mA output (PD1107*)
*Model number for replacement option card.
SunBright Display Models
85-265 VAC Model 12-24 VDC Model Options Installed
PD6100-6H0 PD6100-7H0 No options
PD6100-6H2 PD6100-7H2 2 relays (PD1102*)
PD6100-6H3 PD6100-7H3 4-20 mA output (PD1103*)
PD6100-6H4 PD6100-7H4 4 relays (PD1104*)
PD6100-6H5 PD6100-7H5 2 relays & 4-20 mA output (PD1105*)
PD6100-6H7 PD6100-7H7 4 relays & 4-20 mA output (PD1107*)
*Model number for replacement option card.
Accessories
Model Description
PDA1002 DIN rail mounting kit for two expansion modules
PDA1004 4 SPST (Form A) relays
PDA1044 4 digital inputs & 4 digital outputs (2 may be connected)
PDA1232 RS-232 serial adapter
PDA1485 RS-485 serial adapter
PDA7485-I RS-232 to RS-422/485 isolated converter
PDA7485-N RS-232 to RS-422/485 non-isolated converter
PDA8232-N USB to RS-232 non-isolated converter
PDA8485-I USB to RS-422/485 isolated converter
PDA8485-N USB to RS-422/485 non-isolated converter
PDX6901
Suppressor (snubber): 0.01 µF/470
, 250 VAC
5
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Specifications
Except where noted all specifications apply to operation at +25°C.
General
Display
Display
Intensity
Display
Update Rate
Overrange
Underrange
Display
Assignment
Units
Programming
Methods
Noise Filter
Filter Bypass
Rounding
Recalibration
Max/Min
Display
Password
Non-Volatile
Memory
Line 1: 0.60" (15 mm) high, red LEDs
Line 2: 0.46" (12 mm) high, red LEDs
6 digits each (-99999 to 999999),
with lead zero blanking
Eight user selectable intensity levels
5/second (200 ms)
Display flashes 999999
Display flashes -99999
The displays may be assigned to
PV1, PV2, PCT, max & min, set
points, PV & units, units (lower
display only), net & gross weight,
Modbus input, and display millivolts.
lb, kg, ounce, gram, ton, metric ton
(tonne), custom units.
Four front panel buttons, digital inputs,
PC and MeterView Pro software, or
Modbus registers.
Programmable from 2 to 199 (0 will
disable filter)
Programmable from 0.1 to 99.9% of
calibrated span
Select 1, 2, 5, 10, 20, 50, or 100
(e.g. rounding = 10, value = 123.45,
display = 123.50).
All ranges are calibrated at the
factory. Recalibration is
recommended at least every
12 months.
Max/min readings reached by the
process are stored until reset by the
user or until power to the meter is
cycled.
Three programmable passwords
restrict modification of programmed
settings.
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.
All programmed settings are stored
in non-volatile memory for a
minimum of ten years if power is lost.
Power
Options
Fuse Required external fuse: UL
Isolated
Sensor Power
Supply
Normal Mode
Rejection
Isolation
Overvoltage
Category
Environmental Operating temperature range: -
Connections
Enclosure
Mounting
Tightening
Torque
Overall
Dimensions
Weight
Warranty
85-265 VAC 50/60 Hz, 90-265 VDC,
20 W max or 12-24 VDC 10%, 15 W
max. Powered over USB for
configuration only.
Recognized, 5 A max, slow blow; up
to 6 meters may share one 5 A fuse
Terminals EX+ & EX-: 10 VDC or
5 VDC 10%, rated @ 350 mA max.
Note: Do not use 24 VDC to power
strain gauge bridge.
Greater than 60 dB at 50/60 Hz
4 kV input-to-power line
500 V input-to-output (powered by
external supply)
Installation Overvoltage Category II:
Local level with smaller transient
overvoltages than Installation
Overvoltage Category III.
40 to 65°C
Storage temperature range: -40 to
85°C
Relative humidity: 0 to 90% noncondensing
Removable screw terminal blocks
accept 12 to 22 AWG wire, RJ45 for
external relays, digital I/O, and serial
communication adapters.
1/8 DIN, high impact plastic, UL 94V0, color: black
1/8 DIN panel cutout required:
3.622" x 1.772" (92 mm x 45 mm)
Two panel mounting bracket
assemblies are provided.
Screw terminal connectors: 5 lb-in
(0.56 Nm)
4.68" x 2.45" x 5.64" (119 mm x 62
mm x 143 mm)
(W x H x D)
9.5 oz (269 g)
3 years parts & labor
6
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Strain Gauge Input
Inputs
Accuracy
Minimum Load
Resistance
Maximum
Excitation
Current
Temperature
Drift
Functions
Multi-Point
Linearization
Low-Flow
Cutoff
Decimal Point
Calibration
Range
Input
Impedance
Field selectable: 0-15, 0-30, 0-150,
0-300 mV, ±15, ±25, ±150, ±250
mV, or Modbus PV (Slave)
±0.03% of calibrated span ±1 count
14 Ω @ 5 V
28 Ω @ 10 V
350 mA @ 5 V or 10 V
0.002% of calibrated span/C max
from 0 to 65C ambient,
0.005% of calibrated span/C max
from -30 to 0C ambient
Linear with multi-point linearization
2 to 32 points for PV or PV1
2 to 8 points for PV2 (Dual-scale
feature)
0-999999 (0 disables cutoff function)
Up to five decimal places or none:
d.ddddd, d.dddd, d.ddd, d.dd, d.d, or
dddddd
Input
Range
15 mV 0.2 mV
25 mV, 30 mV 0.4 mV
150 mV 2.0 mV
250 mV, 300 mV 4.0 mV
An Error message will appear if the
input 1 and input 2 signals are too
close together.
Strain Gauge Bridge: Greater than
10 MΩ
mV Source: 200 kΩ
Minimum Span
Input 1 & Input 2
Relays
Rating
Noise
Suppression
Deadband
High Or Low
Alarm
Relay
Operation
Relay Reset User selectable via front panel
Time Delay 0 to 999.9 seconds, on & off relay
Fail-Safe
Operation
Auto
Initialization
2 or 4 SPDT (Form C) internal and/or
4 SPST (Form A) external; rated 3 A
@ 30 VDC and 125/250 VAC
resistive load; 1/14 HP (≈ 50 W) @
125/250 VAC for inductive loads
Noise suppression is recommended
for each relay contact switching
inductive loads; see page 16 for
details.
0-100% of span, user programmable
User may program any alarm for high
or low trip point.
Unused alarm LEDs and relays may
be disabled (turn off).
Automatic (non-latching)
Latching (requires manual
acknowledge)
Sampling (based on time)
Pump alternation control (2 to 8
relays)
Off (disable unused relays and
enable Interlock feature)
Manual on/off control mode
buttons or digital inputs
1. Automatic reset only (nonlatching), when the input passes
the reset point.
2. Automatic + manual reset at any
time (non-latching)
3. Manual reset only, at any time
(latching)
4. Manual reset only after alarm
condition has cleared (L)
Note: Front panel button or digital
input may be assigned to
acknowledge relays
programmed for manual reset.
time delays
Programmable and independent for
each relay
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.
When power is applied to the meter,
relays will reflect the state of the
input to the meter.
7
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Isolated 4-20 mA Transmitter Output
Output Source
Scaling Range
Calibration
Analog Output
Programming
Accuracy
Temperature
Drift
Isolated
Transmitter
Power Supply
External Loop
Power Supply
Output Loop
Resistance
Process variable (PV), max, min, set
points 1-8, Modbus input, or manual
control mode
1.000 to 23.000 mA for any display
range
Factory calibrated: 0.00 to 100.00 =
4-20 mA output
1.000 mA minimum and 23.000 mA
maximum for all parameters:
overrange, underrange, max, min,
and break
± 0.1% of span ± 0.004 mA
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.
Terminals I+ & R: 24 VDC 10%
isolated from the input at >500 V.
May be used to power the 4-20 mA
output or other devices
cell/strain gauge). Refer to Figure 6 on
page 12 and Figure 17 on page
All models rated @ 40 mA max.
35 VDC maximum
Power supply Minimum Maximum
24 VDC
35 V
DC
(external)
10 700
100 1200
(except load
17.
Modbus® RTU Serial Communications
Slave ID
Baud Rate
Transmit
Time Delay
Data
Parity
Byte-to-Byte
Timeout
Turn Around
Delay
Note: Refer to the PROVU® Modbus Register Tables
1 – 247 (Meter address)
300 – 19,200 bps
Programmable between 0 and 199
ms or transmitter always on for RS422 communication
8 bit (1 start bit, 1 or 2 stop bits)
Even, Odd, or None with 1 or 2 stop
bits
0.01 – 2.54 second
Less than 2 ms (fixed)
MeterView Pro
System
Requirements
Communications
Configuration Configure meters one at a time
Microsoft
XP/Vista/7/8/10
USB 2.0 (Standard USB A to Micro
USB B)
®
Windows®
8
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Compliance Information
Safety
UL & c-UL Listed
UL File Number
Front Panel
Low Voltage
Directive
USA & Canada
UL 508 Industrial Control Equipment
E160849
UL Type 4X, NEMA 4X, IP65; panel gasket provided
EN 61010-1:2010
Safety requirements for measurement, control, and laboratory use
Electromagnetic Compatibility
EMISSIONS
Radiated Emissions Class A
AC Mains Conducted
Emissions
IMMUNITY
RFI - Amplitude
Modulated
Electrical Fast
Transients
Electrostatic
Discharge
RFI - Conducted 10V, 0.15-80 MHz, 1kHz 80% AM
AC Surge ±2kV Common, ±1kV Differential
Surge 1KV (CM)
Power-Frequency
Magnetic Field
Voltage Dips 40%V for 5 & 50 periods
Voltage Interruptions <5%V for 250 periods
EN 55022:2010
Class A ITE emissions requirements
Class A
EN 61326-1:2013
Measurement, control, and laboratory equipment
EN 61000-6-2:2005
EMC heavy industrial generic immunity standard
80 -1000 MHz 10 V/m 80% AM (1 kHz)
1.4 - 2.0 GHz 3 V/m 80% AM (1 kHz)
2.0 - 2.7 GHz 1 V/m 80% AM (1 kHz)
±2kV AC mains, ±1kV other
±4kV contact, ±8kV air
30 A/m 70%V for 0.5 period
70%V for 25 periods
Note:
Testing was conducted on PD6100 meters installed through the covers of grounded metal enclosures
with cable shields grounded at the point of entry representing installations designed to optimize EMC
performance.
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Page 10
A
PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Safety Information
!
Installation
There is no need to remove the meter from its case to complete the installation, wiring, and setup
of the meter for most applications.
Instructions are provided for changing the sensor power supply to output 5 or 10 VDC instead of
24 VDC on page 11.
Unpacking
Remove the meter from box. Inspect the packaging and contents for damage. Report damages, if
any, to the carrier.
If any part is missing or the meter malfunctions, please contact your supplier or the factory for
assistance.
CAUTION: Read complete
instructions prior to installation
and operation of the meter.
Hazardous voltages exist within enclosure.
Installation and service should be performed
WARNING!
only by trained service personnel.
WARNING: Risk of electric
shock or personal injury.
Panel Mounting Instructions
Prepare a standard 1/8 DIN panel cutout – 3.622" x 1.772" (92 mm x 45 mm). Refer to Figure below,
for more details.
Clearance: allow at least 6.0" (152 mm) behind the panel for wiring.
Panel thickness: 0.04" - 0.25" (1.0 mm - 6.4 mm).
Recommended minimum panel thickness to maintain Type 4X
rating: 0.06" (1.5 mm) steel panel, 0.16" (4.1 mm) plastic panel.
Remove the two mounting brackets provided with the meter (back-off the two screws so that there is ¼"
(6.4 mm) or less through the bracket. Slide the bracket toward the front of the case and remove).
Insert meter into the panel cutout.
Install mounting brackets and tighten the screws against the panel. To achieve a proper seal, tighten
the mounting bracket screws evenly until meter is snug to the panel along its short side. DO NOT
OVER TIGHTEN, as the rear of the panel may be damaged.
A
3.622" (92 mm)
Square Corners to 0.060"
B
1.772"
(45mm)
Figure 1. 1/8 DIN Panel Cutout
(1.5mm) Max Radius
Panel Cutout
to DIN 43700
Tolerances:
: +0.032 (+0.8mm)
-0.000 (-0.0mm)
B: +0.024 (+0.6mm)
-0.000 (-0.0mm)
Dimensions
Figure 2. Panel Mounting Details
10
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Mounting Dimensions
O
N
C
+
-
R
O
C
N
C
N
N
C
N
O
N
N
N
C
C
C
O
C
Figure 3. Meter Dimensions - Side View
Figure 4. Meter Dimensions - Top View
Sensor Excitation Voltage Selection (EX+, EX-)
All meters, including models equipped with the 12-24 VDC power option, are shipped from the factory
configured to provide 10 VDC excitation for the sensor.
If the sensor requires 5 VDC excitation, the internal jumper J3 must be configured accordingly.
To access the voltage selection jumper:
1. Remove all the wiring connectors.
2. Unscrew the back cover.
3. Slide out the back cover by about 1 ½ inches.
4. Configure the J3 jumper, located behind the input signal connector, for the desired excitation
voltage as shown.
Do not use 24V to power a strain gauge bridge. The
!
Caution!
Factory Default
24 V jumper configuration should only be used for mV
input applications from 4 wire sensors.
Jumper Configuration
MAIN BOARD
INPUT
5V
10 V
24 V
be appied t o J4
No jumper should
4
J
0
V
5
1
V
Figure 5. Sensor Excitation Voltage Selection
SIGNAL
10V
24V
EXSG+
SGEX+
J3
COM
F4
11
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Page 12
PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Connections
All connections are made to removable screw terminal connectors located at the rear of the meter.
Use copper wire with 60°C or 60/75°C insulation for
all line voltage connections. Observe all safety
!
Caution!
Connectors Labeling
The connectors’ label, affixed to the meter, shows the location of all connectors available with requested
configuration.
Do not connect any equipment other than Precision Digital’s
Warning!
expansion modules, cables, or meters to the RJ45 M-LINK connector.
Otherwise damage will occur to the equipment and the meter.
regulations. Electrical wiring should be performed in
accordance with all applicable national, state, and
local codes to prevent damage to the meter and
ensure personnel safety.
SG- SG+
Figure 6. Connector Labeling for Fully Loaded PD6100
Power Connections
Power connections are made to a two-terminal connector labeled
POWER on Figure 6. The meter will operate regardless of DC polarity connection. The + and - symbols are
only a suggested wiring convention.
POWER
-
+
AC or DC
POWER
Required External Fuse:
5 A max, 250 V Slow Blow
Figure 7. Power Connections
12
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Signal Connections
Signal connections are made to a six-terminal connector labeled SIGNAL on Figure 6. The EX+ and EXterminals are used to sense the sensor excitation voltage for ratiometric operation, when the sensor is
powered externally (switch 1 is off).
Switch Configuration
Setup and programming is performed both through the front panel buttons and switch settings shown below.
The switch configuration must correspond to the setup and programming starting on page 29 (same range,
type, etc.).
34
SG- SG+
Figure 8. Strain Gauge Configuration Switch
Excitation (Switch 1)
The excitation switch designates whether the meter will use its internal power supply or an external power
supply.
ON Excitation Internal Excitation
Switch 1
OFF Excitation External Excitation
When switch is turned ON, the ProVu's
power supply is used.
When switch is turned OFF, an external
power supply is used.
Range (Switch 2)
The range switch adjusts the gain of the internal circuitry. Narrower ranges require more amplification.
ON Range Higher internal gain
Switch 2
OFF Range Lower internal gain
Turn this switch ON for the following input
ranges: 15, 30, ±15, or ±25 mV.
Turn this switch OFF for the following input
ranges: 150, 300, ±150, or ±250 mV.
Polarity (Switch 3)
The polarity switch selects whether the range is unipolar and starts at zero (i.e. 0 to 30 mV) or bipolar and
starts at a negative value, or below zero (i.e. -15 to +15 mV).
Switch 3
ON Polarity
OFF Polarity
Range starts at
zero (unipolar)
Range starts below
zero (bipolar)
Turn this switch ON for the following input
ranges: 15, 30, 150, or 300.
Turn this switch OFF for the following input
ranges:
±15, ±25, ±150, or ±250
mV.
Source (Switch 4)
The source switch tells the ProVu whether the input is a strain gauge bridge (i.e. Figure 11), or it is a
signal from a 2 or 4 wire transducer, or mV source (i.e. Figure 12)
Switch 4
ON Source
OFF Source
Source is mV input
transducer
Source is strain
gauge bridge
Turn this switch ON if the connected
source is a transducer*
Turn this switch OFF if the source is a
strain gauge bridge
*Ratio should be set to NO in Setup Input Menu
13
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Shunt Resistor (Switch 5)
The PD6100 provides a means of simulating strain in a strain gauge bridge circuit via a 60.4KΩ shunt
resistor included in the meter. This will simulate an approximate 70% full-scale load in the case of a 350Ω
strain bridge.
Turn switch ON when you want
to simulate a strain load
Turn this switch OFF to remove
the shunt resistor
Switch 5
ON Shunt
OFF Shunt
Shunt resistor is connected to
the input bridge.
Shunt resistor is disconnected
from the input bridge.
Strain Gauge Connections
The following figures show examples of strain gauge connections.
There is a 5-position DIP switch (CONFIG) to set up the input ranges and ratiometric operation.
NOTE: Refer to Switch Configuration starting on page 13 for proper configuration switch
positioning.
INPUT SIGNAL
F4
EX+COM
2134
EX+
SG- SG+
EX-
SG+SG-
5
6
EX-
Figure 9. Strain Gauge Powered by Internal Supply
INPUT SIGNAL
EX+
COM
F4 SG+SG-
2134
EX-
5
6
EX+
SG- SG+
EX-
Figure 10. Strain Gauge Powered by External Supply
+
5-10 VDC
Power
Supply
-
14
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Page 15
NOTE: Refer to Switch Configuration starting on page 13 for proper switch positioning for the
following wiring configurations.
When connecting multiple strain gauges to the meter, each must be wired in parallel. This is typically
done with the use of a junction box.
Junction Box
PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
INPUT SIGNAL
SG+SG-
EX-
5
6
Up to 12
Load Cells
EX+
EX+
F4
EX+COM
2134
EX+
SG- SG+
EX-
SG- SG+
EX-
SG- SG+
EX-
Figure 11. Multiple Strain Gauges Connected Through Junction Box
INPUT SIGNAL
F4
EX+COM
2134
EX+ SG- SG+
3-Wire 100 mV
Transducer
EX-
SG+SG-
5
6
CONFIG
4 5321
ON
Notes
Two-wire mV signals: Connect positive
to SG+ and negative to SG-
Four-wire transducer: Connect EX- to
negative power transducer te rminal .
Figure 12. mV Transducer Input Connections
Shunt Calibration
The PD6100 is equipped with a means of simulating strain in a strain gauge bridge circuit, via an included
shunt resistor in the meter. This technique is performed by enabling the “shunt resistor” switch (switch 5),
which in turn shunts one leg of a connected strain bridge with a predetermined resistive load (60.4k). This
technique can be used as a means of verifying instrumentation by simulating a physical input. With no
load connected, the enabling of the shunt resistor (switch 5) will simulate approximately a 70% F.S. load
in the case of a 350Ω Strain Bridge.
EX+
SG- SG+
EX-
Figure 13. Shunt Resistor
15
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Modbus RTU Serial Communications
Serial communications connection is made to an RJ45 connector labeled M-LINK on Figure 6. Use the
PDA1232 for RS-232 interfacing or the PDA1485 for RS-485 interfacing. The same port is used for
interfacing with all expansion modules (e.g. external relays, digital I/O).
Relay Connections
Relay connections are made to two six-terminal connectors labeled RELAY1 – RELAY4 on Figure 6.
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.
RELAY4 RELAY3
4365 21
CNONO NC NC C
RELAY2 RELAY1
4365 21
CNONO NC NC C
Figure 14. Relay Connections
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 resistor-capacitor (RC) networks assembled by the user or purchased
as complete assemblies. Refer to the following circuits for RC network assembly and installation:
C
C
R
Figure 15. AC and DC Loads Protection
Choose R and C as follows:
R: 0.5 to 1 Ω 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 confi rm proper operation.
3. Install the RC network at the meter's relay screw terminals. An RC network may also be installed
across the load. Experiment for best results.
R
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 16. 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.
16
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
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.
24 V
24 V
RELAY1
321
MA OUT
+
4-20 mA Input
Remote Display,
Chart Recorder, Etc.
RI- I+
132
-
RELAY1
321
+
4-20 mA
Input Meter
-
MA OUT
-
+
12-35 VDC
Power
Supply
RI- I+
132
Figure 17. 4-20 mA Output Connections
Analog Output Power Supply
If the analog output is not using the 24 VDC supply to power the output loop, it can be used for other
things. The I+ Terminal is the +24 V and the R terminal is the return.
F4 Digital Input Connections
A digital input, F4, is standard on the meter. This digital input is connected with a normally open contact
across F4 and COM, or with an active low signal applied to the F4.
The functionality of the F4 input is set up in the Advanced Features, User menu.
INPUT SIGNAL
F4
COM
2134
Figure 18. F4 Digital Input Connections
EX+
SG-
SG+
5
EX-
6
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
External Relays & Digital I/O Connections
The relay and the digital I/O expansion modules PDA1004 & PDA1044 are connected to the meter using
a CAT5 cable provided with each module. The two RJ45 connectors on the expansion modules are
identical and interchangeable; they are used to connect additional modules to the system.
Note: The jumper located between the RJ45 connectors of the PDA1044 must be removed on the second
digital I/O module in order for the system to recognize it as module #2.
Do not connect or disconnect the expansion
modules with the power on!
Warning!
More detailed instructions are provided with
each optional expansion module.
RLY5 RLY6 RLY7 RLY8
12
345678
Figure 19. Expansion Modules & DIN Rail
Mounting Kit
123456
+5 I1 I2 I3 I4 O1
5 VDC GND
DI 1-4 DO 1-4
NO C NO C NO C NO C
Figure 20. External Relays Module
Connections
78
O2 O3
910
O4 G
Figure 21. Digital I/O Module Connections
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 trigger the interlock relay. This
feature is enabled by configuring the relay, and relative digital input(s) (see page 40). In one example, dry
interlock contacts are connected in series to one digital input which will be used to force on (energize) the
assigned interlock power relay when all interlock contacts are closed (safe). The interlock relay front
panel LED flashes when locked out. The interlock relay would be wired in-series with the load (N/O
contact). See below.
18
Figure 22. Interlock Connections
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Setup and Programming
The meter is factory calibrated prior to shipment
to read in millivolts. The calibration equipment is
certified to NIST standards.
Overview
There is a 5-position DIP switch to set the meter input selection. See Figure 8 on page 13 to setup the
switch.
Setup and programming is done through the front panel buttons.
After power and input signal connections have been completed and verified, apply power to the meter.
Front Panel Buttons and Status LED Indicators
Button
Symbol
Note:
Alarms 5-8 are enabled
when relay expansion
module is installed.
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 meter.
Description LED Status
Menu
Right arrow/F1
Zero Meter
Up arrow/F2
Reset Tare
Enter/F3
Tare
1-8 Alarm 1-8 indicator
1-8
M
T
G
1-4
Note:
LEDs for relays in manual
mode flash with the “M” LED
every 10 seconds.
Flashing: Relay in
manual control mode
Flashing: Tare (Net)
Gross
Flashing: Relay
interlock switch open
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
MeterView® Pro Software
The meter can also be programmed using the PC-based MeterView Pro software included with the meter.
This software can be installed on any Microsoft® Windows® (XP/Vista/7/8/10) computer by connecting
the meter’s onboard USB. The meter is powered by the USB connection, so there is no need to wire
anything prior to programming the meter, though USB is intended only for meter configuration.
MeterView Pro Installation
1.
Connect one end of the provided USB cable to the meter and the other end to the computer.
The computer will automatically install the driver
Only one meter may be connected a
A
ttaching multiple meters wi
conflict with the meter software.
2.
Once the driver is installed, an AutoPlay dialog should appear
for the drive “MAINSTAL.” Click “O
If the computer does not display an AutoPlay dialog for the
drive “MAINS
click on the drive labeled “MAINSTAL.”
3.
Double-click on the file named “MAStart.” The program will
open a fe
computer. Simply follow the onscreen instructions until you see
one of the dialogs below. If you receive a “User Ac
Control” warning, click “Yes.”
4.
If there is an update available, click the “Update” button to
install the ne
programming your meter.
TAL,” you should open My Computer and double-
w windows and install two programs
w version. Otherwise, click “Config
ll cause a
t a time.
pen folder to view
software it needs to talk to the meter.
files.”
on your
count
ure” to begin
Note: If you decide to update your MeterView Pro software, once the installation
will be asked if you want to update the setup files located on the meter itself. This way, you will always
have the most current version on the meter for future installs.
Do not unplug the meter while the new installation files are being written to it. The
meter will display
Warning!
Data logging for one meter at a time is available with MeterView Pro software. More advanced data
acquisition may be accomplished by using any Modbus RTU compliant software. Additional information
regarding configuration and monitoring of the meter using MeterView Pro software is available online.
20
notification once the process is complete.
uwrite
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Page 21
PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Display Functions & Messages
The meter 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 Parameter
setup
Input
Polar
uni
bi
range
15 mv
25 mv
30 mv
150mv
250mv
300mv
ratio
d-SCAL
units
Dec pt
Pv 1
Pv 2
prog
SCALE
Setup
Input
Polar
Unipolar
Bipolar
Range
15 mV
25 mV
30 mV
150 mV
250 mV
300 mV
Ratiometric
Dual-Scale
Units
Decimal
point
PV1
PV2
Program
Scale
Action/Setting
Description
Enter Setup menu
Enter Input selection
menu
Enter unipolar or
bipolar selection menu
Press Enter to select
operation with positive
signals only (e.g. 0-30
mV)
Press Enter to select
operation with positive
& negative signals
(e.g. ±15 mV)
Enter range selection
menu
Set meter for 15 mV
input (uni/bi)
Set meter for ±25 mV
input (bi)
Set meter for 30 mV
input (uni)
Set meter for 150 mV
input (uni/bi)
Set meter for ±250 mV
input (bi)
Set meter for 300 mV
input (uni)
Press Enter to select
ratiometric operation to
compensate for
excitation changes.
Press Enter to select
dual-scale display
(Select Yes or No)
Select the display
units/tags
Set decimal point
PV1 decimal point
(dual-scale)
PV2 decimal point
(dual-scale)
Enter the Program
menu
Enter the Scale menu
Display Parameter
SCAL 1
SCAL 2
Cal
Inp 1
Dis 1
Inp 2
Dis 2
Error
dsplay
Line 1
Line 2
d-Inty
RELaY
RLY 1
Act 1
Auto
A-nman
LatCH
Scale 1
Scale 2
Calibrate
Input 1
Display 1
Input 2
Display 2
Error
Display
Line 1
Line 2
Display
intensity
Relay
Relay 1
Action 1
Automatic
Automanual
Latching
Action/Setting
Description
Enter the Scale menu
for PV1
Enter the Scale menu
for PV2
Enter the Calibration
menu
Calibrate input 1 signal
or program input 1
value
Program display 1
value
Calibrate input 2 signal
or program input 2
value (up to 32 points)
Program display 2
value (up to 32 points)
Error, calibration not
successful, check
signal or programmed
value
Enter the Display
menu
Press Enter to assign
the upper display
parameter (default:
PV)
Press Enter to assign
the lower display
parameter (default:
engineering units)
Set display intensity
level from 1 to 8
Enter the Relay menu
Relay 1 setup
Set relay 1 action
Set relay for automatic
reset
Set relay for automatic
& manual reset any
time
Set relay for latching
operation
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Display Parameter
Lt-CLr
Altern
Sanmpl
OFF
Set 1
RSt 1
RLY 2
FaiLSF
FLS 1
on
FLS 2
DeLAY
DLY 1
On 1
OFF 1
DLY 2
Aout
Dis 1
Out 1
Latchingcleared
Alternate
Sampling
Off
Set 1
Reset 1
Relay 2
Fail-safe
Fail-safe 1
On
Fail-safe 2
Delay
Delay 1
On 1
Off 1
Delay 2
Analog
output
Display 1
Output 1
Action/Setting
Description
Set relay for latching
operation with manual
reset only after alarm
condition has cleared
Set relay for
alternation control
Set relay for sampling
operation
Disable relay and front
panel status LED
(Select Off to enable
Interlock feature)
Program set point 1
Program reset point 1
Relays 2-8 setup
Note: Relays 5-8 are
shown, only if
expansion relay
module is installed.
Enter Fail-safe menu
Set relay 1 fail-safe
operation
Enable fail-safe
operation
Set relays 2-8 fail-safe
operation
Enter relay Time Delay
menu
Enter relay 1 time
delay setup
Set relay 1 On time
delay
Set relay 1 Off time
delay
Enter relays 2-8 time
delay setup
Enter the Analog
output scaling menu
Program display 1
value
Program output 1
value (e.g. 4.000 mA)
Display Parameter
Dis 2
Out 2
reset
Rst Hi
Rst Lo
Rst HL
Rst tr
tare
Captur
Prog T
Off
Contrl
Auto
nmAn
pass
Pass 1
Pass 2
Pass 3
unloc
locd
999999
-99999
Display 2
Output 2
Reset
Reset high
Reset low
Reset
high & low
Reset tare
Tare
Capture
Programma
ble
Off
Control
Automatic
Manual
Password
Password 1
Password 2
Password 3
Unlocked
Locked
Flashing
Action/Setting
Description
Program display 2
value
Program output 2
value (e.g. 20.000 mA)
Press Enter to access
the Reset menu
Press Enter to reset
max display
Press Enter to reset
min display
Press Enter to reset
max & min displays
Press Enter to reset
tare
Enter Tare menu
Press Enter to set
meter to capture tare
using the Tare button
Press Enter to set
meter to
programmable tare
and enter a value
Press Enter to disable
the tare function
Enter Control menu
Press Enter to set meter
for automatic operation
Press Enter to manually
control relays or analog
output operation
Enter the Password
menu
Set or enter Password 1
Set or enter Password 2
Set or enter Password 3
Program password to
lock meter
Enter password to
unlock meter
Over/under range
condition
22
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V
A
PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
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.
Select
Next
Digit
004.000
Increment
004.000
dis 1 dis 1 dis 1
Digital
alue
005.000
ccept
Setting
Next
Setting
Main Menu
The main menu consists of the most commonly used functions: Setup, Reset, Tare, Control, and
Password.
Press Menu button 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.
23
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Setting Up the Meter (setup)
The Setup menu is used to select:
1. Unipolar (e.g. 0-30 mV) or bipolar (e.g. ±25 mV) polarity, input range, ratiometric operation, and
dual-scale feature
2. Engineering units
3. Decimal point position
4. Program scaling or live calibration
5. Display parameter and intensity
6. Relay operation
7. 4-20 mA analog output scaling
24
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Setting the Input Signal (Input)
Enter the Input menu to set up the input polarity, range, ratiometric operation, and dual-scale feature.
The meter is capable of accepting any signal from -250 to 250 mV in bipolar mode or up to 300 mV in
unipolar mode.
After selecting “Yes” or “No” for ratio, d-SCAL is displayed. Selecting “Yes” enables the dual-scale
feature, allowing scaling of the same input in two different scales (for PV1 & PV2) or displaying the
percentage of PV1.
polar
If Polarity (
Set to Bi (bi)
)
Input Polarity Selection (PoLAR)
Select unipolar operation for inputs in ranges from 0 to 300 mV and select bipolar operation for inputs in
ranges from -250 mV to +250 mV. This setting determines the selectable ranges for the millivolt input.
NOTE: Refer to Switch Configuration starting on page 13 for proper switch positioning.
Range Selection (RANGE)
This menu is used to select the input range. The selections listed are determined by the Polarity setting.
Unipolar mode: 0-15, 0-30, 0-150, 0-300 mV
Bipolar mode: ±15, ±25, ±150, ±250 mV
NOTE: Refer to Switch Configuration starting on page 13 for proper switch positioning.
Ratiometric Operation (ratio)
Ratiometric operation corrects the measured strain gauge signal for up to ±5% variation of either the
internal or external excitation power supply. In order to use the ratiometric operation, the ratiometric
operation menu must be set to yes (YES).
Dual-Scale (d-sCal)
The analog input can be displayed in two different scales, by enabling the dual-scale feature in the SetupInput menu, see page 25.
To enable the dual-scale feature you must select d-SCAL in the Input selection menu.
25
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Setting the Input Units (units)
Enter the pre-defined engineering unit or custom unit. The pre-defined units have automatic conversion
factors. This unit will be displayed if d unit is selected as the lower display parameter. See the flow
chart on page 30 to access the display menu to show the unit on the lower display.
The custom unit may also be used to enter a display tag.
Pre-defined engineering units: lb, kg, ounce, gram, ton (short), tonne (metric ton). The meter converts
the reading according to the unit selected (e.g. 100.00 lb = 45.36 kg = 45359.2 g = 1600 oz).
Unit Conversions: After scaling values in the Scale menu have been entered during setup, automatic
unit conversions are done when switching from any standard unit to any other standard unit during future
changes of the Units menu.
Once a standard unit has been selected in the units menu, the user must then set their scaling values for
that unit (under the setup menu) in order for that unit's conversion factor to take effect. Otherwise, the
meter will allow the user to freely switch between standard unit selections, without applying a conversion
factor.
Note that if the dual-scale feature is selected in the Setup menu, both PV1 and PV2 will be converted
from the original standard unit to the new standard unit. A scaled PV not scaled for the selected units
must be reprogrammed. Example: If PV 1 is scaled for pounds, and PV 2 scaled for gallons; if the Units
selection is changed from Lb to ounce, PV 2 will need to re-scaled manually back to gallons.
Kg
Note: PV1 and PV2 may use different standard units as starting points, however the user must select the
unit and complete scaling for both PV1 and PV2 individually. For example, set PV1 equal to "Lbs" and
complete the scaling for PV1 only. PV1 is now reading in Lbs. Then, change the units for PV2 to be "Kg"
and complete the scaling for PV2. PV2 will read in kilograms and PV1 will reflect the conversion from Lbs
to Kgs.
26
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Setting the Input Units or Custom Tags (units)
Enter the input unit or custom tag that will be displayed if units are selected in the units menu, or d
unit is selected as the lower display parameter. See the flow chart on page 30 to access the display
menu to show the unit or tag on the lower display. The engineering units or custom legends can be set
using the following 7-segment character set:
Display Character
0
1
2
3
4
5
6
7
8
9
A
b
Notes: Degree symbol represented by (<) if programming with MeterView® Pro. The letters “m” and “w”
use two 7-segment LEDs each; when selected the characters to the right are shifted one position.
Press and hold up arrow to auto-scroll the characters in the display.
0
1
2
3
4
5
6
7
8
9
A
b
Display Character Display Character Display Character
C
c
d
e
f
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nm
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O
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q
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uw
x
y
z
/
[
]
=
!
V
w
X
Y
Z
-
/
]
[
=
Degree(<)
Space
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.
Pressing the Right arrow moves the decimal point one place to the right until no decimal point is
displayed, and then it moves to the leftmost position.
Pressing the Up arrow moves the decimal point to the left.
If the dual-scale feature is selected, the decimal point selections for PV1 & PV2 are enabled.
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Programming the Meter (prog)
The Program menu contains the Scale and the Calibrate menus.
For strain gauge and load cell applications it is recommended to calibrate the meter using the sensor as
the input and with ratiometric operation enabled to compensate for small variation in the excitation
voltage.
It is very important to read the following information, before proceeding to program the meter:
The meter is factory calibrated prior to shipment to read in millivolts. The calibration equipment is
certified to NIST standards.
Use the Scale menu to scale the input (e.g. 0-100 mV). A calibrated signal source is not needed to
scale the meter.
The PD6100 is a single input meter with dual-scale capability.
If the dual-scale feature is selected in the Setup menu, the Scale 1 and Scale 2 menus are enabled for
PV1 & PV2 respectively.
The process inputs may be calibrated or scaled to any display value within the range of the meter.
Program Menu for Single Scale Process
Program Menu for Dual-Scale Applications
Additional parameters, not needed for most applications, are programmed in the Advanced Features
menu; see Advanced Features Menu, page 43.
Calibrating the Meter with Strain Gauge/Load Cell (Cal)
To scale the meter without a signal source, refer to
Scaling the Meter (SCALE), page 29.
The meter can be calibrated to display the process variable in engineering units by applying the
appropriate input signal and following the calibration procedure.
The use of a calibrated signal source is strongly recommended to calibrate the meter.
The displa y flashes
while sensing
the inputs
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Warm up the meter for at
least 15 minutes before
performing calibration to
ensure specified accuracy.
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Page 29
Multi-Point Calibration & Scaling
The meter 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 for PV1 and up to 8 linearization points may be selected for PV2. See page 46 for details.
Scaling the Meter (SCALE)
The strain gauge input (e.g. 0-100 mV) can be scaled to display the process variable in engineering units.
A signal source is not needed to scale the meter; simply program the inputs and corresponding display
values.
PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
For instructions on how to program
numeric values see Setting Numeric
Values, page 23.
Dual-Scale Application
The analog input can be displayed in two different scales, by enabling the dual-scale feature in the Setup Input menu,
see page 25.
To enable the dual-scale feature you must select it in the Input selection menu.
Scaling the Input for PV1 (SCAL 1) Scaling the Input for PV2 (SCAL 2)
Error Message (Error)
An error message indicates that the calibration or scaling process was not successful.
After the error message is displayed, the meter 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 input 2 signals required to complete the calibration or
scaling of the meter.
Input Range Input 1 & Input 2 Span
15 mV 0.2 mV
25 mV, 30 mV 0.4 mV
150 mV 2.0 mV
250 mV, 300 mV 4.0 mV
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Setting the Display Parameter & Intensity (dsplay)
Display line 1 (line 1) can be
programmed to display:
1. Process value 1 (PV1)
2. Process value 2 (PV2)
3. Percent of PV1 (PCt)
4. Relay set points
5. Toggle process value & units
6. Max & min values
7. Gross value
8. Toggle net & gross values
9. Input millivolts
10. Modbus input
Display line 2 (line 2) can be
programmed to display:
1. Engineering units or custom
legends
2. Process value 1 (PV1)
3. Process value 2 (PV2)
4. Percent of PV1 (PCt)
5. Relay set points
6. Toggle process value & units
7. Max & min values
8. Gross value
9. Toggle net & gross values
10. Input millivolts
11. Modbus input
12. Off (no display)
Display Intensity: The meter 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 8.
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
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
!
Caution!
1. Relay action
a. Automatic reset only (non-latching)
b. Automatic + manual reset at any time (non-latching)
c. Latching (manual reset only)
d. Latching with Clear (manual reset only after alarm condition has cleared)
e. Pump alternation control
(automatic reset only)
f. Sampling (the relay is
activated for a user-specified
time)
g. Off (relay state controlled by
Interlock feature)
2. Set point
3. Reset point
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)
input and they will remain in the state
found prior to entering the Relay menu.
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Setting the Relay Action
Operation of the relays is programmed in the Action menu.
The relays may be set up for any of the following modes of
operation:
1. Automatic reset (non-latching)
2. Automatic + manual reset at any time (non-latching)
3. Latching (manual reset only, at any time)
4. Latching with Clear (manual reset only after alarm condition has cleared)
5. Pump alternation control (automatic reset only)
6. Sampling (the relay is activated for a user-specified time)
7. Off (relay state controlled by Interlock feature)
The following graphic shows relay 1 action setup; relay 2-8 are set up in a similar fashion.
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Programming Set and Reset Points
High alarm indication: program set point above reset point.
Low alarm indication: 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.
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 and Alarm Operation Diagrams
The following graphs illustrate the operation of the relays, status LEDs, and ACK button.
High Alarm Operation (Set > Reset)
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.
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For Manual reset mode, ACK can be pressed
anytime to turn "off" relay. For relay to turn back
"on", signal must go above set point, and then go
below it.
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
High Alarm with Fail-Safe
Operation (Set > Reset)
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.
Pump Alternation Control Operation
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Relay Sampling Operation
Input
Set
Reset
Sample
Tim e
Relay
LED
Sample
Tim e
Sample
Tim e
When the signal crosses the set point, the relay trips and the sample time starts. After the sample time
has elapsed, the relay resets. The cycle repeats every time the set point is crossed, going up for high
alarms and going down for low alarms.
The sample time can be programmed between 0.1 and 5999.9 seconds.
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-mAn)” reset mode is selected, the LED follows the reset point and not
the relay state when the relay is acknowledged.
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r
PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Relay Operation Details
Overview
The relay capabilities of the meter expand its usefulness beyond simple indication to provide users with
alarm and control functions. These capabilities include front panel alarm status LEDs as well as either 2
or 4 optional internal relays and/or 4 external relays expansion module. Typical applications include high
or low force, level, or pressure alarms, control applications such as simple on/off control, and relay
alternation control for up to 8 pumps. There are four basic ways the relays can be used:
1. High or Low Alarms with Latching or Non-Latching Relays
2. Simple On/Off Control with 100% Adjustable Deadband
3. Sampling (Based on Time)
4. Alternation Control for up to 8 Pumps
Relays Auto Initialization
When power is applied to the meter, the
front panel LEDs and alarm relays will reflect
the state of the input to the meter. The
following table indicates how the alarm
LEDs and relays will react on power-up
based on the set and reset points.
Alarm #
1 HI 1000 500 499 Off
2 LO 700 900 499 On
3 LO 250 400 499 Off
4 HI 450 200 499 On
HI or LO
Alarm
Set
Point
Reset
Point
Fail-Safe Operation
The following table indicates how the relays behave based on the fail-safe selection for each relay:
Fail-Safe
Selection
Off Open Closed Closed Open Relays go to
On Closed Open Open Closed Relays go to
Note: NO = Normally Open, NC = Normally Closed. This refers to the condition of the relay contacts when
the power to the meter is off.
Front Panel LEDs
The LEDs on the front panel provide status indication for the
following:
The meter is supplied with four 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. The front panel LEDs respond differently for latching
and non-latching relays.
For non-latching relays, the LED is always off during normal condition and always on during alarm
condition, regardless of the state of the relay (e.g. Relay acknowledged after alarm condition).
For latching relays, the alarm LEDs reflect the status of the relays, regardless of the alarm condition. The
following tables illustrate how the alarm LEDs function in relation to the relays and the acknowledge
button (Default: F3 key assigned to ACK).
Non-Alarm State Alarm State Power Failure
NO NC NO NC
non-alarm state
alarm state
LED Status LED Status
1 Alarm 1 5 Alarm 5
2 Alarm 2 6 Alarm 6
3 Alarm 3 7 Alarm 7
4 Alarm 4 8 Alarm 8
Powe
Reading
-Up
Relay
& LED
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Latching and Non-Latching Relay Operation
The relays can be set up for latching (manual reset) or
non-latching (automatic reset) operation.
The On and Off terminology does not refer to the status of
the relay’s coil, which depends on the fail-safe mode
selected.
In latching relay mode, latched relays will reset
(unlatch) when power is cycled.
Warning!
Relay terminology for following tables
Terminology Relay Condition
On Alarm (Tripped)
Off Normal (Reset)
Ack Acknowledged
Non-Latching Relay (Auto)
In this application, the meter 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.
Condition LED Relay
Normal Off Off
Alarm On On
Ack (No effect) On On
Normal Off Off
Automatic reset only
Non-Latching Relay (A-man)
In this application, the meter is set up for automatic and
manual reset at any time (non-latching relay). The LED and
the relay automatically reset when the meter returns to the
normal condition.
The next time an alarm occurs, the operator acknowledges
the alarm manually while the alarm condition still exists.
This causes the relay to reset, but the LED stays on until
the meter returns to the normal condition.
Automatic + manual reset at any time
Condition LED Relay
Normal Off Off
Alarm On On
Normal Off Off
Next Alarm On On
Ack On Off
Normal Off Off
Latching Relay (LatcH)
In this application, the meter is set up for manual reset at any
time. Acknowledging the alarm even if the alarm condition is
still present resets the relay and turns off the LED.
Condition LED Relay
Normal Off Off
Alarm On On
Ack Off Off
Manual reset any time
Latching Relay (Lt-Clr)
In this application, the meter is set up for manual reset only
after the signal passes the reset point (alarm condition has
cleared). Acknowledging the alarm while it is still present has
no effect on either the LED or the relay. When the alarm is
acknowledged after it returns to the normal state, the LED
and the relay go off. Notice that the LED remains on, even
after the meter returns to the normal condition. This is
because, for latching relays, the alarm LED reflects the
status of the relay, regardless of the alarm condition.
Manual reset only after alarm
condition has cleared
Condition LED Relay
Normal Off Off
Alarm On On
Ack (No effect) On On
Normal On On
Ack Off Off
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Acknowledging Relays
There are two ways to acknowledge relays programmed for manual reset:
1. Via the programmable front panel function keys F1-F3 (Assignable via the User menu inside the
Advanced Features menu.
2. Remotely via a normally open pushbutton wired across one of the digital inputs and the +5 V
terminals on the digital I/O modules, or using the F4 digital input (factory default setting), which is
triggered with a contact closure to COM, or with an active low signal (see page 17).
When the ACK button or the assigned digital input is closed, all relays programmed for manual reset are
acknowledged.
Note: The function key and digital input assignment is changed in the Advanced – User menu.
PDA1044 Digital I/O Module
12345678910
+5 I1 I2 I3 I4 O1 O2 O3 O4 G
DI 1-4
ACK
DO 1-4
GND
Figure 23. Acknowledge Relays with Digital Input
Pump Alternation Control Applications (Altern)
For pump control applications where two or more similar pumps are used to control the level of a tank, it
is desirable to have all the pumps operate alternately. This prevents excessive wear and overheating of
one pump over the lack of use of the other pumps.
Up to 8 relays can be set up to alternate every time an on/off pump cycle is completed. The set points
and reset points can be programmed, so that the first pump on is the first pump off.
Application #1: Pump Alternation Using Relays 1 & 2
1. Relays 1 and 2 are set up for pump alternation.
2. Relays 3 and 4 are set up for low and high alarm indication.
Set and Reset Point Programming
Relay Set Point Reset Point Function
1 30.000 10.000 Controls pump #1
2 35.000 5.000 Controls pump #2
3 4.000 9.000 Controls low alarm
4 40.000 29.000 Controls high alarm
Pump Alternation Operation
1. Pump #1 turns on when level reaches 30.000, when level drops below 10.000 pump #1 turns off.
2. The next time level reaches 30.000, pump #2 turns on, when level drops below 10.000 pump #2 turns
off.
3. If the level doesn’t reach 35.000 pump #1 and pump #2 will be operating alternately.
4. If pump #1 cannot keep the level below 35.000 pump #2 will turn on at 35.000, then as the level drops
to 10.000 pump #1 turns off, pump #2 is still running and shuts off below 5.000.
5. Notice that with the set and reset points of pump #2 outside the range of pump #1, the first pump on
is the first pump to go off. This is true for up to 8 alternating pumps, if setup accordingly.
6. Relay #3 will go into alarm if the level drops below 4.000 and relay #4 will go into alarm if the level
exceeds 40.000.
7. Adding the 4 external relays expansion module allows using the 4 SPDT internal relays for pump
alternation and the 4 SPST external relays for high, high-high, low, and low-low alarm indication.
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Application #2: Pump Alternation Using Relays 3 & 4
1. Relays 1 and 2 are set up for low and high alarm indication.
2. Relays 3 and 4 are set up for pump alternation.
The following graphics provide a visual representation of a typical pump alternation application with high
and low alarm monitoring.
1. Relay #4 turns the main pump on at 6000
gallons and turns it off at 1000 gallons.
2. With the Pump Alternation feature activated,
the next time the level reaches 6000 gallons,
relay #3 transfers and starts the backup
pump.
3. If the backup pump is not able to keep up,
and the level reaches 7000 gallons, relay #4
transfers and starts the main pump as well.
4. Relay #2 trips the High Level Alarm at 7500
gallons and resets at 6900 gallons.
5. Relay #1 trips the Low Level Alarm at 495
gallons and resets at 750 gallons.
PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Set and Reset Point Programming
Relay Set Point Reset Point Function
1 495 750 Controls low alarm
2 7500 6900 Controls high alarm
3 7000 900 Controls backup pump
4 6000 1000 Controls main pump
1
MENU
F1
6000
F2
F3
Strain Gauge Signal
Load Cell
2
MENU
F1
6000
3
F2
F3
Strain Gauge Signal
Load Cell
3
MENU
7000
F1
3 4
F2
F3
Strain Gauge Signal
Load Cell
4
MENU
7500
F1
3 4
2
F2
6900
F3
Strain Gauge Signal
Load Cell
5
MENU
F1
4
1
F2
750
F3
495
Strain Gauge Signal
Load Cell
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
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.
SW2
SW1
123456
+5 I1 I2 I3 I4 O1
5 VDC GND
DI 1-4 DO 1-4
78
O2 O3
910
O4 G
Interlock Relay Operation Example
Relays 1 & 2 are configured to energize (their front panel LEDs are off) 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 restart only after the interlock relay is re-activated by the digital inputs (switches).
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 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 display values.
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For instructions on how to program
numeric values see Setting Numeric
Values, page 23.
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Page 41
PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
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.
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.
Protecting or Locking the Meter
Enter the Password menu and program a six-digit password.
For instructions on how to program numeric values see Setting Numeric Values, page 23.
Making Changes to a Password Protected Meter
If the meter is password protected, the meter 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 to the menu. After exiting the programming mode, the meter 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 meter is now unprotected until a new password is entered.
If the correct six-digit password is entered, the meter displays the message unLoc (unlocked) and the
protection is disabled until a new password is programmed.
If the password entered is incorrect, the meter 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 meter.
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Reset Menu (reset)
The Reset menu is used to reset the tare (rst tr) and the maximum or minimum readings (peak or
valley) reached by the process; max & min may be reset at the same time by selecting “reset high & low”
(rst HL).
Note: Resetting the tare resets the max & min readings.
Tare Menu (Tare)
The Tare menu is used to select the tare mode. There are three modes of operation: Capture Tare,
Programmable Tare, and Off.
Capture Tare: Pressing the Tare key zeroes the display and the “T” indicator flashes indicating that tare
is applied to the reading (e.g. Net weight).
Programmable Tare: Program a known value to be subtracted from the display value to obtain the net
value. Pressing Reset tare clears the tare value to zero. Programmable Tare will not tare negative PVs.
Use Capture Tare for negative PVs.
Off: Tare function is disabled and pressing Tare key has no effect.
Tare Functionality (tare)
The tare function zeroes out the display. In the case of scale weight, tare is used to eliminate container
weight and provide net weight readings.
0.2
lbs
Before tare
0.0
lbs
After capture tare
0.2
lbs
After reset tare
Control Menu (Contrl)
The 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.
Once Manual mode is initiated on any relay or
analog output, an LED labeled “M” is turned
on. Every few seconds, all LEDs representing
outputs that are in Manual mode, as well as
the “M” LED flash. This process will continue
as long as any output is in manual mode.
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
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.
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.
Display Parameter Action/Setting
filtEr
bypASs
Round
seriAl
SlaveId
baud
Tr dLY
Parity
t-byt
SelEct
Functn
Linear
Pv 1
Pv 2
No PtS
Filter
Bypass
Rounding
Serial
Slave ID
Baud rate
Transmit
delay
Parity
Time byte
Select
Signal input
conditioning
Linear
PV1
PV2
Number of
points
Set noise filter value
Set filter bypass value
Select rounding value
Set serial communication
parameters
Set slave ID or meter
address
Select baud rate
Set transmit delay for serial
communication
Select parity
Even, Odd, or None with 1
or 2 stop bits
Set byte-to-byte timeout
Enter the Select menu
(function, cutoff, out)
Linear, select number of
points
Set meter for linear function
and select number of
linearization points
Select PV1 number of
linearization points
Select PV2 number of
linearization points
Set PV1 for 2 to 32-point
linearization
Set PV2 for 2 to 8-point
linearization
Display Parameter Action/Setting
SCALE
SCAL 1
SCAL 2
CutofF
Auto 0
AoutPr
Source
O-rang
u-rang
nmAx
nmin
Calib
4 nmA
20 nmA
Scale
Scale 1
Scale 2
Cutoff
Auto Zero
Analog
output
programmin
g
Source
Overrange
Underrange
Maximum
Minimum
Calibrate
4 mA output
20 mA
output
Scaling parameter
Scaling parameter 1
Scaling parameter 2
Set low-flow cutoff
Enter the Auto Zero function
(on/off)
Program analog output
parameters
Select source for the 4-20
mA output
Program mA output for
display overrange
Program mA output for
display underrange
Program maximum mA
output allowed
Program minimum mA
output allowed
Calibrate 4-20 mA output
(internal reference source
used for scaling the output)
Enter mA output value read
by milliamp meter with at
least 0.001 mA resolution
Enter mA output value read
by milliamp meter with at
least 0.001 mA resolution
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Display Parameter Action/Setting
user
F1*
F4
dI I
dO 1
ICal
15nmv
20nmv
User I/O
F1 function
key
F4 function
Digital input
1
Digital
output 1
Internal
source
calibration
15 mV
calibration
20 mV
calibration
Assign function keys and
digital I/O
Assign F1 function key
(*F1/F2/F3)
Assign F4 function (digital
input)
Assign digital input 1 – 8, if
expansion modules are
connected
Assign digital output 1 – 8, if
expansion modules are
connected
Enter internal source
calibration (used for scaling
the meter without a signal
source)
Calibrate 15 mV input range
(internal reference source
used for scaling the input)
Calibrate 30 mV input range
(internal reference source
used for scaling the input)
Display Parameter Action/Setting
100nmv
200nmv
stroff
v Lo
v Hi
Diag
LED t
Info
Erase
100 mV
calibration
200 mV
calibration
Strain offset
mV low
mV high
Diagnostics
LED test
Information
Erase
Calibrate 150 mV input
range (internal reference
source used for scaling the
input)
Calibrate 300 mV input
range (internal reference
source used for scaling the
input)
Calibrate the offset of the
input circuit
Calibrate low mV input (e.g.
0 mV)
Calibrate high mV input (e.g.
100 mV)
Display test and information
Test all LEDs
Display software and S/N
information
Erase MeterView Pro
software stored in meter’s
memory
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 meter 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 meter. 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. This
setting affects the last two digits, regardless of decimal point position. See examples below:
Rounding
Selection
Actual
Value
Display
Value
Actual
Value
Display
Value
1 12.022 12.022 12.023 12.023
5 12.022 12.020 12.023 12.025
10 12.024 12.020 12.025 12.030
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Modbus RTU Serial Communications (serial)
The meter is equipped with serial communications capability as a standard feature using Modbus RTU
Serial Communication Protocol.
The meter may be connected to a PC for initial configuration via the onboard micro USB connection. For
ongoing digital communications with a computer or other data terminal equipment, an RS-232, or RS-485
option is required; see Ordering Information on page 5 for details.
Do not connect any equipment other than
Precision Digital’s expansion modules, cables, or
meters to the RJ45 M-LINK connector. Otherwise
Warning!
Note: More detailed instructions are provided with each optional serial communications
adapter. Note: Refer to the ProVu® Modbus Register Tables
damage will occur to the equipment and the
meter.
When using more than one meter in a multi-drop mode, each meter must be provided with its own unique
address. The meter 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.
Select Menu (SElect)
The Select menu is used to select the signal input conditioner applied to the input (linear), low cutoff,
Auto-zero, and analog output programming.
The multi-point linearization is part of the linear function selection.
Signal Input Conditioning (Functn)
The Function menu is used to select the signal input conditioner applied to the input: linear. The multi-
point linearization is part of the linear function selection.
Meters 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.
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Multi-Point Linearization (Linear)
Meters are set up at the factory for linear function with 2-point linearization. Up to 32 linearization points
can be selected for PV under the linear function. The multi-point linearization can be used to linearize the
display for non-linear signals such as those from level Sensors used to measure volume in odd-shaped
tanks or to convert level to flow using weirs and flumes with complex exponent.
If the dual-scale Level feature has been selected, the menus for PV1 & PV2 are enabled. PV2 can be
programmed with up to 8 linearization points.
Auto-Zero (Auto 0)
Auto-zero corrects for drift that can occur over time that causes the input signal to slowly change. The
meter will continue to read zero despite slow and small changes to the input signal. The auto-zero value
represents the percent of full scale drift that the meter will correct.
Under normal circumstances, when the signal increases quickly, by an amount greater than the auto-zero
percent of full scale, the value will not be adjusted for. Slow signal changes that occur over time at
increments less than the auto-zero value, will not register on the meter (example: dust on a load cell or
sensor drift over time).
Low Cutoff (CutofF)
The low cutoff feature allows the meter to be programmed so that the often-unsteady output from a
differential pressure Sensor, at low flow rates, always displays zero on the meter.
The cutoff value may be programmed from 0 to 999999. The meter will display zero below the cutoff
value. Programming the cutoff value to zero disables the cutoff feature.
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. PV)
2. Overrange: Analog output value with display in overrange condition
3. Underrange: Analog output value with display in underrange condition
4. Max: Maximum analog output value allowed regardless of input
5. Min: Minimum analog output value allowed regardless of input
6. Calibrate: Calibrate the internal 4-20 mA source reference used to scale the 4-20 mA output
Analog Output Source
The source for generating the 4-20 mA output may be assigned to the process variable, maximum or
minimum value reached by the process, one of the set points, or the Modbus PV input.
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Analog Output Calibration
To perform the analog output calibration, it is 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.
PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Programmable Function Keys User Menu (user)
The User menu allows the user to assign the front panel function keys F1, F2, and F3, the digital input F4
(a digital input located on the signal input connector), and up to eight additional digital inputs to access
most of the menus or to activate certain functions immediately (e.g. reset max & min, hold relay states,
etc.). This allows the meter to be greatly customized for use in specialized applications.
Up to eight digital outputs can be assigned to a number of actions and functions executed by the meter
(i.e. alarms, relay acknowledgement, reset max, min, or max & min, tare, and reset tare). The digital
outputs can be used to trigger external alarms or lights to indicate these specific events.
*If installed
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
Rst Hi
Rst Lo
Rst HL
tare
Rst tr
relay
Set 1
Rly d
Rly E
O Hold
d Hold
Ln1 Hi
Reset the stored maximum display
value
Reset the stored minimum display
value
Reset the stored maximum &
minimum display values
Capture tare and zero the display
Reset captured tare and resume
normal operation
Directly access the relay menu
Directly access the set point menu
for relay 1 (*through 8)
Disable all relays until a button
assigned to enable relays (Rly E)
is pressed
Enable all relays to function as they
have been programmed
Hold current relay states as they
are until a button assigned to
enable relays (Rly E) is pressed
Hold the current display value
momentarily while the function key
or digital input is active. The
process value will continue to be
calculated in the background.
Display maximum display value on
line 1
Display Description
Ln1 Lo
Ln1 HL
Ln2nmV
Ln2 Hi
Ln2 Lo
Ln2 HL
zero
F On 1
Contrl
disabl
AcH
Reset
Display minimum display value on
line 1
Display maximum & minimum
display values on line 1
Display the mV input on line 2
Display maximum display value on
line 2
Display minimum display value on
line 2
Display maximum & minimum
display values on line 2
Zero the display (this is different
from capture tare because it cannot
be reset)
Force relay 1 (*through 4) into the
on state. This function is used in
conjunction with a digital input
expansion module to achieve
interlock functionality. See page 40
for details about interlock relays.
Directly access the control menu
Disable the selected function key or
digital I/O
Acknowledge all active relays that
are in a manual operation mode
such as auto-manual or latching
Directly access the reset menu
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Display Description
nmenu
rigHt
up
Mimic the menu button functionality
(digital inputs only)
Mimic the right arrow/F1 button
functionality (digital inputs only)
Mimic the up arrow/F2 button
functionality (digital inputs only)
Display Description
Enter
Alnm 1
Mimic the enter/F3 button
functionality (digital inputs only)
Provide indication when alarm 1
(*through 8) has been triggered
(digital outputs only)
Internal Source Calibration (ICAL)
The meter is factory calibrated prior to shipment to read in millivolts. The
calibration equipment is certified to NIST standards. There is no need to
The internal source allows the user to scale the meter without applying a signal.
The use of calibrated signal sources is necessary to perform the internal source calibration of the meter.
Check calibration of the meter at least every 12 months. Each range must be recalibrated separately.
Notes:
1. mV input: If meter is in operation and it is intended to accept only one input range
(e.g. 0-30 mV), recalibration of other ranges is not necessary.
2. Strain gauge: If the meter is intended to accept a strain gauge bridge input, it is
recommended to use the CAL function with ratiometric compensation turned on.
3. Allow the meter 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 meter displays the first input range (15 mv), press the Up arrow to select any other range (e.g.
100mv. Press Enter to start the calibration process.
Example of Internal Calibration for 100 mV input range:
4. The meter displays the message “stroff” (strain offset), short the SG+, SG- terminals and press
Enter. The low input message is displayed (v lo). Apply the low input signal (e.g. 0.00 mV) and press
Enter. The display flashes for a moment while the meter 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 0.00 mV.
7. The display moves to the high input calibration (v 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 100.00 mV.
perform an internal calibration for new meter.
The graphic above shows the calibration of the 100 mV input range. The other input ranges are calibrated
in a similar way.
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Tips:
Low and high input signals can be any valid values within the range of the meter.
Observe minimum input span requirements between input 1 and input 2.
Low input should be less than high input signal.
PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Error Message (error)
An error message indicates that the calibration or scaling process was not successful.
After the error message is displayed, the meter 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.
Minimum Input Span
The minimum input span is the minimum difference between input 1 and input 2 signals required to complete
the calibration or scaling of the meter.
Input Range Input 1 & Input 2 Span
15 mV 0.2 mV
25 mV, 30 mV 0.4 mV
150 mV 2.0 mV
250 mV, 300 mV 4.0 mV
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Meter Operation
The meter is capable of accepting any signal from -250 to 250 mV in bipolar mode, or 0 to 300 mV in
unipolar mode, and displaying these signals in engineering units from -99999 to 999999 (e.g. a 0-100 mV
signal could be displayed as 0 to 50000). The dual-line display can be customized by the user to operate
in such a way as to satisfy a specific application. Typically, display line 1 is used for the process variable;
while line 2 is used for engineering units, custom legend, or set point indication.
The input signal can be scaled to display the process in two different scales; for example, line 1 could
indicate weight in pounds and line 2 could indicate percent of maximum weight capacity. The meter can
also be set up to display the analog input on line 1 and the Modbus input on line 2. The relays and analog
output can be programmed to operate from the Modbus PV input if the Modbus input has been assigned to
display line 1.
During operation, the meter can be either tared or zeroed. The tare feature is useful for momentarily zeroing
out of the display, in the case where there is additional weight than what is intended to be measured (e.g.
a bucket on the scale is being filled with material). The meter will display a T to indicate that the display has
been tared and taring is resettable via the reset tare operation. The zero feature is useful for permanent
zeroing of the meter, in the case where there has been drift in the strain gauge output over time. The zero
feature will zero out the display without indication or the ability to reset.
Front Panel Buttons Operation
Button Description
Press to enter or exit Programming
Mode.
Press to zero the meter or other
parameter/ function assigned through
the User menu.
Press to reset tare or other
parameter/function assigned through
the User menu.
Press to tare the display value or other
parameters/function assigned through
the User menu.
Function Keys Operation
During operation, the programmable function keys operate according to the way they have been
programmed in the Advanced Features – User menu.
The table above shows the factory default settings for F1, F2, and F3.
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
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 F1-F3 function keys or to the digital inputs in the User menu. Any of
the F1-F3 function keys (buttons) and the digital inputs can be programmed to reset the max & min
readings.
2. Display continuously by assigning either display to max/min through the Display menu.
To display max reading using function key:
1. Press user assigned function key/digital input to display maximum reading since the last reset/powerup.
2. To reset max/min, press the Menu button, then the Up arrow/F2 button until the Reset (Reset) menu
is displayed.
3. Press the Up arrow/F2 button to select reset high (rst Hi), reset low (rst Lo), or reset high and low
(rst HL) is displayed and then press the Enter/F3 button. The max and/or min displays are reset to
actual values.
4. Press Menu to exit max/min display reading.
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.
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Troubleshooting
Due to the many features and functions of the meter, it’s possible that the setup of the meter does not
agree with what an operator expects to see. If the meter is not working as expected, refer to the
Diagnostics menu and consult the recommendations described below.
Diagnostics Menu (diag)
The Diagnostics menu is located in the Advanced Features menu, to access Diagnostics menu see
Advanced Features Menu, page 43.
This menu allows the user to test the functionality of all the meter LEDs, check the meter’s software and
version information, and erase the MeterView Pro software installation files from the meter. 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
43.
Determining Software Version
To determine the software version of a meter:
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 meter returns to Run Mode after displaying all the settings.
Reset Meter 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 Features Menu, page 43.
2. Press Up arrow to go to Diagnostics 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 meter goes through an initialization sequence (similar as on power-up), and loads the factory
default settings.
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PROVU PD6100 Strain Gauge, Load Cell, & mV Meter Instruction Manual
Factory Defaults & User Settings
The following table shows the factory setting for most of the programmable parameters on the meter.
Parameter Display Default Setting
Input type
Input Range
Ratiometic
Dual-scale
Filter
Bypass
Rounding
Function
Number of points
Programming
Input 1
Display 1
Input 2
Display 2
Decimal point
Cutoff value
Auto-zero
Display
assignment
Line 1
Line 2
Display intensity
Relay 1 action
Relay 1 set point
Relay 1 reset
point
Relay 2 action
Relay 2 set point
Relay 2 reset
point
Relay 3 action
Relay 3 set point
Relay 3 reset
point
Relay 4 action
Relay 4 set point
Relay 4 reset
point
Polar
range
ratio
d-SCAl
filter
bypass
round
Functn
No Pts
prog
InP 1
Dis 1
InP 2
Dis 2
ddd.ddd
CutofF
Auto 0
Dsplay
Line 1
Line 2
d-Inty
Act 1
Set 1
RSt 1
Act 2
Set 2
RSt 2
Act 3
Set 3
RSt 3
Act 4
Set 4
RSt 4
Polar = Uni
Range = 30mV
Ratio = Yes
No (Single scale)
70
0.2
1
Linear
2
Scale
0.00 mV
0.00
100.00 mV
100.00
3 places
0.000 (disabled)
0.05% of Full
Scale
PV: Process
variable
Eng units: mV
8
Automatic
10.00
5.00
Automatic
20.00
15.00
Automatic
30.00
25.00
Automatic
40.00
35.00
Paramete
Fail-safe relay 1
Fail-safe relay 2
Fail-safe relay 3
Fail-safe relay 4
On delay relay 1
Off delay relay 1
On delay relay 2
Off delay relay 2
On delay relay 3
Off delay relay 3
On delay relay 4
Off delay relay 4
Display 1 analog
out
Output 1 value
Display 2 analog
out
Output 2 value
Source analog
output
Overrange output
Underrange
output
Maximum output
Minimum output
Slave ID
(Address)
Baud rate
Transmit delay
Parity
Byte-to-byte
timeout
F1 function key
F2 function key
F3 function key
F4 Function
Digital input 1
Digital input 2
Digital input 3
Display Default Setting
Fls 1
Fls 2
Fls 3
Fls 4
On 1
Off 1
On 2
Off 2
On 3
Off 3
On 4
Off 4
Dis 1
Out 1
Dis 2
Out 2
Source
O-rang
u-rang
mAx
min
SlavId
baud
Tr dly
Parity
t-byt
F1
F2
F3
F4
dI 1
dI 2
dI 3
Off
Off
Off
Off
0.0 sec
0.0 sec
0.0 sec
0.0 sec
0.0 sec
0.0 sec
0.0 sec
0.0 sec
0.00
4.000 mA
100.00
20.000 mA
Process Variable
21.000 mA
3.000 mA
23.000 mA
1.000 mA
247
9600
10 ms
Even
010 (0.1 sec)
Zero
Reset Tare
Tare
Acknowledge
relays
Menu
Right arrow/F1
Up arrow/F2
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
Parameter Display Default Setting
Digital input 4
Digital output 1
Digital output 2
Digital output 3
dI 4
dO 1
dO 2
dO 3
Enter/F3
Alarm 1
Alarm 2
Alarm 3
Troubleshooting Tips (Including FAULT & ERROR Messages)
Symptom Check/Action
No display at all Check power at power connector
Not able to change setup or
programming, Locd is displayed
Meter displays error message
during calibration (Error)
Meter is password-protected, enter correct six-digit password to
unlock
Check:
1. Signal connections
2. Input selected in Setup menu
3. Minimum input span requirements
Meter displays
1. 999999
2. -99999
3. fault
Check:
1. Input selected in Setup menu
2. Signal at Signal connector
3. Input exceeds range selected
Display is unstable Check:
1. Input signal stability and value
2. Display scaling vs. input signal
3. Filter and bypass values (increase)
4. Increase Rounding value
Display response is too slow Check filter and bypass values
Display reading is not accurate Check:
1. Signal input conditioner selected: Linear, square root, etc.
2. Scaling or calibration
Display does not respond to
input changes, reading a fixed
Check:
1. Display assignment, it might be displaying max, min, or set point.
number
Display alternates between
Press Menu to exit max/min display readings.
1. Hi and a number
2. Lo and a number
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.
Meter not communicating with
application programs
Check:
1. Serial adapter and cable
2. Serial settings
3. Meter address and baud rate
If the display locks up or the
meter does not respond at all
Other symptoms not described
above
Cycle the power to reboot the
microprocessor.
Call Technical Support for
assistance.
Paramete
Digital output 4
Password 1
Password 2
Password 3
Display Default Setting
dO 4
Pass 1
Pass 2
Pass 3
Alarm 4
000000 (unlocked)
000000 (unlocked)
000000 (unlocked)
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EU Declaration of Conformity
Issued in accordance with ISO/IEC 17050-1:2004.
We,
Precision Digital Corporation
233 South Street
Hopkinton, MA 01748 USA
as the manufacturer, declare under our sole responsibility that the product(s),
Model PD6100 ProVu Series Strain Gauge Meter
to which this declaration relates, is in conformity with the European Union Directives
shown below:
2014/35/EU Low Voltage Directive
2014/30/EU EMC Directive
2011/65/EU RoHS Directive
This conformity is based on compliance with the application of harmonized or applicable
technical standards and, when applicable or required, a European Union notified body
certification.
Standards:
EN 55022:2003
EN 61000-6-2:2001
EN 61010-1:2001
EN 61326:2006
The standards EN 55022:2003, EN 61000-6-2:2001, EN 61010-1:2001, and EN
61326:2006 are no longer harmonized. The requirements of these standards have
been checked against the harmonized standards EN 55022:2010, EN 61000-62:2005, EN 61010-1:2010, and EN 61326:2013 and there were no major technical
changes affecting the latest technical knowledge for the products listed above.
Product Markings:
Signed for and on behalf of Precision Digital Corporation:
Name: Jeffrey Peters
Company: Precision Digital Corporation
Title: President
Date: 04/20/2016
Document No: DoC PD6100 {042016}
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PROVU PD6100 Strain Gauge, Load Cell, & mV MeterInstruction Manual
PRECISION DIGITAL CORPORATION
www. .com
LIM6100_F
SFT071 Ver 4.000 & up
03/17
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