ii UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
About This Document
Abstract
This document provides descriptions and procedures for the Installation, Configuration, Operation, and Troubleshooting of
your UDC2500 Controller.
Symbol Definitions
The following table lists those symbols used in this document to denote certain conditions.
Symbol Definition
This CAUTION symbol on the equipment refers the user to the Product Manual for
additional information. This symbol appears next to required information in the manual.
WARNING
PERSONAL INJURY: Risk of electrical shock. This symbol warns the user of a
potential shock hazard where HAZARDOUS LIVE voltages greater than 30 Vrms, 42.4
Vpeak, or 60 VDC may be accessible. Failure to comply with these instructions
Protective Earth (PE) terminal. Provided for connection of the protective earth (green
or green/yellow) supply system conductor.
Functional earth terminal. Used for non-safety purposes such as noise immunity
improvement. NOTE: This connection shall be bonded to protective earth at the source
of supply in accordance with national local electrical code requirements.
Earth Ground. Functional earth connection. NOTE: This connection shall be bonded to
Protective earth at the source of supply in accordance with national and local electrical
code requirements.
Chassis Ground. Identifies a connection to the chassis or frame of the equipment shall
be bonded to Protective Earth at the source of supply in accordance with national and
local electrical code requirements.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual iii
Figure 5-6 Wiring Connections for 0 to 10 Volts___________________________________________ 76
Figure 5-7 Wiring Connections for 0 to 20 mA or 4 to 20 mA Inputs___________________________ 77
Figure 6-1 Wiring Connections for Calibrating Auxiliary Output______________________________ 84
Figure 8-1 UDC2500 Exploded View __________________________________________________ 101
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual ix
1.1 Overview
Function
UDC2500 Limit Controllers accept input signals from any of several types of external
sensors such as Thermocouples (T/Cs) and Resistance Temperature Detectors (RTDs). It
conditions these signals, as necessary, to derive the equivalent Process Variable (PV)
value that drives various circuits in the controller.
The equivalent PV signal is compared with the Limit control set point and any error
signal from the differential amplifier de-energizes the coil of an electromechanical,
single-pole, dual-throw (SPDT) limit output relay.
When de-energized, the output relay “Locks Out” and remains that way until the PV
input signal drops below the High Limit Set Point or goes above the Low Limit Set Point
and the controller is reset manually via the keyboard or from a remote location (Contact
Input Option).
Introduction
1 Introduction
The contact of the output relay terminates at the rear terminal of the controller to which
you make the appropriate field wiring connections.
A flashing “LIMIT” in the lower display indicates that the output relay is de-energized.
Features
• 90 – 264 Vac or 24 Vac/dc Power Supply
• Input/Output Isolation
• Isolated Auxiliary Current Output / Digital Inputs
• Modbus® RS-485 or Ethernet TCP/IP Communications
High Limit Controller
When the PV input signal is below the limit set point, the output relay energizes. If the
PV signal exceeds the limit set point, the output relay de-energizes and the flashing
“LIMIT” display is turned on.
When the PV signal returns to a value below the limit set point, the controller can be
reset manually using the RESET key or Contact Input Option.
Low Limit Controller
When the PV input signal is above the limit set point, the output relay energizes. If the
PV signal falls below the limit set point, the output relay de-energizes and the flashing
“LIMIT” display is turned on.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 1
Introduction
When the PV signal returns to a value above the limit set point, the controller can be reset
manually using the RESET key or Contact Input Option.
Easy to read displays
The dedicated vacuum fluorescent displays with multi-language prompts make the
operator interface easy to read, understand and operate. Programmed sequences of
displays assure quick and accurate entry of all configurable parameters.
Easy to operate
Simple keystrokes let you select input and range configuration, set the operating
parameters that meet you process control needs now, and change them later to meet new
ones.
Mount anywhere
This instrument is intended for industrial control applications. It must be panel mounted
with the wiring terminals enclosed within the panel. The instrument is environmentally
hardened and, when suitably enclosed, can be mounted anywhere in plant or factory, on
the wall, or even on the process machine itself. The front face is NEMA3 and IP55 rated
and can be easily upgraded to NEMA4X and IP66 for the most severe hose-down
applications. It withstands ambient temperatures up to 55°C (133°F) and resists the
effects of vibration and shock.
Figure 1-1 UDC2500 Operator Interface
2 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
1.1.1 Function of keys
Table 1-1 shows each key on the operator interface and defines its function.
Key Function
• Places the controller in the Configuration Set Up group select mode.
SetupSetup
FunctionFunctionFunction
Sequentially displays Set Up groups and allows the FUNCTION key to
display individual functions in each Set Up group.
• Used in conjunction with the SET UP key to select the individual functions of
a selected Configuration Set Up group.
• Used during field calibration procedure.
Introduction
Table 1-1 Function of Keys
Lower
Lower
Lower
Display
Display
Display
Reset
Reset
Reset
Select
Select
Select
M-A
M-A
M-A
SP
SP
SP
Run
Run
Run
Hold
Hold
Hold
• Selects an operating parameter to be shown in the lower display.
MAN-AUTO This function is not available on the Limit Controller.
RESET Reset the Limit Relay.
This key does not function on the Limit Controller
• Acknowledges a latched alarm 1.
• Acknowledges Diagnostic Messages.
• Increases the selected parameter value.
• Decreases the selected parameter value.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 3
Introduction
1.2 Process Instrument Explorer Software
Overview
Process Instrument Explorer lets you configure your instrument on a desktop/laptop or
Pocket PC. For details see Process Instrument Explorer manual #51-52-25-131.
Features
• Create configurations with intuitive software program running on either a Pocket
PC, a Desktop or a laptop computer. ·
• Create/edit configurations live, just connect software to controller via comm port.·
• Create/edit configurations offline and download to controller later via comm. port.·
• Port types available on every UDC2500:·
o infrared,·
o RS 485,
o Ethernet.·
• Same port types on UDC3200 and UDC3500 allow interconnectivity.
• This software is available in English, Spanish, Italian, German and French.
Figure 1-2 Screen capture of Process Instrument Explorer running on a Pocket
PC
4 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Infrared communications
The infrared connection provides a non-intrusive wireless connection with the instrument
and maintains NEMA4X AND IP66 integrity.
No need to get access to the back of the controller to communicate with the instrument,
no need to take your screw driver to wire the communication cable, no wiring mistake
possible. You can now duplicate an instrument’s configuration, upload or download a
new configuration in a matter of seconds, just by pointing your Pocket PC in the direction
of the instrument.
It takes just a few seconds to upload a configuration from an instrument. You can then
save the configuration file onto your PC or pocket PC for review, modification or
archiving. Furthermore, this software also gives you important maintenance information
on the controller: instantly, get information on the current operating parameters, digital
inputs and alarm status, identify internal or analog input problems.
Question: What if I have several controllers on the same panel? How can I be sure I am
communicating with the correct one?
Answer: The infrared port of the controller is normally “off”. You activate the infrared
port by pressing any controller’s key. You can now communicate. After 4 minutes, the
port will be shut down again. Also, in the Communications Group “IR ENABLE” may be
disabled to prohibit IR communications.
Introduction
Figure 1-3 Depiction of infrared communications
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 5
Introduction
1.3 CE Conformity (Europe)
This product is in conformity with the protection requirements of the following European
Council Directives:
Directive. Conformity of this product with any other “CE Mark” Directive(s) shall not be
assumed.
Product Classification: Class I: Permanently connected, panel-mounted Industrial
Control Equipment with protective earthing (grounding) (EN61010-1).
Enclosure Rating: This controller must be panel-mounted with the rear terminals
enclosed within the panel. The front panel of the controller is rated at NEMA4X and IP66
when properly installed.
Installation Category (Overvoltage Category): Category II (EN61010-1)
Pollution Degree: Pollution Degree 2: Normally non-conductive pollution with
occasional conductivity caused by condensation. (Ref. IEC 664-1)
EMC Classification: Group 1, Class A, ISM Equipment (EN61326, emissions), Industrial
Equipment (EN61326, immunity)
Method of EMC Assessment: Technical File (TF)
73/23/EEC, the Low Voltage Directive, and 89/336/EEC, the EMC
Declaration of Conformity: 51453655
Deviation from the installation conditions specified in this manual, and the special
conditions for CE conformity in Subsection
with the Low Voltage and
ATTENTION
EMC Directives.
2.1, may invalidate this product’s conformity
The emission limits of EN61326 are designed to provide reasonable protection
against harmful interference when this equipment is operated in an industrial
environment. Operation of this equipment in a residential area may cause harmful
interference. This equipment generates, uses, and can radiate radio frequency
energy and may cause interference to radio and television reception when the
equipment is used closer than 30 meters (98 feet) to the antenna(e). In special
cases, when highly susceptible apparatus is used in close proximity, the user may
have to employ additional mitigating measures to further reduce the
electromagnetic emissions of this equipment.
WARNING
If this equipment is used in a manner not specified by the manufacturer, the
protection provided by the equipment may be impaired.
6 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
2.1 Overview
Introduction
Installation of the UDC2500 consists of mounting and wiring the controller according to
the instructions given in this section. Read the pre-installation information, check the
model number interpretation (Subsection
selections, then proceed with installation.
What’s in this section?
The following topics are covered in this section.
2.1 Overview 7
Installation
2 Installation
2.3), and become familiar with your model
TOPIC See Page
2.2 Condensed Specifications 8
2.3 Model Number Interpretation 11
2.4 Control and Alarm Relay Contact Information 13
2.5 Mounting 14
2.6 Wiring 16
2.7 Wiring Diagrams
Composite Wiring Diagram
AC Line Voltage
Input 1 Connections
18
18
19
20
Relay Output
Electromechanical
Solid State
Open Collector
RS-422/485 Communications Option
Ethernet Communications Option
Auxiliary Output and Digital Inputs Option
Transmitter Power using Open Collector Output
Transmitter Power using Auxiliary Output
21
21
22
22
23
24
24
25
2.8 Limit Control Application Diagram25
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 7
Installation
Pre-installation Information
If the controller has not been removed from its shipping carton, inspect the carton for
damage then remove the controller.
• Inspect the unit for any obvious shipping damage and report any damage due to
transit to the carrier.
• Make sure a bag containing mounting hardware is included in the carton with the
controller.
• Check that the model number shown on the inside of the case agrees with what you
have ordered.
2.2 Condensed Specifications
We recommend that you review and adhere to the operating limits listed in Table 2-1
when you install your controller.
Table 2-1 Condensed Specifications
Analog Inputs
Analog Input Signal
Failure Operation
Stray Rejection Common Mode
Digital Inputs (One)
(Optional)
Accuracy:
± 0.25% of full scale typical (± 1 digit for display)
Can be field calibrated to ± 0.05% of full scale typical
16-bit resolution typical
Sampling Rate: Both inputs are sampled six times per second
Temperature Stability: ± 0.01% of Full Scale span / ˚C change—typical
Input Impedance:
4-20 Milliampere Input: 250 ohms
0-10 Volt Input: 200K ohms
All Others: 10 megohms
AC (50 or 60 Hz): 120 dB (with maximum source impedance of 100 ohms) or ± 1 LSB (least
significant bit) whichever is greater with line voltage applied.
DC: 120 dB (with maximum source impedance of 100 ohms) or a ±1 LSB whichever is
greater with 120 Vdc applied.
DC (to 1 KHz): 80 dB (with maximum source of impedance of 100 ohms) or ±1 LSB
whichever is greater with 50 Vac applied.
Normal ModeAC (50 or 60 Hz): 60 dB (with 100 % span peak-to-peak maximum)
+30 Vdc source for external dry contacts or isolated solid state contacts. Digital Inputs are
isolated from line power, earth ground, analog inputs and all outputs except for the Second
Current Output.
8 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Zero-crossing type SPST solid state contacts consisting of a triac N.O. output. Internally
socketed.
Resistive Load: 1.0 amp @ 25°C and 120 or 240 Vac, 0.5 amp @ 55°C and 120 or 240 Vac
Inductive Load: 50 VA @ 120 Vac or 240 Vac
Minimum Load: 20 milliamps
Open Collector Outputs (One or Two)
Socketed assembly replacing a relay. Opto-isolated from all other circuits except current
output and not from each other. Internally powered @ 30 Vdc.
Note: Applying an external power supply to this output will damage the instrument.
Maximum Sink Current: 20 mA
Short-circuit current limit: 100 mA
One or two SPDT Electromechanical relays.
Up to four setpoints are independently set as high or low alarm, two for each relay. Setpoint
can be on Process Variable, Deviation, PV Rate, Communication Shed or Thermocouple
Health. A single adjustable hysteresis of 0.0 to 100.0% is provided.
Alarm Relay Contacts Rating: Resistive Load: 5 amps at 120 Vac or 240 Vac or 30 Vdc
Analog Inputs: are isolated from all other circuits at 850Vdc for 2 seconds, but not from each
other.
Analog Outputs: are isolated from all other circuits at 850Vdc for 2 seconds.
AC Power: is electrically isolated from all other inputs and outputs to withstand a HIPOT
potential of 1900Vdc for 2 seconds per Annex K of EN61010-1.
Relay Contacts: with a working voltage of 115/230 Vac, are isolated from each other and all
other circuits at 345Vdc for 2 seconds.
Baud Rate: 4800, 9600,19,200 or 38,400 baud selectable
Data Format: Floating point or integer
Length of Link:
2000 ft (600 m) max. with Belden 9271 Twinax Cable and 120 ohm termination resistors
4000 ft. (1200 m) max. with Belden 8227 Twinax Cable and 100 ohm termination resistors
Link Characteristics: Two-wire, multi-drop Modbus RTU protocol, 15 drops maximum or up
to 31 drops for shorter link length.
Type: 10Base-T
Length of Link: 330 ft. (100 m) maximum
Link Characteristics: Four-wire, single drop, five hops maximum
IP Address: IP Address is 10.0.0.2 as shipped from the Factory
Recommended network configuration: Use Switch rather than Hub in order to maximize
UDC Ethernet performance
Type: Serial Infrared (SIR)
Length of Link: 3 ft. (1 m) maximum for IrDA 1.0 compliant devices
Baud Rate: 19,200 or 38,400 baud selectable
20 VA maximum (90 to 264 Vac)
15 VA maximum (24 Vac/dc)
10A maximum for 4 ms (under operating conditions), reducing to a maximum of 225 mA (90
to 264 Vac operation) or 750 mA (24 Vac/dc operation) after one second.
CAUTION
power is supplied. Otherwise, the instruments may not start up normally due to voltage drop
from the inrush current.
= 0.4): 3 amps @ 130 Vac or 250 Vac
When applying power to more than one instrument, make sure that sufficient
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 9
Installation
Weight
3 lbs. (1.3 kg)
Environmental and Operating Conditions
Parameter Reference Rated Operative
Ambient Temperature
Relative Humidity
Vibration
Frequency (Hz)
Acceleration (g)
Mechanical Shock
Acceleration (g)
Duration (ms))
Line Voltage (Vdc)
Line Voltage (Vac)
90 to 240 Vac
24 Vac
Frequency (Hz)
(For Vac)
25 ± 3 °C
77 ± 5 °F
10 to 55* 10 to 90* 5 to 90* 5 to 95*
0
0
0
0
+24 ± 1 22 to 27 20 to 27 - -
120 ± 1
240 ± 2
24 ± 1
50 ± 0.2
60 ± 0.2
15 to 55 °C
58 to 131 °F
0 to 70
0.4
1
30
90 to 240
20 to 27
49 to 51
59 to 61
Limits
0 to 55 °C
32 to 131 °F
0 to 200
0.6
5
30
90 to 264
20 to 27
48 to 52
58 to 62
Transportation and
Storage
–40 to 66 °C
–40 to 151 °F
0 to 200
0.5
20
30
- -
- -
- -
- -
- -
* The maximum moisture rating only applies up to 40 °C (104 °F). For higher temperatures, the RH specification is
derated to maintain constant moisture content.
10 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Installation
2.3 Model Number Interpretation
Introduction
Write your controller’s model number in the spaces provided below and circle the corresponding
items in each table. This information will also be useful when you wire your controller.
KEY NUMBER - UDC2500 Single Loop Controller
Digital Controller for use with 90 to 264Vac PowerDC2500
Digital Controller for use with 24Vac/dc PowerDC2501
TABLE I - Specify Contro l Output and/or AlarmsSelection
Description
Selection
Availability
Availability
DC2500 2501
Output #1
Output #2 and Alarm
#1 or Alarms 1 and 2
TABLE II - Communications and Software Selections
Communications
Software Selections
Reserved
Infrared interface
TABLE III - Input 1 can be changed in the field using external resistorsSelecti o n
Input 1
Input 2
Electro Mechanical Relay (5 Amp Form C)
Solid State Relay (1 Amp)
Open Collector transistor output
No Additional Outputs or Alarms
One Alarm Relay Only
E-M Relay (5 Amp Form C) Plus Alarm 1 (5 Amp Form C Relay)
Solid State Relay (1 Amp) Plus Alarm 1 (5 Amp Form C Relay)
Open Collector Plus Alarm 1 (5 Amp Form C Relay)
None
Auxiliary Output/Digital Inputs (1 Aux and 1 DI or 2 DI)
RS-485 Modbus Plus Auxiliary Output/Digital Inputs
CE, UL and CSA (Standard)
CE, UL, CSA and FM
None
Stainless Steel Customer ID Tag - 3 lines w/22 characters/line
None
None
None
TABLE V - Product Manuals
Product Information on CD - All Languages0 _
English Manual (51-52-25-127)E _
Manuals
Certificate
French Manual (51-52-25-127-FR)F _
German Manual (51-52-25-127-DE)G _
Italian Manual (51-52-25-127-IT)I _
Spanish Manual (51-52-25-127-SP)
None
Certificate of Conformance (F3391)
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 11
Installation
Limit Controller Restrictions/Comments:
1. FM approved units with communications are limited to read only.
2. FM approved units are restricted to TC and RTD type inputs.
3. UL listed for regulatory use only.
b
c
II
Input 2 Not Available with Limit Model
_ L _
Figure 2-1 Model Number Interpretation
12 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
2.4 Limit and Alarm Relay Contact Information
Limit Relay
ATTENTION
The Limit relay is designed to operate in a Failsafe mode. This results in momentary
(5 seconds maximum) limit action when power is initially applied, until the unit completes selfdiagnostics. If power is lost to the unit, the Limit Control Relay will still function.
Table 2-2 Limit Relay Contact Information
Installation
Power
Off
On
Alarm Relays
ATTENTION
Alarm relays are designed to operate in a failsafe mode (that is, de-energized during alarm
sate). This results in alarm actuation when power is OFF or when initially applied, until the unit
completes self diagnostics. If power is lost to the unit, the alarms will de-energize and thus the
alarm contacts will close.
Power
Limit
Control
Relay
Wiring
N.O. Open Open
N.C. Closed
N.O. Closed Open
N.C. Open
Variable NOT in Limit State Variable in Limit State Unit
Relay
Contact
Indicators Relay
Contact
Off
Closed
Off
Closed
Table 2-3 Alarm Relay Contact Information
Alarm Relay
Wiring
Variable NOT in Alarm State Variable in Alarm State Unit
Relay
Contact
Indicators Relay
Contact
Indicators
Off
On
Indicators
Off
On
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 13
N.O. Open Open
N.C. Closed
N.O. Closed Open
N.C. Open
Off
Closed
Off
Closed
Off
On
Installation
2.5 Mounting
Physical Considerations
The controller can be mounted on either a vertical or tilted panel using the mounting kit
supplied. Adequate access space must be available at the back of the panel for installation
and servicing activities.
• Overall dimensions and panel cutout requirements for mounting the controller are
shown in
• The controller’s mounting enclosure must be grounded according to CSA standard
C22.2 No. 0.4 or Factory Mutual Class No. 3820 paragraph 6.1.5.
• The front panel is moisture rated NEMA3 and IP55 rated and can be easily upgraded
to NEMA4X and IP66.
Overall Dimensions
mm
inches
Figure 2-2.
Max. panel thickness
19,1
.75
9,0
0,35
92,0 + 0,8
-0,00
3,62 + 0,03
-0,00
Panel
Cutout
92,0 + 0,8
-0,00
3,62 + 0,03
-0,00
Figure 2-2 Mounting Dimensions (not to scale)
17,9
0,70
113,1
4,45
90,6
3,57
108,6
4,28
14 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Mounting Method
Before mounting the controller, refer to the nameplate on the outside of the case and
make a note of the model number. It will help later when selecting the proper wiring
configuration.
Attach screws and
washers here for
water protection
Installation
Mounting Clips
Mounting Procedure
Step Action
Mark and cut out the controller hole in the panel according to the dimension
1
information in
Orient the case properly and slide it through the panel hole from the front.
2
Remove the mounting kit from the shipping container and install the kit as follows:
3
•For normal installation two mounting clips are required. Insert the prongs of the
clips into the two holes in the top and bottom center of the case (
•For water-protected installation four mounting clips are required. There are two
options of where to install the mounting clips: 1) Insert the prongs of the clips into
the two holes on the left and right side of the top and bottom of the case or 2) on
the center on each of the four sides (
•Tighten screws to 2 lb-inch (22 N•cm) to secure the case against the panel.
CAUTION: Over tightening will cause distortion and the unit may not seal properly.
For water-protected installations, install four screws with washers into the four
4
recessed areas in the corners of the bezel (
through the center piercing the elastomeric material and then tighten screws to 5 lb-in
(56 N•cm).
Figure 2-3 Mounting Method
Table 2-4 Mounting Procedure
Figure 2-2.
Figure 2-3).
Figure 2-3).
Figure 2-3). Push the point of the screw
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 15
Installation
2.6 Wiring
2.6.1 Electrical Considerations
Line voltage wiring
This controller is considered “rack and panel mounted equipment” per EN61010-1,
Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory
Use, Part 1: General Requirements. Conformity with 72/23/EEC, the Low Voltage
Directive requires the user to provide adequate protection against a shock hazard. The
user shall install this controller in an enclosure that limits OPERATOR access to the rear
terminals.
Mains Power Supply
This equipment is suitable for connection to 90 to 264 Vac or to 24 Vac/dc 50/60 Hz,
power supply mains. It is the user’s responsibility to provide a switch and non-time delay
(North America), quick-acting, high breaking capacity, Type F (Europe), 1/2A, 250V
fuse(s), or circuit-breaker for 90-264 Vac applications; or 1 A, 125 V fuse or circuit
breaker for 24 Vac/dc applications, as part of the installation. The switch or circuitbreaker shall be located in close proximity to the controller,
OPERATOR. The switch or circuit-breaker shall be marked as the disconnecting device
for the controller.
CAUTION
When applying power to multiple instruments, make certain that sufficient current is
supplied. Otherwise, the instruments may not start up normally due to the voltage drop
caused by the in-rush current.
Applying 90-264 Vac to an instrument rated for 24 Vac/dc will severely
damage the instrument and is a fire and smoke hazard.
within easy reach of the
Controller Grounding
PROTECTIVE BONDING (grounding) of this controller and the enclosure in which it is
installed shall be in accordance with National and Local electrical codes. To minimize
electrical noise and transients that may adversely affect the system, supplementary
bonding of the controller enclosure to a local ground, using a No. 12 (4 mm
2
) copper
conductor, is recommended.
Control/Alarm Circuit Wiring
The insulation of wires connected to the Control/Alarm terminals shall be rated for the
highest voltage involved. Extra Low Voltage (ELV) wiring (input, current output, and
low voltage Control/Alarm circuits) shall be separated from HAZARDOUS LIVE (>30
Vac, 42.4 Vpeak, or 60 Vdc) wiring per Permissible Wiring Bundling,
16 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Table 2-5.
Electrical Noise Precautions
Electrical noise is composed of unabated electrical signals which produce undesirable
effects in measurements and control circuits.
Digital equipment is especially sensitive to the effects of electrical noise. Your controller
has built-in circuits to reduce the effect of electrical noise from various sources. If there
is a need to further reduce these effects:
• Separate External Wiring—Separate connecting wires into bundles
(See Permissible Wiring Bundling through separate conduit metal trays.
Use Suppression Devices—For additional noise protection, you may want to add
suppression devices at the external source. Appropriate suppression devices are
commercially available.
ATTENTION
For additional noise information, refer to document number 51-52-05-01, How to Apply Digital Instrumentation in Severe Electrical Noise Environments.
Permissible Wiring Bundling
Installation
Table 2-5) and route the individual bundles
Table 2-5 Permissible Wiring Bundling
Bundle No. Wire Functions
1
2 Analog signal wire, such as:
3
• Line power wiring
• Earth ground wiring
• Line voltage control relay output wiring
• Line voltage alarm wiring
• Input signal wire (thermocouple, 4 to 20 mA, etc.)
• 4-20 mA output signal wiring
Digital input signals
• Low voltage alarm relay output wiring
• Low voltage wiring to solid state type control circuits
• Low voltage wiring to open collector type control circuits
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 17
Installation
A
2.7 Wiring Diagrams
Identify Your Wiring Requirements
To determine the appropriate diagrams for wiring your controller, refer to the model
number interpretation in this section. The model number of the controller can be found on
the outside of the case.
Wiring the Controller
Using the information contained in the model number, select the appropriate wiring
diagrams from the composite wiring diagram below. Refer to the individual diagrams
listed to wire the controller according to your requirements.
uxiliary Output
and Digital Inputs
Terminals
See Figure 2-17
AC Line Voltage
Terminals
See Figure 2-5
Outputs 3 and 4
Terminals
See Figures 2-8
through 2-14
See Figures 2-15 and 2-16
L1
L2/N
4
5
6
7
8
9
Communications
Terminals
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Limit Relay
Terminals
See Figures 2-8
through 2-14
Not
Used
Input #1
Terminals
See Figure 2-6
xxxx
Figure 2-4 Composite Wiring Diagram
18 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Installation
A
1
3
C/DC
Line
Voltage
1
PROTECTIVE BONDING (grounding) of this controller and the enclosure in which it is
2
Ground
Neutral
Hot
10
L1
11
L2/N
4
5
6
7
8
9
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
installed, shall be in accordance with National and local electrical codes. To minimize
electrical noise and transients that may adversely affect the system, supplementary
bonding of the controller enclosure to local ground using a No. 12 (4 mm
2
) copper
conductor is recommended. Before powering the controller, see “Prelimnary Checks”
in this section of the Product Manual.
2
It is the user’s responsibility to provide a switch and non-time delay (North America),
quick-acting, high breaking capacity, Type F (Europe), 1/2A, 250V fuse(s), or circuitbreaker for 90-264 Vac applications; or 1 A, 125 V fuse or circuit breaker for 24 Vac/dc
applications, as part of the instal lat ion.
3
CAUTION
Applying 90-264 Vac to an instrument rated for 24 Vac/dc will severely
damage the instrument and is a fire and smoke hazard.
xxxx
Figure 2-5 Mains Power Supply
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 19
Installation
Ω
Input #1
Millivolt or Volts
–
Xmitter
+
RTD
Power
Supply
250
except 0-10 Volts
25
2627+
R
–
source
mV or
Volt
source
+
–
Thermocouple Differential
Use Thermocouple
25
1
–+
26
27
extension wire only
R
+
–
+
–
2
–
+
Thermocouple
Use Thermocouple
extension wire only
3
25
R
26
+
–
27
0-10 Volts Milliamps
25
26
27
R
+
–
+
1
100K
0–10
Volt
source
1
2
3
2
1
100K
3
–
The 250 ohm resistor for milliamp inputs or the voltage divider for 0-10 Volt inputs are supplied
with the controller when those inputs are specified. These items must be installed prior to start
up when the controller is wired. For 0-20 mA applications, the resistor should be located at the
transmitter terminals if Burnout detection is desired.
Splice and tape this junction between the two thermocouples. This junction may be located
anywhere between the thermocouples and the instrument terminals, it does not need to be close
to the other thermocouple junctions. Both thermocouples must be of the same type. For best
accuracy, the two thermocouples should be matched or, preferably, made from the same batch
of wire.
This controller does not produce a steady current for burnout detection. For that reason, when a
thermocouple is used in parallel with another instrument, it may be desirable to configure the
burnout selection for this controller to “NOFS” and use the burnout current from the other
instrument to also drive this controller.
25
R
+
26
27
–
25
R
26
+
–
27
xxxx
Figure 2-6 Input 1 Connections
20 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
A
A
A
A
N.C.
N.O.
L1
Output
Relay#1
L2/N
4
Load
Supply
Power
Load
Supply
Power
Electromechanical relays are rated at Amps @120 Vac or 30 Vdc and 2.5 Amps at 240 Vac.
1
Customer should size fuses accordingly. Use Fast Blo fuses only.
Relay Load
To terminal
2
Relay Load
To terminal
1
4 or 6
7 or 9
5
6
7
8
9
N.C.
N.O.
N.C.
N.O.
larm
Relay#2
larm
Relay#1
Figure 2-7 Electromechanical Relay Output
19
20
21
22
23
24
25
26
27
Installation
Relay Load
To terminal
19 or 21
1
Load
Supply
Power
xxxx
Load
Supply
Power
Load
Supply
Power
2
3
19
Dummy Resistor
Output
L1
Relay#1
L2/N
4
Relay Load
2
Relay Load
3
If the load current is less than the minimum rated value of 20 mA, then there may be residual voltage across both
1
ends of the load even if the relay is turned off. Use a dummy resistor as shown to counteract this. The total
current through the resistor and the the load must exceed 20 mA. Solid State Relays are zero-crossing type.
Solid State relays are rated at 1 Amp at 25°C and derated linearly to 0.5 Amp at 55°C. Customer should size
fuse accordingly. Use Fast Blo fuses only.
Electromechanical relays are rated at 5 Amps @120 Vac or 30 Vdc and 2.5 Amps at 240 Vac.
Customer should size fuse s accordingly. Use Fast Blo fuses only.
To terminal
4 or 6
To terminal
7 or 9
5
6
7
8
9
N.C.
Relay#2
N.O.
N.C.
N.O.
Relay#1
larm
larm
N.O.
20
21
22
23
24
25
26
27
Relay Load
Figure 2-8 Solid State Relay Output
1
Load
Supply
Power
2
xxxxx
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 21
Installation
A
A
Load
Supply
Power
Relay Load
2
Load
Supply
Power
CAUTION
1
2
Electromechanical relays are rated at 5 Amps @120 Vac or 30 Vdc and 2.5 Amps at 240 Vac.
Customer should size fuses accordingly. Use Fast Blo fuses only.
Relay Load
2
Open collector outputs are internally powered at +30 Vdc. Connecting an external
power supply will damage the controller.
To terminal
4 or 6
To terminal
7 or 9
Time Simplex
L1
Output #1
L2/N
4
5
6
7
8
9
N.C.
N.O.
N.C.
N.O.
1
larm
Relay#2
larm
Relay#1
Customer Supplied
19
+
20
21
–
22
23
24
25
26
27
+
–
Customer Supplied
Solid-State relay
Electromechanical relay
+
–
xxxx
Figure 2-9 Open Collector Output
COMMUNICATION MASTER
SHLD D– (A)
D+ (B)
1
2
16 SHLD
17 D+ (B)
18 D– (A)
SHLD
D+
D–
120 OHMS
Connect shield
TO OTHER
COMMUNICATION
CONTROLLERS
D+D–
120 OHMS ON LAS T LEG
Do not run the communications lines in the same conduit as AC power.
1
Use shielded twisted pair cables (Belden 9271 Twinax or equivalent).
Figure 2-11 and Table 2-6 shows how to connect a UDC to a MDI Compliant Hub or
Switch utilizing a
straight-through cable or for connecting a UDC to a PC utilizing a
crossover cable.
Table 2-6 Terminals for connecting a UDC to a MDI Compliant Hub or Switch
UDC Terminal UDC Signal Name RJ45 Socket Pin # Switch Signal
Name
Position 14 Shield Shield Shield
Position 15 RXD- 6 TXDPosition 16 RXD+ 3 TXD+
Position 17 TXD- 2 RXDPosition 18 TXD+ 1 RXD+
Table 2-7 shows how to connect a UDC directly to a PC utilizing a straight-through cable
(wiring the UDC cable this way makes the necessary cross-over connections)
Table 2-7 Terminals for connecting a UDC directly to a PC utilizing a straight-
through cable
UDC Terminal UDC Signal Name RJ45 Socket Pin # PC Signal Name
Position 14 Shield Shield Shield
Position 15 RXD- 2 TXDPosition 16 RXD+ 1 TXD+
Position 17 TXD- 6 RXDPosition 18 TXD+ 3 RXD+
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 23
Installation
_ A
y
Ω
_
A
A
_
Ω
13
12
Auxiliary Output
+
Connect shield
to ground at one
end only.
uxiliar
Load
0 - 1000
10
11
12
13
+
Digital Inputs
Connect shield
to ground at one
end only.
Digital
Input #1
Figure 2-12 Auxiliary Output and Digital Inputs Option Connections
xxxx
2 Wire Transmitter
1
+
5 +
250
6 -
If necessary, install a zener diode here to reduce voltage at the
1
transmitter. A 1N4733 will reduce the voltage at the transmitter to
approximately 25 Vdc.
Configure:
2S1TY = NONE
2S2TY = NONE
26 +
27 -
INPUT 1OUTPUT 3
xxxx
Figure 2-13 Transmitter Power for 4-20 mA — 2 wire Transmitter Using Open
Collector Alarm 2 Output
24 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Installation
_
A
Ω
A
2 Wire Transmitter
1
250
12 +
+
13 -
UXILIARY OUTPUT
If necessary, install a zener diode here to reduce voltage at the
1
transmitter. A 1N4733 will reduce the voltage at the transmitter to
approximately 25 Vdc.
Figure 2-14 Transmitter Power for 4-20 mA — 2 Wire Transmitter
Figure 2-15 shows the RIGHT and WRONG way to wire your Limit Controller.
PROCESS
CONTROLLER
POWER
POWER
The Limit Controller
against a failure of the Control relay
WRONGRIGHT
PROCESS
CONTROLLER
CONTROL
LOAD
RELAY/
2
SOLENOID
CAN
1
The Limit Controller
against a failure of the Control relay
1
LOAD
CANNOT
LIMIT
CONTROLLER
CONTROL
2
RELAY/
SOLENOID
protect
POWER
POWER
LIMIT
CONTROLLER
protect
Figure 2-15 Limit Controller Application Diagram
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 25
Configuration
3.1 Overview
Introduction
Configuration is a dedicated operation where you use straightforward keystroke
sequences to select and establish (configure) pertinent control data best suited for your
application.
To assist you in the configuration process, there are prompts that appear in the upper and
lower displays. These prompts let you know what group of configuration data (Set Up
prompts) you are working with and also, the specific parameters (Function prompts)
associated with each group.
Table 3-1 shows an overview of the prompt hierarchy as it appears in the controller.
What’s in this section?
3 Configuration
The following topics are covered in this section.
Table 3-1 Configuration Topics
TOPIC See Page
3.1 Overview 26
3.2 Configuration Prompt Hierarchy 27
3.3 Configuration Procedure 28
3.4 Tuning Set Up Group 29
3.5 Limit Set Up Group 30
3.6 Input 1 Set Up Group 31
3.7 Options Set Up Group 35
3.8 Communications Set Up Group 37
3.9 Alarms Set Up Group 39
3.10 Display Set Up Group 43
3.11 P.I.E. Tool Ethernet and Email Configuration Screens45
3.12 Configuration Record Sheet 48
26 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
3.2 Configuration Prompt Hierarchy
Table 3-2 Configuration Prompt Hierarchy
Set Up Group Function Prompts
Configuration
LOCK
LIMIT
INPUT1
OPTIONS
COM
ALARMS
DISPLY
STATUS
SECUR LOCK
LOorHI POWRUP SPMAX SPMIN DISPLY
IN1TYP XMITR1 IN1 HI IN1 LO BIAS 1 FILTR1 BRNOUT EMISS
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 27
Configuration
3.3 Configuration Procedure
Introduction
Each of the Set Up groups and their functions are pre-configured at the factory.
The factory settings are shown in Section
If you want to change any of these selections or values, follow the procedure in
3-3
. This procedure tells you the keys to press to get to any Set Up group and any
associated Function parameter prompt.
Procedure
ATTENTION
The prompting scrolls at a rate of 2/3 seconds when the SET UP or FUNCTION key is held in.
Also,
or keys will move group prompts forward or backward at a rate twice as fast.
Table 3-3 Configuration Procedure
Step Operation Press Result
1
2
3
4
5
6
Enter Set Up
Mode
Select any Set
Up Group
Select a Function
Parameter
Change the
Value or
Selection
Enter the Value
or Selection
Exit Configuration
SetupSetup
SetupSetup
FunctionFunctionFunction
or
FunctionFunctionFunction
Lower
Lower
Lower
Display
Display
Display
Upper Display = SET
Lower Display = LOCK (This is the first Set Up Group title)
Sequentially displays the other Set Up group titles shown in
the prompt hierarchy in
Hierarchy
You can also use the
groups in both directions. Stop at the Set Up group title that
describes the group of parameters you want to configure.
Then proceed to the next step.
Upper Display = the current value or selection for the first
Lower Display =the first Function prompt within that Set Up
Sequentially displays the other function prompts of the Set
Up group you have selected. Stop at the function prompt
that you want to change, then proceed to the next step.
Increments or decrements the value or selection that
appears for the selected function prompt. If you change the
value or selection of a parameter while in Set Up mode then
decide not to enter it, press M-A/RESET once—the original
value or selection is recalled.
Enters value or selection made into memory after another
key is pressed.
Exits configuration mode and returns controller to the same
state it was in immediately preceding entry into the Set Up
mode. It stores any changes you have made.
If you do not press any keys for 30 seconds, the controller
times out and reverts to the mode and display used prior to
entry into Set Up mode.
3.12.
Table 3-2 Configuration Prompt
.
or keys to scan the Set Up
function prompt of the selected Set Up
group.
group.
Table
28 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
3.4 Lock Set Up Group
Introduction
The Lock Set Up group contains the Function parameters that will allow your controller
to protect Configuration and Calibration data.
Because this group contains functions that have to do with Security and Lockout, it is
best to configure this group last, after all the other configuration data has been loaded.
Function Prompts
Table 3-4 LOCK Group Function Prompts
Configuration
Function Prompt
Lower Display
SECUR
LOCK
Selection or Range of Setting
Upper Display
0 to 4095 When “LOCK” is configured as “NONE”, the
Security Code number is displayed and can
be changed using the raise/lower keys
NONE
CAL
CONF
+SP
NONE – all parameters are read/write
CAL - all parameters are read/write except
Calibration
CONF – configuration parameters are Read
Only; no writes permitted
+SP – Only the Lockout group is available for
read/write. Setpoint value is Read Only.
Parameter
Definition
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 29
Configuration
3.5 Limit Set Up Group
Introduction
This data deals with the type of Limit Control you want, power up Logic, setpoint high
and low limits, and the default display function Prompts
Table 3-5 LIMIT Group Function Prompts
Function Prompt
Lower Display
LOorHI
POWRUP
SP_MAX
Selection or Range of Setting
Upper Display
LOW
HIGH
RST
NORM
0 % to 100 % of input in
engineering units
Parameter
Definition
LOW - Limit Control - latching relay deenergizes when PV goes below configured
setpoint; cannot be reset until PV rises
above configured setpoint and M-A RESET
key is pressed.
HIGH - Limit Control - latching relay deenergizes when PV goes above configured
setpoint; cannot be reset until PV drops
below configured setpoint and M-A RESET
key is pressed.
RST - after power down, the controller
latching relay will have to be reset.
NORM - after power down, the controller will
operate normally in the same mode as
before power was removed unless a limit has
been exceeded. If the limit was latched at
power down, the unit will be in “Limit” at
power up and have to be reset.
HIGH SETPOINT LIMIT - this selection
prevents the setpoint from going above the
value selected here. The setting must be
equal to or less than the upper range of the
input.
SP_MIN
DISPLY
0 % to 100 % of input in
engineering units
PROC
SP
LOW SETPOINT LIMIT - this selection
prevents the setpoint from going below the
value selected here. The setting must be
equal to or greater than the lower range of
the input.
PROC - Process Variable - PV will be
displayed in the upper display.
SP - Setpoint - if configured the setpoint will
be displayed in the upper display. “SP” will
appear in the lower display.
30 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
3.6 Input 1 Set Up Group
Introduction
This data deals with various parameters required to configure Input 1.
Function Prompts
Table 3-6 INPUT 1 Group Function Prompts
Configuration
Function Prompt
Lower Display
IN1TYP
Selection or Range of Setting
Upper Display
B
E H
E L
J H
J M
J L
K H
K M
K L
NNMH
NNML
NICH
NICL
R
S
T H
T L
W H
W L
100H
100L
200
500
RADH
RADI
0-20
4-20
10m
50m
100m
0-5
1-5
0-10
TDIF
PR
Parameter
Definition
INPUT 1 ACTUATION TYPE – This
selection determines what actuation you are
going to use for Input 1.
B—B Thermocouple
E H—E Thermocouple High
E L—E Thermocouple Low
J H—J Thermocouple High
J M—J Thermocouple Med
J L—J Thermocouple Low
K H—K Thermocouple High
K M—K Thermocouple Med
K L—K Thermocouple Low
NNMH—Ni-Ni-Moly Thermocouple High
NNML—Ni-Ni-Moly Thermocouple Low
NICH—Nicrosil-Nisil Thermocouple High
NICL—Nicrosil-Nisil Thermocouple Low
R—R Thermocouple
S—S Thermocouple
T H—T Thermocouple High
T L—T Thermocouple Low
W H—W5W26 Thermocouple High
W L—W5W26 Thermocouple Low
100H—100 Ohm RTD High
100L—100 Ohm RTD Low
200—200 Ohm RTD
500—500 Ohm RTD
RADH—Radiamatic RH
RADI—Radiamatic RI
0-20—0 to 20 Milliamperes *
4-20—4 to 20 Milliamperes *
10m—0 to 10 Millivolts *
50m—0 to 50 Millivolts *
100m—0 to 100 Millivolts *
0-5—0 to 5 Volts *
1-5—1 to 5 Volts *
0-10—0 to 10 Volts *
TDIF—Thermocouple Differential *
PR—PR40-PR20 Thermocouple
* These input types are not available on
FM Models.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 31
Configuration
Function Prompt
Lower Display
XMITR1
Selection or Range of Setting
Upper Display
B
E H
E L
J H
J M
J L
K H
K M
K L
NNMH
NNML
NICH
NICL
R
S
T H
T L
W H
W L
100H
100L
200
500
RADH
RADI
LIN
SrT
Parameter
Definition
TRANSMITTER CHARACTERIZATION—
This selection lets you instruct the controller
to characterize a linear input to represent a
non-linear one. If characterization is
performed by the transmitter itself, then
select LIN (Linear).
ATTENTION Prompt only appears when a
linear actuation is selected at prompt IN1
TYPE.
FOR EXAMPLE:
If input 1 is a 4 to 20 mA signal, but the
signal represents a type K H thermocouple,
then configure K H and the controller will
characterize the 4 to 20 mA signal so that it
is treated as a type K thermocouple input
(high range).
Parameter definitions are the same as in IN1
TYPE.
ATTENTION Not available on FM Models.
IN1 HI
−999 to 9999 floating in
engineering units
INPUT 1 HIGH RANGE VALUE in
engineering units is displayed for all inputs
but can only be configured for linear or
square root transmitter characterization.
Scale the #1 input signal to the display value
you want for 100 %.
EXAMPLE:
Process Variable = Flow
Range of Flow = 0 to 250 Liters/Minute
Actuation (Input 1) = 4 to 20 mA
Characterization (XMITTER) = LINEAR
Set IN1 HI display value to 250
Set IN1 LO display value to 0
Then 20 mA = 250 Liters/Minute
and 4 mA = 0 Liters/Minute
ATTENTION The range of the Limit
setpoint will be limited by the range of units
selected here.
32 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Configuration
Function Prompt
Lower Display
IN1 LO
BIAS 1
FILTR1
Selection or Range of Setting
Upper Display
−999 to 9999 floating in
engineering units
−999 to 9999 floating in
engineering units for Non-FM
Models
-10 to 10 floating in engineering
units for FM Models
0 to 120 seconds
0 = No Filter
Parameter
Definition
INPUT 1 LOW RANGE VALUE in
engineering units is displayed for all inputs
but can only be configured for linear or
square root transmitter characterization.
Scale the #1 input signal to the display value
you want for 0 %. See example above.
ATTENTION The control setpoint for Input
1 will be limited by the range of units
selected here.
BIAS ON INPUT 1 — Bias is used to
compensate the input for drift of an input
value due to deterioration of a sensor, or
some other cause. Select the bias value you
want on Input 1.
FILTER FOR INPUT 1—A software digital
filter is provided for Input 1 to smooth the
input signal. You can configure the first order
lag time constant from 1 to 120 seconds. If
you do not want filtering, enter 0.
BRNOUT
UP
DOWN
BURNOUT PROTECTION (SENSOR
BREAK) provides most input types with
upscale or downscale protection if the input
fails.
UPSCALE BURNOUT will force the Input 1
signal to the full scale value when the sensor
fails. Diagnostic message IN1 FAIL
intermittently flashed on the lower display.
The controller remains in Automatic control
mode and adjusts the controller output signal
in response to the full scale Input 1 signal
developed by the Burnout circuitry.
DOWNSCALE BURNOUT will force the
Input 1 signal to the lower range value when
the sensor fails. Diagnostic message IN1
FAIL intermittently flashed on the lower
display.
ATTENTION For Burnout to function
properly on a 0-20 mA input type (or a 0-5V
type that uses a dropping resistor), the
dropping resistor must be remotely located
(across the transmitter terminals).
Otherwise, the input at the UDC terminals
will always be 0 mA (i.e., within the normal
operating range) when the 0-20 mA line is
opened.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 33
Configuration
Function Prompt
Lower Display
EMISS
Selection or Range of Setting
Upper Display
0.01 to 1.00
Parameter
Definition
EMISSIVITY is a correction factor applied to
the Radiamatic input signal that is the ratio of
the actual energy emitted from the target to
the energy which would be emitted if the
target were a perfect radiator.
Available only for Radiamatic inputs.
34 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
3.7 Options Set Up Group
Introduction
The Options group lets you configure the remote mode switch (Digital Inputs) to a
specific contact closure response, or configure the Auxiliary Output to be a specific
selection with desired scaling.
Function Prompts
Table 3-7 OPTION Group Function Prompts
Configuration
Function Prompt Selection or Range of Setting
Lower DisplayUpper Display
AUXOUT
NONE
PROC
DEV
Parameter
Definition
AUXILIARY OUTPUT SELECTION
This selection provides an mA output
representing one of several control
parameters. The display for auxiliary output
viewing will be in engineering units for all but
output. Output will be displayed in percent.
ATTENTION Other prompts affected by
these selections: 4mA VAL and 20mA VAL.
ATTENTION Output cannot be configured
when Three Position Step Control is used.
NO AUXILIARY OUTPUT
PROCESS VARIABLE—Represents the
value of the Process Variable. PV = Input
XxRatioX + BiasX
DEVIATION (PROCESS VARIABLE
MINUS SETPOINT)—Represents –100 %
to +100 % of the selected PV span in
engineering units.
Zero deviation will produce a center scale
(12 mA or 50 %) output. A negative deviation
equal in magnitude to the Auxiliary Output
High Scaling Factor will produce a low end
output (4 mA or 0 %) output. A positive
deviation equal in magnitude to the Auxiliary
Output Low Scaling Factor will produce a
high end output (20 mA or 100 %).
FOR EXAMPLE:
Input 1 = Type T High Thermocouple
PV range = –300 °F to +700 °F
PV span = 1000 °F
Deviation Range = –1000 °F to +1000 °F
Auxiliary Output Low Scale Value = 0.0
Auxiliary Output High Scale Value = 1000
If PV = 500 °F and SP = 650 °F
then Deviation Display = –150 °F, which
is
–7.5% of the Deviation Range, so
Auxiliary Output = 50% – 7.5% = 42.5%
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 35
Configuration
Function Prompt Selection or Range of Setting
Lower DisplayUpper Display
0_PCT
Value in Engineering Units
AUXILIARY OUTPUT LOW SCALING
Parameter
Definition
FACTOR—Use a value in engineering units
to represent all AUX OUT parameters except
output.
Use value in percent (%) for output. (Output
can be between –5 % and +105 %.)
100 PCT
Value in Engineering Units
AUXILIARY OUTPUT HIGH SCALING
FACTOR—Use a value in engineering units
to represent all AUX OUT parameters except
output.
Use a value in percent (%) for Output.
(Output can be between –5 % and +105 %.)
CRANGEAUXILIARY OUTPUT RANGE allows the
4-20
0-20
user to easily select 4-20mA output or 020mA output operation without the need for
recalibration of the instrument.
ATTENTION Changing the Auxiliary
Output Range will result in the loss of Field
Calibration values and will restore Factory
Calibration values.
DIGIN1
DIS
ENAB
DIGITAL INPUT 1 SELECTIONS—All
selections are available for Input 1. The
controller returns to its original state when
contact opens, except when overruled by the
keyboard.
EXTERNAL RESET (DIGITAL INPUT) —
resets the latching relay on contact closure.
DIS – Disable
ENAB – Enable
36 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
3.8 Communications Set Up Group
Introduction
The Communications group lets you configure the controller to be connected to a host
computer via Modbus® or Ethernet TCP/IP protocol.
Introduction
A controller with a communications option looks for messages from the host computer. If
these messages are not received within the configured shed time, the controller will
SHED from the communications link and return to stand-alone operation. You can also
set the SHED output mode and setpoint recall, and communication units.
Up to 99 addresses can be configured over this link. The number of units that can be
configured depends on the link length, with 31 being the maximum for short link lengths
and 15 drops being the maximum at the maximum link length.
ATTENTION
FM Models cannot have parameters changed (write transactions) via communications,
parameters can only be changed via the keyboard.
Configuration
Function Prompts
Table 3-8 Communications Group Function Prompts
Function Prompt Selection or Range of
Lower Display
ComADR COMMUNICATIONS STATION ADDRESS—This
COMSTA
IRENAB INFRARED COMMUNICATIONS –
BAUD
1 to 99
DIS
MODB
ETHR
DIS
EnAB
4800
9600
19200
38400
Setting
Upper Display
is a number that is assigned to a controller that is
to be used with the communications option. This
number will be its address. This parameter is also
used for the IR communications link.
COMMUNICATIONS SELECTION
DISABLE—Disables the communications option.
you to force the UDC to delay its response for a time
period of from 1 to 500 milliseconds compatible with the
host system hardware/software. This parameter is also
used for the IR communications link.
Defines word/byte order of floating point data for
communications. Byte values:
0 1 2 3
seeeeeee emmmmmmm mmmmmmmm mmmmmmmm
FP B
FPBB
FP L
FPLB
SDENAB SHED ENABLE—Disables/enables shed
DIS
EnAB
Where:
s = sign, e = exponent, m = mantissa bit
0 1 2 3
1 0 3 2
3 2 1 0
2 3 0 1
functionaliy.
SHDTIM SHED TIME—The number that represents how many
UNITS
LOOPBK LOCAL LOOPBACK tests the communications
0 to 255 Sample Periods
PCT
EGR
sample periods there will be before the controller sheds
from communications. Each period equals 1/3 seconds;
0 equals No shed.
Note: If ComSTA is set to MODBUS and if SHEDENAB
is set to DISABL, Shed Time will not be configurable.
PERCENT
ENGINEERING UNITS
hardware.
DIS
ENAB
DISABLE—Disables the Loopback test.
ENABLE—Allows loopback test. The UDC goes into
Loopback mode in which it sends and receives its own
message. The UDC displays PASS or FAIL status in the
upper display and LOOPBACK in the lower display while
the test is running. The UDC will go into manual mode
when LOOPBACK is enabled with the output at the
Failsafe value. The test will run until the operator
disables it here, or until power is turned off and on.
ATTENTION The instrument does not have to be
connected to the external communications link in order to
perform this test. If it is connected, only one instrument
should run the loopback test at a time. The host
computer should not be transmitting on the link while the
loopback test is active.
38 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
3.9 Alarms Set Up Group
Introduction
An alarm is an indication that an event that you have configured (for example—Process
Variable) has exceeded one or more alarm limits. There are two alarms available. Each
alarm has two setpoints. You can configure each of these two setpoints to alarm on
various controller parameters.
There are two alarm output selections, High and Low. You can configure each setpoint to
alarm either High or Low. These are called single alarms.
You can also configure the two setpoints to alarm on the same event and to alarm both
high and low. A single adjustable Hysteresis of 0 % to 100 % is configurable for the
alarm setpoint.
See Table 2-3 in the Installation section for Alarm relay contact information.
The prompts for the Alarm Outputs appear whether or not the alarm relays are physically
present. This allows the Alarm status to be shown on the display and/or sent via
communications to a host computer.
Configuration
Function Prompts
Table 3-9 ALARMS Group Function Prompts
Function Prompt Selection or Range of Setting
Lower DisplayUpper Display
A1S1TY
ATTENTION
NONE
PROC
DE
SHED
FSAF
PrRT
DI
TC W
TC F
ALARM 1 SETPOINT 1 TYPE—Select what
you want Setpoint 1 of Alarm 1 to represent.
It can represent the Process Variable,
Deviation, Input 1, Input 2, Output, and if you
have a model with communications, you can
configure the controller to alarm on SHED. If
you have setpoint programming, you can
alarm when a segment goes ON or OFF.
NO ALARM
PROCESS VARIABLE
DEVIATION
SHED FROM COMMUNICATIONS
FAILSAFE
PV RATE OF CHANGE
DIGITAL INPUT 1 ACTUATED
THERMOCOUPLE WARNING (NOTE 1)
THERMOCOUPLE FAILING (NOTE 2)
NOTE 1. Thermocouple Warning means that
the instrument has detected that the
Thermocouple Input is starting to fail. Not
valid for input types other than
Thermocouple.
Parameter
Definition
NOTE 2. Thermocouple Failing means that
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 39
the instrument has detected that the
Configuration
Function Prompt Selection or Range of Setting
Lower DisplayUpper Display
Parameter
Definition
Thermocouple Input is in imminent danger of
failing. Not valid for input types other than
Thermocouple.
A1S1VA
Value in engineering units
ALARM 1 SETPOINT 1 VALUE—This is the
value at which you want the alarm type
chosen in prompt A1S1TYPE to actuate. The
value depends on what the setpoint has
been configured to represent. No setpoint is
required for alarms configured for
Communications SHED.
This prompt does not appear for Alarm
Types that do not use values. For example:
A1S1TY = MANUAL.
A1S1HL ALARM 1 SETPOINT 1 STATE—Select
A1S2TY ALARM 1 SETPOINT 2 TYPE—Select what
HIGH
LOW
whether you want the alarm type chosen in
prompt A1S1TYPE to alarm High or Low.
HIGH ALARM
LOW ALARM
you want Setpoint 2 of Alarm 1 to represent.
The selections are the same as A1S1TYPE.
A1S2VA
Value in engineering units
ALARM 1 SETPOINT 2 VALUE—This is the
value at which you want the alarm type
chosen in prompt A1S2TYPE to actuate.
The details are the same as A1S1 VAL.
A1S2HL
HIGH
LOW
A2S1TY ALARM 2 SETPOINT 1 TYPE—Select what
ALARM 1 SETPOINT 2 STATE—Same as
A1S1HL.
you want Setpoint 1 of Alarm 2 to represent.
The selections are the same as A1S1TYPE.
ATTENTION Not applicable with Relay
Duplex unless using Dual Relay PWA.
A2S1VA
Value in engineering units
ALARM 2 SETPOINT 1 VALUE—This is the
value at which you want the alarm type
chosen in prompt A2S1TYPE to actuate.
The details are the same as A1S1 VAL.
A2S1HL ALARM 2 SETPOINT 1 STATE—Same as
HIGH
LOW
A1S1HL.
40 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Configuration
Function Prompt Selection or Range of Setting
Lower DisplayUpper Display
A2S2TY ALARM 2 SETPOINT 2 TYPE—Select what
Value in engineering units
Parameter
Definition
you want Setpoint 2 of Alarm 2 to represent.
The selections are the same as A1S1TYPE.
ATTENTION Not applicable with Relay
Duplex unless using Dual Relay PWA.
A2S2VA
ALARM 2 SETPOINT 2 VALUE—This is the
value at which you want the alarm type
chosen in prompt A2S2TYPE to actuate.
The details are the same as A1S1 VAL.
A2S1HL
ALHYST
HIGH
LOW
0.0 to 100.0 % of span or full
output as appropriate
ALARM 2 SETPOINT 1 STATE—Same as
A1S1HL.
ALARM HYSTERESIS—A single adjustable
hysteresis is provided on alarms such that
when the alarm is OFF it activates at exactly
the alarm setpoint; when the alarm is ON, it
will not deactivate until the variable is 0.0 %
to 100 % away from the alarm setpoint.
Configure the hysteresis of the alarms based
on INPUT signals as a % of input range
span.
ALARM1
NO LAT
LATCH
Configure the hysteresis of the alarm based
on OUTPUT signals as a % of the full scale
output range.
LATCHING ALARM OUTPUT 1—Alarm
output 1 can be configured to be Latching or
Non-latching.
NO LAT—Non-latching
LATCH—Latching
ATTENTION When configured for latching,
the alarm will stay active after the alarm
condition ends until the RUN/HOLD key is
pressed.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 41
Configuration
Function Prompt Selection or Range of Setting
Lower DisplayUpper Display
BLOCK ALARM BLOCKING—Prevents nuisance
DIS
AL1
AL 2
AL12
alarms when the controller is first powered
up. The alarm is suppressed until the
parameter gets to the non-alarm limit or
band. Alarm blocking affects both alarm
setpoints.
DISABLE—Disables blocking
AL 1—Blocks alarm 1 only
AL 2—Blocks alarm 2 only
AL12—Blocks both alarms
Parameter
Definition
ATTENTION When enabled on power up
or initial enabling via configuration, the alarm
will not activate unless the parameter being
monitored has not been in an alarm condition
for a minimum of one control cycle (167 ms).
DIAGAL DIAGNOSTIC—Monitors the Current Output
DIS
AL 1
AL 2
DISWRN
and/or Auxiliary Output for an open circuit
condition. If either of these two outputs falls
below about 3.5 mA, then an Alarm is
activated. This configuration is in addition to
whatever was selected for AxSxTYPE.
DISABLE—Disables Diagnostic Alarm
ALARM 1—Alarm 1 is diagnostic alarm
ALARM 2—Alarm 2 is diagnostic alarm
DISABLE WARNING—Disables Output Fail message on lower display
42 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
3.10 Display Set Up Group
Introduction
This group includes selections for Decimal place, Units of temperature, Language and
Power frequency.
Function Prompts
Table 3-10 DISPLY Group Function Prompts
Configuration
Function Prompt Selection or Range of Setting
Lower DisplayUpper Display
DECMAL
UNITS
FREQ
NONE
ONE
TWO
F
C
NONE
60
50
Parameter
Definition
DECIMAL POINT LOCATION—This
selection determines where the decimal point
appears in the display.
NONE—No Decimal Place—fixed, no autoranging
ONE—888.8
TWO—88.88
ATTENTION Auto-ranging will occur for
selections of one or two decimal places. For
example, should the instrument be
configured for two decimal places and the
PV exceeds 99.99, then the display will
change to a single decimal place so that
values of 100.0 and above can be shown.
TEMPERATURE UNITS—This selection will
affect the indication and operation.
DEG F—Degrees Fahrenheit
DEG C—Degrees Centigrade
NONE—No display of units
POWER LINE FREQUENCY—Select
whether your controller is operating at 50 or
60 Hertz.
ATTENTION For controllers powered by
+24 Vdc, this configuration should be set to
the AC line frequency used to produce the
+24 Vdc supply.
Incorrect setting of this parameter can cause
normal mode noise problems in the input
readings.
LWRDSP
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 43
ENAB
DIS
LOWER DISPLY—Select whether the unit
uses single or dual display.
44 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
3.11 P.I.E. Tool Ethernet and Email Configuration Screens
Introduction
These screens only appear in instruments that have Ethernet Communications. Ethernet
and Email parameters can only be configured via the Process Instrument Explorer (P.I.E.
®
Tool
). The figures in this section show screen-shots of the Configuration Screens from
the PC version of the P.I.E. Tool
similar in format but smaller.
Ethernet Configuration Screen
This controller is shipped from the factory with the IP Address set to 10.0.0.2, the Subnet
Mask set to 255.255.255.0 and the Default Gateway set to 0.0.0.0. Consult your
Information Technologies (IT) representative as to how these should be configured for
your installation. The MAC address is printed on the product label located on the
instrument’s case.
®
. Pocket PC Configuration Screens are generally
Configuration
These settings can be changed via the Ethernet Configuration Screen as shown in
3-1
.
See Section
4.9 – Configuring your Ethernet Connection for more information.
Figure
Figure 3-1 Ethernet Configuration Screen
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 45
Configuration
WARNING
After you change the IP Address, you will no longer be able to communicate with the instrument
via Ethernet until you change the P.I.E. Tool’s IP Address setting in the “PC COMM SETUP” to
match the setting that is now in your controller.
Email Configuration Screen
This controller may be configured to support up to two Emails. Each Email can be sent to
a different address. Emails are sent only when the selected alarm transitions from the
OFF to the ON state.
Figure 3-2 Email Configuration Screen
This controller cannot receive Emails, so it is suggested that you configure the “From
Email:” window with a non-Email style address that will make it easy for you to
determine which controller sent the Email. For Email technical reasons, the entry in the
“From Email:” window cannot have spaces. See
Figure 3-2.
If you do not know your SMTP IP Address for outgoing Email, then contact your
Information Technologies (IT) representative. If your PC is on the same LAN that will be
used by the controller and which also connects to the Email server, then the SMTP IP
Address may generally be found by opening a DOS shell and typing:
ping smtp.[your domain name and extension], i.e., “ping smtp.your_isp.com”
46 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Configuration
The content of the Emails sent by this controller contains the Alarm that triggered the
Email, its settings and the current value (if applicable) of the monitored variable. For
example, the content of an Email triggered by Alarm 1 Setpoint 1 that is configured to
monitor Input 1 would look something like this:
Name: Alarm 1 SP1, Type: INPUT1, Event: HIGH/END, Value = 500.00,
Actual = 712.69
The content of an Email triggered by Alarm 2 Setpoint 1 that is configured to monitor
Digital Input 1 would look something like this:
Name: Alarm 2 SP1, Type: DIG IN1, Event: HIGH/END, Value = 0.00,
Actual = 0.00
ATTENTION
Email will always be time-stamped with the date that the Ethernet Software in the instrument
was last modified.
If the SMTP address on your network is changed, such as can happen when a server is
replaced, then you must reconfigure the Email SMTP IP address in this instrument to match.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 47
Configuration
3.12 Configuration Record Sheet
Enter the value or selection for each prompt on this sheet so you will have a record of
how your controller was configured.
Group Function Value or Factory Group Function Value or Factory
NONE
90
HIGH
NONE
90
HIGH
NONE
90
HIGH
NONE
90
HIGH
0.1
NOL
DIS
DIS
DISPLY
DECML
UNITS
FREQ
LWRDSP
TCDIAG
_______
_______
_______
_______
_______
NONE
F
60
ENAB
ENAB
48 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
4 Operating the Limit Controller
4.1 Overview
Introduction
This section gives you all the information necessary to help you monitor your controller
including an Operator Interface overview, how to lockout changes to the controller,
entering a security code, and monitoring the displays.
What's in this section?
The following topics are covered in this section.
4.1 Overview 49
Operating the Limit Controller
TOPIC See Page
4.2 Operator Interface 50
4.3 Entering A Security Code 50
4.4 Lockout Feature 51
4.5 Monitoring The Limit Controller 52
4.6 How to Operate Your Limit Controller 54
4.7 Alarm Setpoints 57
4.8 P.I.E. Tool Maintenance Screens58
4.9 Configuring your Ethernet Connection64
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 49
Operating the Limit Controller
4.2 Operator Interface
Introduction
Figure 5-1 is a view of the Operator Interface. A description of the displays and
indicators is included.
Figure 4-1 Operator Interface
4.3 Entering a Security Code
Introduction
The level of keyboard lockout may be changed in the Set Up mode. However, knowledge
of a security code number (0 to 9999) may be required to change from one level of
lockout to another. When a controller leaves the factory, it has a security code of 0,
which permits changing from one lockout level to another without entering any other
code number.
Procedure
If you require the use of a security code, select a number from 0001 to 9999 and enter it
when the lockout level is configured as NONE. Thereafter, that selected number must be
used to change the lockout level from something other than NONE.
Write the number on the Configuration Record Sheet in the configuration section so you will have a
permanent record.
50 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Table 4-1 Procedure to Enter a Security Code
Step Operation Press Result
Operating the Limit Controller
1 Upper Display = SET UP
2 Upper Display = 0
3
Enter Set Up
Mode
Select any Set
Up Group
Security Code
Entry
SetupSetup
FunctionFunctionFunction
or
Lower Display = LOCK
Lower Display = SECUR
To enter a four digit number in the upper display
This will be your security code.
4.4 Lockout Feature
Introduction
The lockout feature in the UDC2500 is used to inhibit changes (via keyboard) of certain
functions or parameters by unauthorized personnel.
Lockout levels
There are different levels of Lockout depending on the level of security required. These
levels are:
(0001 to 9999)
• NONE No Lockout. All groups Read/Write.
• CAL All groups Read/Write except Calibration
• CONF Configuration parameters are Read only. No writes permitted.
• +SP Only the Lockout group is available for Read/Write.
See
above.
Key error
When a key is pressed and the prompt “Key Error” appears in the lower display, it will be
for one of the following reasons:
Calibration Group is not available.
Setpoint value is Read Only.
Subsection 3.4- Lockout Parameters Set Up Group prompts to select one of the
• Parameter not available or locked out
• Not in setup mode, press
SET UP key first
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 51
Operating the Limit Controller
4.5 Monitoring Your Limit Controller
Annunciators
The following annunciator functions have been provided to help monitor the controller:
Table 4-2 Annunciators
Annunciator Indication
ALM 1 2 A visual indication of each alarm
Blinking 1 indicates alarm latched and needs to be acknowledged
before extinguishing when the alarm condition ends
F or C
A visual indication of the temperature units
F—Degrees Fahrenheit
C—Degrees Celsius
Display Mode
The displays and indicators on the operator interface, as shown in Figure 4-1, let you see
what is happening to your process and how the Limit Controller is responding.
The Limit Controller can be either a single line display device (except when in the
SETUP mode or the
LOWER DISPLAY key is pressed or limit has been reached) or it can
be a dual line display device (upper display shows PV and lower display shows SP).
This display can be one of two types:
Single Display Mode 1
The PV is displayed in the upper display and the lower display is blank.
Single Display Mode 2
The setpoint is displayed in the upper display and “SP” is displayed in
the lower display.
Viewing the operating parameters
Press the LOWER DISPLAY key to scroll through the operating parameters:
SP* Setpoint
PV Process Variable
*
You can press to change the value of this parameter. or
Timing out from lower display
The normal variable display will automatically return in the upper display if the LOWER
DISPLAY
52 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
key is not pressed for 30 seconds.
Diagnostic Error Messages
The UDC2500 performs background tests to verify data and memory integrity. If there is
a malfunction, an error message will be displayed. In the case of more than one
simultaneous malfunction, the messages will be displayed sequentially on the lower
display. If any of these error messages in
Troubleshooting
Prompt Description
for information to correct the failure.
Operating the Limit Controller
Table 4-3 occur, refer to Section 7 -
Table 4-3 Error Messages
EE FAIL
IN1FL
CNFERR
IN1RNG
PV LIM
FAILSF
TCWARN
TCFAIL
OUT2 FL
Unable to write to nonvolatile memory.
Two consecutive failures of input 1 integration.
Configuration Errors—Low limit greater than high limit for PV or SP
Input 1 Out-of-Range
Out-of-range criteria:
Linear range: ±10% out-of-range
Characterized range: ±1% out-of-range
PV Out-of-Range
PV = PV + PV bias
Failsafe — conditions for Failsafe are:
… EEROM Test Failed
… Scratch Pad RAM Test Failed
… Configuration Test Failed
Check the “Status” group.
Thermocouple sensor is starting to burnout.
Thermocouple sensor is in imminent danger of burning out.
Current Output 2 failure is less than 3.5 mA.
High and Low Limit Indication
When the high or low limit is exceeded, the lower display indicates the word “LIMIT”
(blinking). The PV is indicated in the upper display. This will continue until the Out-ofLimit condition exists and you reset the latching relay using the
M-A RESET key or
through the Optional External Reset feature.
The Limit Relay cannot be reset while a Limit condition exists.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 53
Operating the Limit Controller
4.6 Operating Your Limit Controller
Operating Principles
The Limit Controller accepts signals from such sources as Thermocouples (T/Cs),
Resistance Temperature Detectors (RTDs), and Radiamatics. The equivalent PV signal is
compared with the Limit set point. If above (Hi Limit) or below (Lo Limit), a limit output
relay is de-energized. When de-energized, the output relay locks out and remains in this
state until the PV input signal drops below the high limit setpoint or rises above the low
limit setpoint, and the controller is reset manually from the front of the controller or
through an optional external switch.
Check the configuration
Make sure the Limit Controller has been configured to handle your process needs. Refer
to
Section 3 - Configuration for prompts and parameters.
• Input Parameters
• Alarm Set Points and type
• Limit Control Type - high or low
• External Reset (Contact Input) - enable or disable
• Power-up Logic - Reset (relay on) or Normal (same as before power down)
• Lockout selection
Power Up Logic
Configurable power-up logic lets you select the latching output relay to require “RESET”
or to provide normal operation at power-up. If power to the limit controller fails and
power is reapplied, the controller goes through power up tests then starts in one of the
following configurable conditions:
• If you configured RST at setup group “LIMIT”, the lower display will blink
“LIMIT” at power up. This will require reset via the
switch to obtain normal operation.
• If you configured NORM at setup group “LIMIT”, the display and limit controller
will function normally at power up, (that is, no reset of the latching relay is
required unless a limit has been exceeded). If the limit was latched when power
went down, the unit will be in limit at power-up.
Refer to
Section 3 - Configuration, subsection 3.4 Limit Parameters Set Up Group under
SET UP prompt “LIMIT” and make your selection at FUNCTION prompt “POWRUP.”
M-A RESET key or external
54 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
How to set a limit setpoint
Step Operation Press Result
Operating the Limit Controller
1 Display
setpoint
2 Enter the Limit
Setpoint
3 Store the limit
setpoint
4 If the display
flashes "Limit"
Lower
Lower
Lower
Display
Display
Display
Press the "Lower Display" key till SP appears.
orSet the SP, using the Up & Down arrow keys, to the desired Limit
Setpoint
Lower
Lower
Lower
Display
Display
Display
M-A
M-A
M-A
Reset
Reset
Reset
Press the "Lower Display" to store the value.
Press the Auto-Man/ Reset key.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 55
Operating the Limit Controller
How to Reset the Latching Relay
The latching relay cannot be reset until the PV input signal drops below the high set
point (High Limit) or rises above the low set point (Low Limit) value.
Press the M-A RESET key or make contact closure of an external switch if the External
Reset option is present.
Using the Digital Input Option (External Reset)
The Contact Input option detects the state of external contacts. On contact closure, the
controller will reset the latching relay if the controller has External Reset enabled. To
allow External Reset (contact input) use the procedure in
Table 4-4.
Table 4-4 Using Contact Input Option
Step Operation Press Result
1
2
3
Select Options
Set-up Group
Access the
External Reset
Prompt
Change a value
SetupSetup
FunctionFunctionFunction
or
Until you see:
Upper Display = SET
Lower Display = OPTIONS
Until you see:
Upper Display = ENAB
DIS
Lower Display = DIGIN1
To select ENAB in the upper display
56 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
4.7 Alarm Setpoints
Introduction
An alarm consists of a relay contact and an operator interface indication. The alarm relay
is de-energized if setpoint 1 or setpoint 2 is exceeded.
The alarm relay is energized when the monitored value goes into the allowed region by
more than the hysteresis.
The relay contacts can be wired for normally open (NO) energized or normally closed
(NC) de-energized using internal jumper placement. See
Installation for alarm relay contact information.
There are four alarm setpoints, two for each alarm. The type and state (High or Low) is
selected during configuration. See
Subsection 3– Configuration for details.
Alarm Setpoints Display
Table 4-5 Procedure for Displaying Alarm Setpoints
Step Operation Press Result
Table 2-3 in the Section 2 –
Operating the Limit Controller
1
2
3
4
Select Alarm
Set-up Group
Access the Alarm
Setpoint Values
Change a value
Return to Normal
Display
SetupSetup
FunctionFunctionFunction
or
Lower
Lower
Lower
Display
Display
Display
Until you see:
Upper Display = SET
Lower Display = ALARMS
To successively display the alarm setpoints and their values.
Their order of appearance is shown below.
Upper Display = (the alarm setpoint value)
Range values are within the range of the selected
parameters:
DE (Deviation) value = within Input 1 Span
PV (Process variable) value = Within Input 1 range
To change any alarm setpoint value in the upper display
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 57
Operating the Limit Controller
4.8 P.I.E. Tool Maintenance Screens
Introduction
This controller uses special P.I.E. Tool Maintenance Screens which allow remote access
and access to functions not accessible via the controller’s display and keyboard. The
figures in this section show screen-shots of the Maintenance Screens from the PC version
of the P.I.E. Tool
®
. Pocket PC Maintenance Screens are generally similar in format but
smaller.
ATTENTION
Your instrument may not have all of the screens and parameters shown in this section.
Loop Data
Select “Loop Data” from the “Maintenance Data” menu.
®
Figure 4-2 Maintenance Data Menu
The Loop Data screen allows you to see the current status of the process loop.
“OP1, 2 and 3” windows indicate the status of the current outputs. If a current output is
not installed, the OP status for that output is always “OK.”
The “Alarms” and “Digital Inputs” buttons allow you to see the current status of each
alarm setpoint and digital input.
58 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Operating the Limit Controller
Figure 4-3 Loop Data Maintenance Screen
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 59
Operating the Limit Controller
Loop Data – Alarm Details
This screen appears when you click on the “Alarm” button on the Loop Data
Maintenance Screen and shows the status of each alarm setpoint. “NONE” in the Type
column indicates that the alarm is disabled. Highlighted alarms are currently active. An
asterisk (*) indicates that the alarm has changed state since the last communications
transaction.
For this instrument, the “Alarm On” and “Alarm Off” columns will always be blank.
See Section
3.9 for other information about configuring Alarms.
Figure 4-4 Alarm Details Maintenance Screen
60 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Loop Data – Digital Input Details
This screen appears when you click on the “Digital Inputs” button on the Loop Data
Maintenance Screen and shows the status of each Digital Input. “NONE” in the Type
column indicates that the Digital Input is disabled. Highlighted Digital Inputs are
currently active. An asterisk (*) indicates that the alarm has changed state since the last
communications transaction.
This instrument has a maximum of two Digital Inputs.
Operating the Limit Controller
Figure 4-5 Digital Input Details Screen
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 61
Operating the Limit Controller
Status Data
Select “Status Data” from the “Maintenance Data” menu.
The Status Data screen lets you see the current status of the controller’s diagnostics. If
the controller has detected a problem, this screen will show the detected problem. If the
controller is equipped with the Real Time Clock Option, then pressing the “Diagnostics”
button will show the time and dates that the problem occurred and when it was cleared.
Figure 4-6 Status Data Maintenance Screen
62 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Ethernet Status
Select “Ethernet Status” from the “Maintenance Data” menu.
This screen only appears in instruments that have the Ethernet Communications option.
Essentially, this screen shows the same Ethernet diagnostic messages as available on the
controller via the lower display window. See Section
The Ethernet Status screen shows the network status of the Ethernet Link. This may be
accessed either via Ethernet or via Infrared communications. Not all diagnostic messages
are available via Ethernet Communications. For example, if the Ethernet cable is
unplugged, then the instrument cannot send up the “EUNPLGED” diagnostic message
via Ethernet.
Operating the Limit Controller
7.5 for details.
Figure 4-7 Ethernet Status Maintenance Screen
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 63
Operating the Limit Controller
4.9 Configuring your Ethernet Connection
Introduction
This controller is shipped from the factory with the address for Infrared (IR)
communications set to 3, the Ethernet IP Address set to 10.0.0.2, the Ethernet Subnet
Mask set to 255.255.255.0 and the Ethernet Default Gateway set to 0.0.0.0. Consult your
Information Technologies (IT) representative as to how these should be configured for
your installation. The MAC address is printed on the product label located on the
instrument’s case.
Only the P.I.E. Tool
section show screen-shots from the PC version of the P.I.E. Tool
Screens are generally similar in format but smaller. The P.I.E. Tool can connect to your
controller via either Ethernet communications port or the Infrared (IR) communications
port.
Configuring the Controller via Infrared Communications
If connecting via IR and assuming that the instrument’s IR address has not been changed
from its factory setting of 3, then configure your Communications Type as “Infrared” and
your IR address to 3 as shown below.
®
can be used to configure Ethernet parameters. The figures in this
®
Screens. Pocket PC
Select “PC COMM Setup”, then, select “Infrared”.
Figure 4-8 IR Communications Address
64 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Operating the Limit Controller
Close the IR configuration window and then single click on the “Online Configuration”
button.
Press any button on the controller’s keyboard to activate the controller’s IR port. Point
your IR dongle (if using PC) or your Pocket PC’s IR port (if using Pocket PC) at the IR
window on the front of the controller and then click on the “Start” button. The P.I.E.
®
Tool
should start uploading the configuration information from the controller as shown
below:
Figure 4-9 Configuration Upload in Progress
Once the upload is complete, click on the “Ethernet & Email” Group. Configure your
Ethernet and Email parameters per Section
3.11.
Once you have changed the Ethernet settings and downloaded them to your controller,
you will be able to communicate with it via Ethernet.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 65
Operating the Limit Controller
Configuring the Controller via Ethernet Communications
WARNING
Configuring the Controller via Ethernet Communications requires that you change your PC’s IP
settings. If you have never done this before, then it is strongly recommended that you consult
with your Information Technologies (IT) representative before proceeding.
First, write down the current Local Area Network (LAN) configuration values for your
PC for its IP Address, Subnet Mask and Default Gateway settings. Put these someplace
where you can find them later.
Connecting to the Ethernet Port in the Controller requires that you have either an
Ethernet crossover cable or a MDI-compliant Switch or Hub available with a straightthrough cable. The crossover cable can be used to directly connect your PC to the
Controller while the Switch or Hub can be used to connect your PC and Controller to the
Hub or Switch via straight-through cables.
Once you have made an Ethernet connection between your PC and the controller, then,
change the Local Area Network (LAN) settings on your PC to be as follows:
IP Address: 10.0.0.3
Subnet Mask: 255.255.255.0
Default Gateway: 10.0.0.1
Now open your P.I.E. Tool
®
program and select “PC Comm Setup” and select Ethernet
as your “Communication Type” as shown in
Figure 4-10 Ethernet Communications Type Selection
Figure 4-10.
66 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Operating the Limit Controller
Now set your Ethernet address to 10.0.0.2 as shown in Figure 4-11.
Figure 4-11 Ethernet Communications Address
Close the Ethernet configuration window and then single click on the “Online
Configuration” button.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 67
Operating the Limit Controller
Then, click on the “Start” button. The P.I.E. Tool® should start uploading the
configuration information from the controller as shown in
Figure 4-12.
Figure 4-12 Configuration Upload in Progress
Once the upload is complete, click on the “Ethernet & Email” Group. Configure your
Ethernet and Email parameters per Section
3.11.
Once you have changed the Ethernet settings and downloaded them to your controller,
you will no longer be able to communicate with it until you change the IP address in the
P.I.E. Tool
®
to be per the controller’s new IP Address.
You will also need to re-configure the Local Area Network (LAN) settings on your PC
back to their original settings. On some PCs and LANs, it is possible to simply allow the
PC to get these settings automatically via the DHCP server. Contact your Information
Technologies (IT) representative to see if this is available on your PC.
68 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
INPUT CALIBRATION MAY REQUIRE ACCESS TO HAZARDOUS LIVE CIRCUITS, AND
SHOULD ONLY BE PERFORMED BY QUALIFIED SERVICE PERSONNEL. MORE THAN
ONE SWITCH MAY BE REQUIRED TO DE-ENERGIZE UNIT BEFORE CALIBRATION.
5.1 Overview
Introduction
This section describes the field calibration procedures for Input 1.
All input actuations in every UDC2500 controller are fully factory-calibrated and are
•
ready for configuration by the user.
• Field Calibration can improve the accuracy of the Controller if necessary for a
particular application.
Input Calibration
5 Input Calibration
WARNING—SHOCK HAZARD
CAUTION
The field calibration will be lost if a change in input type configuration is implemented at a later
time. The original factory calibration data remains available for later use after a field calibration
is done. See subsection
What's in this section?
The following topics are covered in this section.
5.1 Overview 69
5.2 Minimum and Maximum Range Values 70
5.3 Preliminary Information 72
5.4 Input #1 Set Up Wiring 73
5.5 Input #1 Calibration Procedure 78
5.6 Restore Input Factory Calibration79
5.6 if you want to restore factory calibration values.
TOPIC See Page
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 69
Input Calibration
Calibration Steps
Use the following steps when calibrating an input.
Step Action
Find the minimum and maximum range values for your PV input range from
1
Disconnect the field wiring and find out what equipment you will need to calibrate.
2
Wire the calibrating device to your controller according to the set up wiring instructions
3
for your particular input (Subsection
Follow the calibration procedure given for Input #1 (Subsection
4
5.4).
5.5).
Table 5-1.
5.2 Minimum and Maximum Range Values
Select the Range Values
Calibrate the controller for the minimum (0 %) and maximum (100 %) range values of
your particular input type. Two input controllers will need to have each input calibrated
separately.
Select the Voltage, Current or Resistance equivalents for 0 % and 100 % range values
from
Table 5-1. Use these values when calibrating your controller.
Table 5-1 Voltage, Milliamp and Resistance Equivalents for Input 1 Range Values
PV Input Range Range Values Sensor Type
°F °C 0 % 100 %
Thermocouples
(per ITS-90)
B
E
E (low)
J
J (med)
J (low)
K
K (med)
K (low)
NiMo-NiCo (NM90)
NM90 (low)
Nicrosil-Nisil (Nic)
Nic (low)
R
0 to 3300 –18 to 1816 –0.100 mV 13.769 mV
–454 to 1832 –270 to 1000 –9.835 mV 76.373 mV
–200 to 1100 –129 to 593 –6.472 mV 44.455 mV
0 to 1600 –18 to 871 –0.886 mV 50.060 mV
20 to 900 –7 to 482 26.400 mV
20 to 550 –7 to 288 –0.334 mV 15.650 mV
0 to 2400 –18 to 1316 –0.692 mV 52.952 mV
–20 to 1200 –29 to 649 –1.114 mV 26.978 mV
–20 to 750 –29 to 399 –1.114 mV 16.350 mV
32 to 2500 0 to 1371 0.000 mV 71.773 mV
32 to 1260 0 to 682 0.000 mV 31.825 mV
0 to 2372 –18 to 1300 –0.461 mV 47.513 mV
0 to 1472 –18 to 800 -0.461 mV 28.455 mV
0 to 3100 –18 to 1704 –0.090 mV 20.281 mV
–0.334 mV
70 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Input Calibration
PV Input Range Range Values Sensor Type
°F °C 0 % 100 %
S
T
T (low)
W5W26
W5W26 (low)
RP20-RP40
Thermocouple
Differential *
Radiamatic
Type RH
Type RI **
RTD
Alpha = 0.00385 per
IEC-60751 (1995)
100 ohms
100 ohms (low)
200 ohms
500 ohms
Linear
0 to 3100 –18 to 1704 –0.092 mV 17.998 mV
-300 to 700 –184 to 371 –5.341 mV 19.097 mV
-200 to 500 –129 to 260 –4.149 mV 12.574 mV
0 to 4200 –18 to 2315 –0.234 mV 37.075 mV
0 to 2240 –18 to 1227 –0.234 mV 22.283 mV
32 to 3216 0 to 1880 0.000 mV 4.933 mV
–50 to 150 –46 to 66 –1.54 mV 4.62 mV
0 to 3400 –18 to 1871 0.00 mV
0 to 9999 0 to 9999
–300 to 1200
–300 to 300
–300 to 1200
–300 to 1200
–184 to 649
–184 to 149
–184 to 649
–184 to 649
126.012 ohms
57.12 mV
0.00 mV
25.202 ohms
25.202 ohms
50.404 ohms
60.08 mV
329.289 ohms
156.910 ohms
658.578 ohms
1646.445 ohms
Milliamps
Millivolts
Volts
4 to 20 mA
0 to 20 mA
0 to 10 mV
0 to 50 mV
0 to 100 mV
1 to 5 Volts
0 to 5 Volts
0 to 10 Volts
4.00 mA
0.00 mA
0.00 mV
0.00 mV
0.00 mV
1.00 Volts
0.00 Volts
0.00 Volts
20.00 mA
20.00 mA
10.00 mV
50.00 mV
100.00 mV
5.00 Volts
5.00 Volts
10.00 Volts
* The Factory Calibrated millivolt values for the Thermocouple Differential Input are for a pair
of J thermocouples at an ambient temperature mean of 450
°F / 232°C. Other thermocouple
types and ambient temperature means may be accomplished via Field Calibration of the input,
with the range value limits being –4 mV to +16 mV for the zero and span values. See
5-7
for procedure.
Table
** The range values for Radiamatic Type RI are customer configurable.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 71
Input Calibration
_
5.3 Preliminary Information
Disconnect the Field Wiring
Tag and disconnect any field wiring connected to the input terminals on the rear of the
controller.
Equipment Needed
Table 5-2 lists the equipment you will need to calibrate the specific types of inputs that
are listed in the table. You will need a screwdriver to connect these devices to your
controller.
Type of Input Equipment Needed
Thermocouple
Inputs (Ice Bath)
Input 1
Connections
R
+
Input 1
25 R
26 +
27 –
Figure 5-1 Input 1 Wiring Terminals
Table 5-2 Equipment Needed
•
A calibrating device with at least ± 0.02 % accuracy for use as a
signal source such as a millivolt source.
Thermocouple extension wire that corresponds with the type of
•
thermocouple that will be used with the controller input.
Two insulated copper leads for connecting the thermocouple
•
extension wire from the ice baths to the mV source.
Two containers of crushed ice.
•
Thermocouple
Inputs (T/C Source)
RTD (Resistance
Thermometer
Device)
Milliampere,
Millivolt, Volts, and
Radiamatic
72 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
•
A calibrating device with at least ± 0.02 % accuracy for use as a
signal source such as a millivolt source.
Thermocouple extension wire that corresponds with the type of
•
thermocouple that will be used with controller input.
A decade box, with at least ± 0.02 % accuracy, capable of providing
•
stepped resistance values over a minimum range of 0 to 1400 ohms
with a resolution of 0.1 ohm.
Three insulated copper leads of equal length for connecting the
•
decade box to the controller.
A calibrating device with at least ± 0.02 % accuracy for use as a
•
signal source.
Two insulated copper leads for connecting the calibrator to the
•
controller.
Place current source at zero before switching ON.
•
Do not switch current sources OFF/ON while connected to the
•
UDC2500 input.
5.4 Input 1 Set Up Wiring
_
_
Thermocouple Inputs Using an Ice Bath
Refer to Figure 5-2 and wire the controller according to the procedure given in Table 5-3.
Table 5-3 Set Up Wiring Procedure for Thermocouple Inputs
Using an Ice Bath
Step Action
Connect the copper leads to the calibrator.
1
Connect a length of thermocouple extension wire to the end of each copper lead and
2
insert the junction points into the ice bath.
Connect the thermocouple extension wires to the terminals for Input #1.
3
Figure 5-2.
See
Input Calibration
Millivolt
Source
Copper Leads
+
Ice Bath
+
Thermocouple
Extension Wire
26
27
Figure 5-2 Wiring Connections for Thermocouple Inputs Using an Ice Bath
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 73
Input Calibration
_
_
Thermocouple Inputs Using a Thermocouple Source
Refer to Figure 5-3 and wire the controller according to the procedure given in Table
5-4
..
Table 5-4 Set Up Wiring Procedure for Thermocouple Inputs using
Thermocouple Source
Step Action
Connect the thermocouple extension wires to the terminals for Input #1 as shown in
1
Figure 5-3.
+
Thermocouple
Source
+
26
27
RTD Inputs
Refer to Figure 5-4 and wire the controller according to the procedure given in Table 5-5.
Step Action
1
Thermocouple
Extension Wire
Figure 5-3 Wiring Connections for Thermocouple Inputs Using
Thermocouple Source
Table 5-5 Set Up Wiring Procedure for RTD Inputs
Connect the copper leads from the calibrator to the Input #1 terminals as shown in
Figure 5-4.
Decade
Resistance
Box
Copper Leads
Equal Length
25R
26+
27-
Figure 5-4 Wiring Connections for RTD (Resistance Thermometer Device)
74 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Radiamatic, Millivolts, Volts or Thermocouple Differential Inputs
_
Refer to Figure 5-5 and wire the controller according to the procedure given in Table 5-6.
Table 5-6 Wiring Connections for Radiamatic, Thermocouple Differential,
Millivolts or Volts (Except 0 to 10 Volts)
Step Action
Connect the copper leads from the calibrator to the Input #1 terminals as shown in
1
Figure 5-5.
Place current/voltage source at zero before switching on.
2
Do not switch current/voltage source ON/OFF while connected to the instrument.
3
ATTENTION
For Radiamatic inputs only, set Emissivity value to 1.0. See Subsection Configuration3.6 – Set
Up prompt INPUT1, function prompt EMISS.
Millivolt or
Volt Source
+
26+
27-
Input Calibration
Figure 5-5 Wiring Connections for Radiamatic, Millivolts, Volts or
Thermocouple Differential (Except 0 to 10 Volts)
Table 5-7 Procedure to determine calibration voltages for Thermocouple
Differential input types other than the Factory Setting
Step Action
Obtain a copy of the ITS-90 Standard for the Thermocouple Type you will be using.
1
Find the thermoelectric voltage for the desired operating temperature.
2
3
Find the thermoelectric voltages for the temperatures –50°F and +150°F away from the
desired operating temperature.
4
The zero calibration voltage will be thermoelectric voltage for the –50°F temperature
minus the thermoelectric voltage for the desired operating temperature. This will be a
negative voltage.
5
The span calibration voltage will be thermoelectric voltage for the +150°F temperature
minus the thermoelectric voltage for the desired operating temperature. This will be a
positive voltage.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 75
Input Calibration
_
For example: Determine the calibration voltage values for a pair of J-type thermocouples
at an operating temperature of 450
• The ITS-90 standard for the J thermocouple shows that the thermoelectric
• The –50°F point would be 400°F. The ITS-90 standard shows that the
• The +150°F point would be 600°F. The ITS-90 standard shows that the
• The zero calibration voltage is thus 11.025 minus 12.568 millivolts or –1.543
• The span calibration voltage is thus 17.188 minus 12.568 millivolts or +4.62
• Use –1.54 millivolts for the Zero calibration value and +4.62 millivolts for the
°F (this is equivalent to the Factory setting).
voltage for 450
thermoelectric voltage for 400
thermoelectric voltage for 600
°F is 12.568 millivolts.
°F is 11.025 millivolts.
°F is 17.188 millivolts.
millivolts (this can be rounded off to –1.54 millivolts without significant loss of
accuracy).
millivolts.
Span calibration value.
0 to 10 Volts
Refer to Figure 5-6 and wire the controller according to the procedure given in Table 5-8.
Step Action
1
2
3
Table 5-8 Set Up Wiring Procedure for 0 to 10 Volts
Connect the copper leads from the calibrator to the Input #1 terminals as shown in
Figure 5-6.
Place voltage source at zero before switching on.
Do not switch voltage source ON/OFF while connected to the instrument.
Volt
Source
+
100K pair
1
2
3
26+
27-
Figure 5-6 Wiring Connections for 0 to 10 Volts
76 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Milliamperes
_
Refer to Figure 5-5 and wire the controller according to the procedure given in Table 5-6.
Step Action
1
2
3
Figure 5-7 Wiring Connections for 0 to 20 mA or 4 to 20 mA Inputs
Input Calibration
Table 5-9 Set Up Wiring Procedure for Milliampere Inputs
Connect the copper leads from the calibrator to the Input #1 terminals as shown in
Figure 5-7.
Place current source at zero before switching on.
Do not switch current source ON/OFF while connected to the instrument.
Milliampere
Source
+
250 ohms
26+
27-
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 77
Input Calibration
5.5 Input 1 Calibration Procedure
Preliminary Steps
Apply power and allow the controller to warm up for 30 minutes before you calibrate. •
•
Please read Subsection 5.4 – Input 1 Set Up Wiring before beginning the procedure.
•
Make sure you have LOCK set to NONE. See Subsection 3.4.
•
See Table 5-1 for Voltage vs. Resistance equivalents or 0 % and 100 % range values.
CAUTION
For linear inputs, avoid step changes in inputs. Vary smoothly from initial value to final 100 % value.
Procedure
The calibration procedure for Input #1 is listed in Table 5-10. The numeric codes are also
listed.
Table 5-10 Input 1 Calibration Procedure
Step Operation Press Result
1 Upper Display = CAL
2
Enter Calibration
Mode
Calibrate 0 %
SetupSetup
until you see
FunctionFunctionFunction
FunctionFunctionFunction
Lower Display = INPUT1
You will see:
Upper Display = DIS
Lower Display = CALIN1
The calibration sequence is enabled and you will see:
Upper Display = BEGN
Lower Display = CALIN1
At the completion of the sequence, the selection
automatically reverts to disable.
You will see:
Upper Display = APLY
Lower Display = IN1ZRO
•
Adjust your calibration device to an output signal equal
to the 0 % range value for your particular input sensor.
Table 5-1 for Voltage, Degrees, or Resistance
See
equivalents for 0 % range values.
•
Wait 15 seconds, then go to the next step.
3
78 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Calibrate 100 %
FunctionFunctionFunction
You will see:
Upper Display = APLY
Step Operation Press Result
Lower Display = IN1SPN
•
Adjust your calibration device to an output signal equal
to the 100 % range value for your particular input
sensor. See
Table 5-1 for Voltage, Degrees, or
Resistance equivalents for 100 % range values.
•
Wait 15 seconds, and
If … Then …
you are calibrating a Thermocouple input go to step 4
you are calibrating other than a go to step 5
Thermocouple input
Input Calibration
4
Check the Cold
Junction
Temperature
FunctionFunctionFunction
The calculations for zero and span are now stored and you
will see:
Upper Display = The cold junction temperature at the rear
terminals
Lower Display = CJTEMP
The value in the upper display is in tenths of a degree. It is
the current reading of the temperature as measured at the
thermocouple terminals and recognized by the controller.
You can change this value, if it is in error, using
the
orkeys.
WARNING: The accuracy of the controller is directly
affected by the accuracy of this value. It is recommended
that this value not be changed under normal circumstances.
5
Exit the
Calibration Mode
FunctionFunctionFunction
The controller stores the calibration constants and exits the
calibration mode.
then
Lower
Lower
Lower
Display
Display
Display
5.6 Restore Input Factory Calibration
Introduction
The factory calibration constants for all the input actuation types that can be used with
the controller are stored in its non-volatile memory. Thus, you can quickly restore the
“Factory Calibration” for a given input actuation type by simply changing the actuation
type to another type and then changing it back to the original type.
Refer to Table 5-11 Restore Input Factory Calibration for procedure.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 79
Input Calibration
ATTENTION
A restored factory calibration overwrites any previous field calibration done for the input and
may change the High and Low Range Limits.
Protect your field calibration from accidental overwrites by configuring the appropriate
LOCKOUT selection after calibration.
See the
Section - Configuration for specific instructions to set the lockout. 3
Table 5-11 Restore Input Factory Calibration
Step Operation Press Result
1
2
3
Set LOCKOUT to
NONE
Enter INPUT 1
Setup Group
Scroll through
Functions
SetupSetup
FunctionFunctionFunction
or
SetupSetup
FunctionFunctionFunction
or
FunctionFunctionFunction
until you see:
Upper Display
Lower Display = LOCK
= SET UP
Until you see:
Upper Display = one of the following:
NONE – all parameters are read/write
CAL – all parameters are read/write except Calibration
CONF – configuration parameters are Read Only; no writes
permitted
Lower Display = LOCK
Until NONE is in the upper display
until you see:
Upper Display
Lower Display = INPUT 1
= SET UP
until you see:
Upper Display
Lower Display = IN1TYP
= the current selection
to change the current selection to another selection
until the lower display rolls through the rest of the functions and
returns to:
Upper Display = the new selection
Lower Display = INxTYP
or
until you change the input selection in the upper display back to the
proper selection. You will see:
Upper Display = Original Input Selection that matches your
type of sensor.
Lower Display = INxTYP
4
Return to Normal
Operation
Lower
Lower
Lower
Display
Display
Display
to return to Normal operating mode.
The factory calibration will be restored.
80 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Input Calibration
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 81
6.1 Overview
Introduction
This section describes the field calibration procedures for the Auxiliary Output.
What's in this section?
The following topics are covered in this section.
6.1 Overview 83
6.2 Auxiliary Output Calibration 83
6.3 Restore Output Factory Calibration85
Output Calibration
6 Output Calibration
TOPIC See Page
WARNING—SHOCK HAZARD
OUTPUT CALIBRATION MAY REQUIRE ACCESS TO HAZARDOUS LIVE CIRCUITS, AND
SHOULD ONLY BE PERFORMED BY QUALIFIED SERVICE PERSONNEL. MORE THAN
ONE SWITCH MAY BE REQUIRED TO DE-ENERGIZE UNIT BEFORE CALIBRATION.
6.2 Auxiliary Output Calibration
Introduction
Calibrate the controller so that the auxiliary output provides the proper amount of current
over the desired range. The controller can provide an auxiliary current output range of
from 0 mA to 20 mA and can be calibrated at 4 mA for 0 % of output and 20 mA for
100 % of output or any other values between 0 mA and 21 mA.
Equipment Needed
You will need a calibrating device with whatever accuracy is required, capable of
measuring 0 to 20 mA.
Calibrator Connections
Refer to Figure 6-1 and wire the controller according to the procedure given in Table 6-1.
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 83
Output Calibration
_
_
Step Action
1
2 Set LOCK in the Tuning Set Up group to NONE.
3
4
Table 6-1 Set Up Wiring Procedure for Auxiliary Output
Apply power and allow the controller to warm up 30 minutes before you calibrate.
Tag and disconnect the field wiring, at the rear of the controller, from terminals 12 (+)
and 13 (–). See
Connect a milliammeter across these terminals.
Figure 6-1.
12
13
+
Milliammeter
+
xxxx
Figure 6-1 Wiring Connections for Calibrating Auxiliary Output
84 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Procedure
The procedure for calibrating the auxiliary output is listed in Table 6-2. The numeric
codes are also listed.
Make sure “LOCK” in the Lock Set Up group is set to “NONE” (see Subsection 3.4).
Table 6-2 Auxiliary Output Calibration Procedure
Step Operation Press Result
Output Calibration
1 Upper Display = CAL
Enter Calibration
Mode
SetupSetup
Lower Display = AUXOUT
until you see
2
Calibrate 0 %
FunctionFunctionFunction
You will see:
Upper Display = A Value
Lower Display = ZROVAL
or
until the desired 0 % output is read on the milliammeter,
use the values shown below depending on the action of
your controller.
3
Calibrate 100 %
FunctionFunctionFunction
To store the 0 % value you will see:
Upper Display = A Value
Lower Display = SPNVAL
until the desired 100 % output is read on the milliammeter.
The controller stores the span value.
To exit the calibration mode.
4
Exit the
Calibration Mode
or
FunctionFunctionFunction
Lower
Lower
Lower
Display
Display
Display
6.3 Restore Output Factory Calibration
Introduction
The factory calibration constants for the Auxiliary Outputs are stored in its non-volatile
memory. Thus, you can quickly restore the “Factory Calibration” for those outputs by
simply changing the ARANGE to the other setting and then changing it back to the
original type.
Refer to Table 6-3 Restore Factory Calibration for procedure
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 85
Output Calibration
ATTENTION
A restored factory calibration overwrites any previous field calibration done for the output.
Protect your field calibration from accidental overwrites by configuring the appropriate
LOCKOUT selection after calibration.
Section - Configuration for specific instructions to set the lockout. 3
See
Table 6-3 Restore Factory Calibration
Step Operation Press Result
1
2
3
Set LOCKOUT to
NONE
Enter OUTPUT
or OPTIONS
Setup Group
Scroll through
Functions
SetupSetup
FunctionFunctionFunction
or
SetupSetup
FunctionFunctionFunction
or
FunctionFunctionFunction
until you see:
Upper Display
Lower Display = TUNING
= SET
Until you see:
Upper Display = one of the following:
NONE – all parameters are read/write
CAL – all parameters are read/write except Calibration
CONF – configuration parameters are Read Only; no writes
permitted
VIEW – Tuning and Setpoint Ramp parameters are
read/write. No other parameters can be viewed.
ALL – Tuning and Setpoint Ramp parameters are available
for read only. No other parameters can be viewed.
Lower Display = LOCK
Until NONE is in the upper display
until you see:
Upper Display
Lower Display = OPTION (for the Auxiliary Output)
= SET
until you see:
Upper Display
Lower Display = ARANGE (for the Auxiliary Output)
= the current selection
to change the range configuration to the other selection
until the lower display rolls through the rest of the functions and
returns to:
Upper Display = the new selection
Lower Display = ARANGE (for the Auxiliary Output)
or
to change the range selection in the upper display back to the
proper selection. You will see:
Upper Display = Original range selection
Lower Display = ARANGE (for the Auxiliary Output)
4
Return to Normal
Operation
Lower
Lower
Lower
Display
Display
Display
to return to Normal operating mode.
The factory calibration will be restored.
86 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
7.1 Overview
Introduction
Instrument performance can be adversely affected by installation and application
problems as well as by hardware problems. We recommend that you investigate the
problems in the following order:
• installation related problems
• application related problems
• hardware and software related problems
and use the information presented in this section to solve them.
What's in this section?
Troubleshooting/Service
7 Troubleshooting/Service
The following topics are covered in this section.
TOPIC See Page
7.1 Overview 87
7.2 Troubleshooting Aids
• Overall Error Messages
• Controller Failure Symptoms
• Customer Support
• Determining the Software Version Number
7.3 Power-up Tests 90
7.4 Status Tests 90
7.5 Background Tests 91
7.6 Controller Failure Symptoms 93
7.7 Troubleshooting Procedures
• Power Failure
• Alarm Relay Output Failure
• Keyboard Failure
7.8 Restore Factory Configuration 100
88
94
Installation related problems
Read the Installation section in this manual to make sure the UDC2500 has been properly
installed. The installation section provides information on protection against electrical
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 87
Troubleshooting/Service
noise, connecting external equipment to the controller, and shielding and routing external
wiring.
ATTENTION
System noise induced into the controller will result in diagnostic error messages recurring. If the diagnostic
error messages can be cleared, it indicates a “soft” failure and is probably noise related.
If system noise is suspected, completely isolate the controller from all field wiring. Use calibration sources
to simulate PV and check all controller functions; i.e. Gain, Rate, Reset, Output, Alarms, etc.
Application related problems
Review the application of the controller; then, if necessary, direct your questions to the
local sales office.
Hardware and software related problems
Use the troubleshooting error message prompts and controller failure symptoms to
identify typical failures which may occur in the controller. Follow the troubleshooting
procedures to correct them.
7.2 Troubleshooting Aids
Overall error messages
An error message can occur:
• At power-up. See Subsection 7.3.
• When the Status Tests are requested. See Subsection 7.4.
• During continuous background tests while in normal operation. See Subsection 7.5.
Controller failure symptoms
Other failures may occur that deal with the Power, Output, or Alarms. Refer to the
controller failure symptom in
troubleshooting procedures to use to correct the problem.
Check installation
If a set of symptoms still persists, refer to Section 2 - Installation and ensure proper
installation and proper use of the controller in the system.
Table 7-4 to determine what is wrong and the
88 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
Determining the software version
Table 7-1 lists the procedure for identifying the software version number.
Table 7-1 Procedure for Identifying the Software Version
Step Operation Press Result
Select
1
STATUS
Set Up Group
Read the software
2
version
SetupSetup
FunctionFunctionFunction
Upper Display = READ
Lower Display = STATUS
You will see:
Upper Display = Software version number
26xx
Lower Display = VERSION
Please give this number to the Customer Support person. It
will indicate which version of UDC2500 you have and help
them determine a solution to your problem.
Troubleshooting/Service
3/07 UDC2500 Universal Digital Limit ControllerProduct Manual 89
Troubleshooting/Service
7.3 Power-up Tests
What happens at power-up
When power is applied, the controller will run three diagnostic tests. After these tests are
completed, “TEST DONE” is displayed.
Test Failures
If one or more of these tests fail, the controller will go to the Failsafe Manual Mode, and
FAILSF will flash in the lower display and a message indicating which test failed will
appear in the lower display. Then, “DONE” will appear in the lower display.
7.4 Status Tests
Introduction
When required, the results of these tests can be checked to determine the reason the
controller has gone to Failsafe.
How to check the status tests
The procedure in Table 7-2 tells you how to display the results of the status tests.
Table 7-2 Procedure for Displaying the Status Test Results
Step Operation Press Result
Select
1
STATUS
Set Up Group
Read the test
2
results
SetupSetup
FunctionFunctionFunction
FunctionFunctionFunction
Upper Display = READ
Lower Display = STATUS
You will see:
Upper Display = NO or YES YES indicates a failure
Lower Display = FAILSAFE
Upper Display = PASS or FAIL
Lower Display = TEST
90 UDC2500 Universal Digital Limit ControllerProduct Manual 3/07
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