ConsoliDator®
Multi-Channel Controller
Instruction Manual
ConsoliDator 8 ConsoliDator 4
Eight 4-20 mA Inputs Four 4-20 mA Inputs
Eight 24 VDC @ 20 mA Four 24 VDC @ 20 mA
Two 4-20 mA Outputs Four 4-20 mA Outputs
Features and Highlights
Nine Form C 10 A Relays Powered from AC or DC
Four Pulse Inputs 32-Point Linearization
Four Digital Inputs RS-232 Modbus
Panel or wall mount Square Root Function
Sum and Difference
Functions
FREE Programming &
data logging software
Software
Included!
®
RTU
PC
PRECISION DIGITAL CORPORATION
89 October Hill Road • Holliston MA 01746 USA
Tel (800) 343-1001 • Fax (508) 655-8990
www.predig.com
ConsoliDator Multi-Channel Controlle
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Instruction Manual
Visit our Web Site
http://www.predig.com/
Disclaimer
The information contained in this document is subject to change without notice. Precision
Digital Corporation makes no representations or warranties with respect to the contents
hereof, and specifically disclaims any implied warranties of merchantability or fitness for a
particular purpose.
All trademarks mentioned in this document are the property of their respective owners.
Copyright © 2009-2012 Precision Digital Corporation
This document contains ratings and requirements necessary for proper installation.
Distribution of modified versions is strictly prohibited. Any text, chart, diagram, or table
reproduced must be reproduced in its entirety without alteration.
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INTRODUCTION
The ConsoliDator is an easy to use multiple-channel controller. It accepts 4-20 mA inputs,
flow meter pulse inputs, and digital inputs. It is equipped with multiple relays, which all have
user-definable actions, 4-20 mA outputs, and Modbus protocol communication capabilities.
ORDERING INFORMATION
ConsoliDator Controllers
4-20
Model Mounting
PD980-8K9-15 Wall
PD981-8K9-15 Panel
PD940-8K9-15 Wall
PD941-8K9-15 Panel
Inputs
8 4 2 9
4 4 4 9
Accessories
Model Description
PDA2901 NEMA 4X Enclosure for PD981 or PD941 models.
PDA2904 NEMA 4X Large Enclosure for PD981 or PD941 models.
PDP2901 Sub Panel with Terminal Strips for PDA2901 Enclosure.
PDP2902 Low-Cost Sub Panel without Terminal Strips for PDA2901.
PDP2904 Sub Panel with Terminal Strips for PDA2904 Enclosure.
PDP2905 Low-Cost Sub Panel without Terminal Strips for PDA2904.
PDA6901 2" Pipe Mounting Kit for PDA2901 Enclosure.
PDA6902 2" Pipe Mounting Kit for PDA2904 Enclosure.
PDX6901 Snubber .01µF, 470Ω, Flexible Leads.
PDA7485-I RS-232 to RS422/485 Isolated Converter
PDA7485-N RS-232 to RS422/485 Non-Isolated Converter
PDA8232-N USB to RS-232 Converter
PDA8485-I USB to RS422/485 Isolated Converter
PDA8485-N USB to RS422/485 Non-Isolated Converter
PDA9232-01 ConsoliDator Null Modem Cable
PDA9232-02 RS-232 Computer Cable
Setup & Programming Services
Part Number Description
PDN-CSETUP2 Custom Setup & Programming
PDN-CERTCAL Certificate of Calibration
PDN-CERTCAL2 Certificate of Calibration with Data
PDA2901
Optional enclosure features quick-release
latches, a hinged front panel and internal space
for mounting additional components such as
relays and switches.
Pulse
Inputs
Model: PDP2901
Sub Panel for PDA2901 Enc
J7
POWER
GND
+
DC POWER
J8
RELAY
NO NCC
RELAY 9
GND HN
C POWER
4-20
Outputs
1
INPUT
K
K
K
C
O
E
E
E
Y
Y
Y
M
M
3
5
4
O
N
EXTERNAL KEYPAD
J2
OUTPUT
+
L
G
L
2
O
O
N
4
O
O
D
P
P
I
O
N
U
T
ANALOG
COMMON
OUTPUT 1
OUTPUT 2
INTERNAL
POWER
J3
INPUT
GND/
GND/
+
-
RET
RET
NALOG 5/
NALOG 6/
FLOW 1
FLOW 2
J4
INPUT
GND/
GND/
+
-
RET
RET
NALOG 1ANALOG 2ANALOG 3ANALOG 4
J5
RELAY
NO NCC
NO NCC
RELAY 5
RELAY 6
J6
RELAY
NO NCC
NO NCC
RELAY 1
RELAY 2
Relays
+
+
K
K
+
+
E
E
I
I
I
I
N
N
N
N
Y
Y
GG
P
P
P
P
1
2
U
U
U
U
T
T
T
T
4
3
1
2
DIGITAL INPUTS
L
G
L
+
L
L
L
L
O
O
2
O
O
O
O
N
4
O
O
O
O
O
O
D
P
P
P
P
P
P
I
O
I
O
O
I
N
N
N
U
U
U
T
T
T
ANALOG
ANALOG
ANALOG
COMMON
OUTPUT 3
OUTPUT 4
INTERNAL
POWER
GND/
GND/
+
-
+
-
+
-
RET
RET
NALOG 7/
NALOG 8/
FLOW 3
FLOW 4
GND/
GND/
+
-
+
-
+
-
RET
RET
NO NCC
NO NCC
RELAY 7
RELAY 8
NO NCC
NO NCC
RELAY 3
RELAY 4
PDP2901
Optional sub panel features terminal
strips for convenient installation of all
power, analog, and relay lines using up
to 8 AWG wire.
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TABLE OF CONTENTS
INTRODUCTION ----------------------------------------------------------------------- 3
ORDERING INFORMATION -------------------------------------------------------- 3
TABLE OF CONTENTS -------------------------------------------------------------- 4
SPECIFICATIONS --------------------------------------------------------------------- 7
General ------------------------------------------------------------------------------------------- 7
4-20 mA Analog Inputs --------------------------------------------------------------------- 8
Flow Meter Pulse Inputs -------------------------------------------------------------------- 8
Digital Inputs ----------------------------------------------------------------------------------- 8
Relays -------------------------------------------------------------------------------------------- 9
4-20 mA Transmitter Outputs ----------------------------------------------------------- 10
Modbus® Serial Communications ----------------------------------------------------- 10
ConsoliDator® Software ------------------------------------------------------------------ 10
Compliance Information ------------------------------------------------------------------ 10
SAFETY INFORMATION ---------------------------------------------------------- 11
INSTALLATION ---------------------------------------------------------------------- 12
Unpacking ------------------------------------------------------------------------------------- 12
Wall Mounting ------------------------------------------------------------------------------- 12
Panel Mounting ------------------------------------------------------------------------------ 13
Connections ---------------------------------------------------------------------------------- 14
Power Connections ---------------------------------------------------------------------- 14
Input Signal Connections --------------------------------------------------------------- 15
4-20 mA Analog Input Connections ---------------------------------------------- 15
Flow Meter Pulse Input Connections --------------------------------------------- 16
Digital Input Connections ----------------------------------------------------------- 16
Analog Output Connections ------------------------------------------------------------ 17
Note: All inputs and outputs share a common ground. DO NOT power
inputs and outputs with the same power supply.Relay Connections -------- 17
Relay Connections ----------------------------------------------------------------------- 18
Switching Inductive Loads ---------------------------------------------------------- 18
Serial Communication Connections ------------------------------------------------- 19
Serial Communication Using RS-422/485 -------------------------------------- 19
External Keypad Connections --------------------------------------------------------- 19
NAVIGATING AND EDITING ----------------------------------------------------- 20
SETUP AND PROGRAMMING -------------------------------------------------- 21
Main Setup Menu --------------------------------------------------------------------------- 22
General Functions ------------------------------------------------------------------------ 22
Buzzer ----------------------------------------------------------------------------------- 22
Time Out -------------------------------------------------------------------------------- 22
Password -------------------------------------------------------------------------------- 22
Backlight --------------------------------------------------------------------------------- 23
Baud Rate ------------------------------------------------------------------------------- 23
Parity ------------------------------------------------------------------------------------- 23
Modbus ID ------------------------------------------------------------------------------ 23
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Tx Delay --------------------------------------------------------------------------------- 23
Configuring 4-20 mA Inputs ------------------------------------------------------------- 24
Display Preferences --------------------------------------------------------------------- 24
Decimal Point -------------------------------------------------------------------------- 24
Units -------------------------------------------------------------------------------------- 24
Bargraph -------------------------------------------------------------------------------- 24
Input Scaling & Math Functions ------------------------------------------------------- 25
Linear ------------------------------------------------------------------------------------ 25
Square Root ---------------------------------------------------------------------------- 26
Exponent -------------------------------------------------------------------------------- 27
Integration Mode ---------------------------------------------------------------------- 28
Fixed Value ----------------------------------------------------------------------------- 28
Summation & Difference ------------------------------------------------------------ 28
Multi-Point Linearization ------------------------------------------------------------- 29
Sensor Input Setup ----------------------------------------------------------------------- 29
Setting Flow Meter Pulse Inputs ------------------------------------------------------- 30
Display Parameters ---------------------------------------------------------------------- 30
Input Configuration Parameters ------------------------------------------------------- 30
Programming Relays ---------------------------------------------------------------------- 31
Supervisory or Summary Alarm Modes --------------------------------------------- 31
High or Low Alarm Modes -------------------------------------------------------------- 31
Multi-Channel High or Low Alarm Modes ------------------------------------------ 32
High or Low Pulse Alarm Modes ----------------------------------------------------- 33
Trigger Alarm Mode ---------------------------------------------------------------------- 34
Annunciator High or Low Alarm Modes --------------------------------------------- 34
Plunger Lift by Differential Pressure Mode ----------------------------------------- 35
Plunger Lift by Time Mode ------------------------------------------------------------- 35
Lead-Lag Modes (Pump Alternation Control) ------------------------------------- 36
Linear Pulse Width Modulation Mode ----------------------------------------------- 38
Proportional Plus Integral Pulse Width Modulation Mode ---------------------- 39
Setting 4-20 mA Outputs ----------------------------------------------------------------- 40
Linear Scaling of 4-20 mA Output ---------------------------------------------------- 40
PID Control Using 4-20 mA Output -------------------------------------------------- 40
OPERATION -------------------------------------------------------------------------- 41
Manual and Simulation Modes --------------------------------------------------------- 45
Contrast Adjustment Control ----------------------------------------------------------- 46
MODBUS® SERIAL COMMUNICATION --------------------------------------- 47
Modbus Register Tables ----------------------------------------------------------------- 47
CONSOLIDATOR MONITOR SOFTWARE ----------------------------------- 52
Connecting to PC --------------------------------------------------------------------------- 52
Installing Software ------------------------------------------------------------------------- 52
Using ConsoliDator Monitor Software ----------------------------------------------- 52
Data Logging ------------------------------------------------------------------------------ 53
Programming Through Software ------------------------------------------------------ 53
OVERALL DIMENSIONS ---------------------------------------------------------- 54
TROUBLESHOOTING TIPS ------------------------------------------------------ 55
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Table of Figures
Figure 1. Wall Mount Dimensions (PD980 & PD940) ..................................... 12
Figure 2. Panel Mount Dimensions (PD981 & PD941) ................................... 13
Figure 3. Power Connections .......................................................................... 14
Figure 4. Transmitter Powered by Ext. Supply or Self-Powered .................. 15
Figure 5. Transmitters Powered by ConsoliDator ......................................... 15
Figure 6. Three-Wire Transmitters Powered Externally ................................ 15
Figure 7. Flow Meter Pulse Input Connections .............................................. 16
Figure 8. Digital Input From Switch Closure .................................................. 16
Figure 9. Digital Input From Live Signal ......................................................... 16
Figure 10. 4-20 mA Output Powered by ConsoliDator .................................. 17
Figure 11. 4-20 mA Output Powered by External Supply .............................. 17
Figure 12. Relay Connections ......................................................................... 18
Figure 13. AC and DC Loads Protection ......................................................... 18
Figure 14. Low Voltage DC Loads Protection ................................................ 18
Figure 15. Serial Connections ......................................................................... 19
Figure 16. External Keypad Connections ....................................................... 20
Figure 17. Linear Response Graph ................................................................. 25
Figure 18. Square Root Response Graph ....................................................... 26
Figure 19. Exponent Response Graph............................................................ 27
Figure 20. Pulse Relay Timing Diagram ......................................................... 33
Figure 21. Linear PWM Relay Timing Example .............................................. 38
Figure 22. PD980 & PD940 Overall Dimensions ............................................. 54
Figure 23. PD981 & PD941 Overall Dimensions ............................................. 54
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SPECIFICATIONS
Except where noted all specifications apply to operation at +25°C (77°F.)
General
DISPLAY Graphical: 4.75" x 3.5" (121 mm x 89 mm) LCD with backlight
DISPLAY UPDATE
RATE
PROGRAMMING
METHOD
CALIBRATION All ranges are calibrated at the factory.
PASSWORD Programmable password restricts modification of programmed
NON-VOLATILE
MEMORY
POWER AC: 90-264 VAC, 47 to 63 Hz, 20 VA
FUSE AC: Unit is protected internally. 5 A max, slow blow, 250 V min UL
ISOLATION &
GROUNDING
ENVIRONMENTAL Operating temperature range: 0 to 50°C (32 to 122°F)
CONNECTIONS Removable screw terminal blocks accept 12 to 24 AWG wire.
TIGHTENING
TORQUE
ENCLOSURE Type 1; Powder-coated steel; Color: warm gray
MOUNTING Wall Mount (PD980 & PD940): four screws/bolts
OVERALL
DIMENSIONS
WEIGHT 5.5 lb (2.5 kg)
WARRANTY
EXTENDED
WARRANTY
320 X 240 pixels; Bargraph: Twenty divisions; Numerical: ±999999 or
99’ 11.9” (feet and inches)
1 every 2 seconds
Front panel buttons, external buttons, PC with ConsoliDator software,
or Modbus registers.
settings and use of manual control functions.
Settings stored for a minimum of 10 years.
DC: 8-30 VDC, 15 W
Recognized external fuse recommended.
DC: 5 A max, slow blow, 250 V (or 50 V min) UL Recognized
external fuse recommended.
AC power is isolated from all inputs, outputs and relays to 1500 VAC.
Isolation to 500 VAC between analog inputs and analog outputs
requires powering analog outputs with external supply.
Signal and output power grounds are connected to earth (chassis)
ground. DC Power not isolated.
Storage temperature range: -40 to 60°C (-40 to 140°F)
Relative humidity: 0 to 90% non-condensing
*All functions operate down to -10°C (14°F.) LCD response is slower
below 0°C (32°F) and may need contrast adjustment to be readable.
DB9 male for serial connection.
Screw terminal connectors: 4.5 lb-in (0.5 Nm)
Panel Mount (PD981 & PD941): four screws/bolts
Cutout: 7.37" x 8.35" (187 mm x 212 mm)
Wall Mount 8.75" x 8.00" x 3.00" (222 mm x 203 mm x 76 mm)
(H x W x D)
Panel Mount 8.66" x 9.36" x 3.10" (220 mm x 238 mm x 79 mm)
(H x W x D)
1 year parts and labor
1 or 2 years, refer to Price List for details
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4-20 mA Analog Inputs
INPUT 4-20 mA; minimum span of 1 mA
ACCURACY
TEMPERATURE DRIFT
INPUT FUNCTION Linear, Square Root, Programmable Exponent, Multi-Point
MATH FUNCTION Sum or difference of 2 or more channels.
TOTALIZER Calculates total based on rate and time base of second,
TOTALIZER RESET Via front panel buttons (password restricted)
DECIMAL POINT User selectable zero to six places with automatic overflow.
INPUT RANGE 4-20 mA, Minimum span of 1 mA
INPUT IMPEDANCE
NORMAL MODE
REJECTION
TRANSMITTER POWER
SUPPLY
ENGINEERING UNITS User selectable units or custom-entered units.
±0.03% of span 1 count
50 PPM/C from 0 to 50°C ambient
(up to 32), or Fixed Value
minute, hour, or day; stored in non-volatile memory every 5
minutes; supports linear inputs only.
130
Greater than 100 dB at 50/60 Hz.
Each input is equipped with +24 VDC current limited to
40 mA. External supply may be substituted.
Flow Meter Pulse Inputs
ACCURACY ±1 count for K-Factor > 1
SIGNAL RANGE 100 mVp-p to 15 Vp-p; 1 Hz to 10 kHz
K-FACTOR Programmable from 0.00001 to 999999 pulses/unit
DISPLAY OPTIONS Rate and total values displayed on screen.
ENGINEERING UNITS Show Total/Rate combinations:
RATE & TOTAL
DECIMAL POINT
TOTALIZER Calculates total based on rate. Reading stored in non-
TOTALIZER RESET Via front panel buttons (Password restricted)
Bargraphs user selectable to indicate either total or rate.
GAL & GPS, GAL & GPM, GAL & GPH, GAL & GPD, MG &
MGD, BBL & BPH, BBL & BPD, LTR & LPs, LTR & LPM,
LTR & LPH, LTR & LPD, CF & CFS, CF & CFM, CF &
CFH, CF & CFD, MCF & MCD.
Independent and user selectable from zero to six places
with automatic overflow.
volatile memory every 5 minutes for power-loss recovery.
Digital Inputs
INPUT TYPES Normally open switch: External excitation not required.
INPUT IMPEDANCE
SIGNAL REQUIREMENTS Minimum input pulse (closed contact or LO) duration: 1 sec
Open collector transistor: Open circuit voltage = 3 VDC
Closed Circuit Current = 18.5 mA
Switch closure or logic LO to terminals interpreted as "ON"
LO = 0 to 1 VDC, HI = 2.5 to 12 VDC
240
Maximum input pulse frequency: 30 cycles per minute
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Relays
RATING SPDT (form C); rated 10 A @ 120/240 VAC or 5 A @ 28 VDC
ISOLATION 1500 VAC between coil and contacts
DEADBAND 0-100% of full scale, user selectable
ELECTRICAL NOISE
SUPPRESSION
ASSIGNMENT &
OPERATION
MANUAL
OVERRIDE
ACKNOWLEDGE Front panel ACK key resets relays in Supervisory, Summary and
TIME DELAY Programmable on/off delays, 0-999.9 sec
AUTO
INITIALIZATION
resistive load; 1/3 HP @ 120/240 VAC for inductive loads.
Minimum load: 50 mA for AC, 10 mA @ 5 VDC
An external suppressor (snubber) should be connected to each
relay contact switching inductive loads, to prevent disruption to
the microprocessor’s operation.
Recommended suppressor value: 0.01 µF/470 , 250 VAC
(Order: PDX6901.)
Any relay may be assigned to any analog or flow meter pulse
input channel. Multiple relays may be assigned to the same
channel. All relays are programmed independently.
High or Low Alarm: Assign to analog or pulse channel for on/off
relay control.
Multi-Channel High or Low Alarm: Assign two or more analog
channels. Indicate common high or low condition.
Annunciator High or Low: Assign to analog or pulse channel for
on/off relay control with reset capability from digital input switch.
Summary Alarm: Use to indicate any relay entering alarm state.
Supervisory Alarm: Use to indicate CPU failure or analog input
signal loss.
High or Low Pulse Action: Assign to analog or pulse input
channel for pulsing on/off timed relay control. Programmable
pulse width and delay.
Trigger: Assign to pulse channel for indication of user-defined
total increment. Programmable for scaled pulse output.
Plunger Lift: Assign to analog and/or pulse channels to control a
plunger lift system.
Lead-Lag Alternation (Sequence): Link multiple relays for
sequential operation. (Up to 9 relays.) Programmable override set
points to turn on up to 5 relays.
Pulse Width Modulation: Assign to analog or pulse channel for
on/off signal modulated by input. User selectable cycle time.
PI Control: Assign to analog or pulse channel for Proportional
plus Integral on/off modulated duty cycle. Manual tuning required.
Override any relay (Password restricted.) Relays do not respond
to input in this mode.
Annunciator Alarm Modes.
Independent for each relay.
When power is applied to the controller, relays will reflect the
state of the input to the controller.
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4-20 mA Transmitter Outputs
OUTPUT RANGE 4.00 to 20.00 mA
CALIBRATION Factory calibrated for 4-20 mA
SCALING RANGE Any process range.
ASSIGNMENT &
OPERATION
ACCURACY
TEMPERATURE DRIFT
OUTPUT LOOP POWER Self powered or externally powered by 12 to 32 VDC
OUTPUT LOOP
RESISTANCE
ISOLATION 1500 V output-to-power line; 500 V output-to-input when
Assign to any analog or pulse input channel for linear
scaling or for manually tuned PID control output.
±0.05% F.S. 0.01 mA
50 PPM/C from 0 to 50C ambient.
Powered by controller: 10 to 600
Powered by external 12 VDC: 10 to 300
Powered by external 24 VDC: 10 to 600
Powered by external 32 VDC: 10 to 900
powered by external supply.
Output & Input drifts are separate.
Modbus® Serial Communications
COMPATIBILITY EIA-232
PROTOCOL Modbus RTU
DEVICE ADDRESS Programmable between 1 and 247
TRANSMIT DELAY Programmable between 0 and 300 ms
BAUD RATE Programmable from 1200 to 38400
DATA 8 bit (1 start bit, 1 stop bit)
PARITY EVEN, NONE with 1 stop bit, or NONE with 2 stop bits.
ConsoliDator® Software
SYSTEM
REQUIREMENTS
COMPATABILITY Separate versions for ConsoliDator 4 and ConsoliDator 8.
COMMUNICATION RS-232 using null-modem serial cable.
LOGGING
REPORTS
LOGGING REPORT Log to comma separated value (.csv) file compatible with
CONFIGURATION Configure inputs and outputs. Store ConsoliDator settings file on PC
Windows® 95/98/ME/NT4/2000/XP
Programmable between 1 sec. and 10 min.
spreadsheet applications such as Microsoft® Excel.
for programming other controllers or restoring settings.
Compliance Information
UL LISTED USA and Canada: UL 508 Industrial Control Equipment
UL FILE NUMBER E160849
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Instruction Manual
!
CAUTION: Read complete
instructions prior to installation
and operation of the controller.
WARNING
Hazardous voltages present. Installation and service should be performed
only by trained service personnel.
WARNING: Risk of
electric shock.
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INSTALLATION
Unpacking
Remove the instrument from its box. Inspect the packaging and contents for damage.
Report any damages to the carrier. If any part is missing or the controller malfunctions,
please contact your supplier or the factory for assistance.
Wall Mounting
(For PD980 & PD940 Models)
Obtain four #10 (M5) screws and nuts.
Prepare four 1/4" (6 mm) holes through mounting surface spaced as shown.
Allow at least 2” (5 mm) of free space on all sides so that the removable screw
terminals and DB9 connector may be accessed for wiring.
Secure instrument to surface.
Dia. 0.25" (6 mm) 4 places
7.25" (184 mm)
Figure 1. Wall Mount Dimensions (PD980 & PD940)
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Panel Mounting
(For PD981 & PD941 Models)
Obtain four #8 (M4) screws and nuts.
Obtain four washers with at least 5/16" (8 mm) O.D. If the device will be subjected to
vibration, lock washers are necessary.
Prepare four 1/4" (6 mm) clearance holes through mounting surface spaced as shown.
Prepare panel cutout.
8.35" W x 7.37" H (212 mm x 187 mm)
Center cutout vertically and horizontally with respect to holes.
Maximum allowable inner radii: 0.1" (2.5 mm.)
Remove all connectors.
Insert controller and secure to surface.
PANEL
CUTOUT
8.86" (225 mm)
Figure 2. Panel Mount Dimensions (PD981 & PD941)
4 CLEARANCE HOLES
Dia. 0.25" (6 mm)
8.16" (207 mm)
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Connections
Connections are made to removable screw terminal connectors and a DB9 male serial
connector. They are located around the sides of the controller.
Use copper wire with 60°C or 60/75°C insulation for all
line voltage connections. Observe all safety regulations.
!
Electrical wiring should be performed in accordance with
all applicable national, state, and local codes to prevent
damage to the instrument and ensure personnel safety.
Power Connections
Power connections are made to one of the power terminal connectors. All units are capable
of being powered either by AC or by DC for the ranges specified.
CONNECT ONLY ONE OF THE POWER INPUTS
120-250 VAC Power (90 VAC min, 264 VAC max)
Use three-terminal power connector as shown in Figure 3.
Unit is protected internally. 5 A max, slow blow, 250 V min UL Recognized
external fuse recommended.
8-30 VDC Power
Use two-terminal power connector as shown in Figure 3.
5 A max, slow blow, 250 V (or 50 V min) UL Recognized external fuse
recommended.
AC POWER
120-250V
47-63 Hz
GND N H
DC POWE
8-30V
+ GND
AC HOT
AC NEUTRAL
EARTH GROUND
Figure 3. Power Connections
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Input Signal Connections
Input signal connections are made to terminal connectors, which are labeled individually on
the controller.
4-20 mA Analog Input Connections
Analog 4-20 Input connections are made to three-terminal connectors. The following figures
show examples for typical applications. Each of the 4-20 mA inputs may be connected in
any of the modes shown below.
ANALOG INPUT
GND
+
ANALOG INPUT
GND
+
++
External
Power
Supply
Figure 4. Transmitter Powered by Ext. Supply or Self-Powered
NALOG INPUT
GND
+
2-Wire
4-20 mA
Transmitter
2-Wire 4-20 mA
Self-Powered
ANALOG INPUT
GND
+
2-Wire
4-20 mA
Transmitter
Figure 5. Transmitters Powered by ConsoliDator
3-Wire 4-20 mA
Transmitter
+
Transmitter
+
Signal
+
ANALOG INPUT
GND
Power +
+
External Power
Supply
Figure 6. Three-Wire Transmitters Powered Externally
Signal -
3-Wire 4-20 mA
Transmitter
+
Signal +
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Flow Meter Pulse Input Connections
Flow Meter Pulse Inputs are wired to two-terminal connectors. A square waveform is used
in the illustration, but the input is capable of reading many other types of signals within the
voltage and frequency ranges specified.
FLOW-METE
+
G
Signal Source
+
round
Figure 7. Flow Meter Pulse Input Connections
Digital Input Connections
Digital Inputs are wired to two-terminal connectors. Normally open switch contacts may be
used as shown in Figure 8. Figure 9 shows a Digital Input using an NPN open collector
transistor output from a live signal. Logic LO or switch closure appearing across the
terminals is interpreted as ON. When using an open collector transistor, a logic HI at the
base (marked "B" in Figure 9) will be interpreted as ON.
DIGITAL INPU
+
G
Switch Contact
Figure 8. Digital Input From Switch Closure
DIGITAL INPU
+
G
Live Signal
Source
C
B
+
-
Figure 9. Digital Input From Live Signal
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Analog Output Connections
The following figures show examples for 4-20 mA transmitter output connections. Terminal
connectors are labeled individually on the side of the case. In order to obtain isolation from
analog inputs, outputs must be powered from an external supply as shown in Figure 11.
ANALOG OUTPUT
+24
LOOP IN
LOOP OUT
GND
+
Remote Display,
Chart Recorder, etc.
Figure 10. 4-20 mA Output Powered by ConsoliDator
ANALOG OUTPUTS
+24
LOOP IN
LOOP OUT
GND
External Power
Supply
+
+
Remote Display,
Chart Recorder, etc.
Figure 11. 4-20 mA Output Powered by External Supply
Note: All inputs and outputs share a common ground. DO NOT
inputs and outputs with the same power supply.
17
power
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