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MASTER
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[25.4]
SERIES SCD
E
DIN RAIL TEMPERATURE/PROCESS CONTROLLERS
Universal Inputs, Up to 8 PID Loops, Modbus® Communications
[57.15]
EXTENSION
PORT
TEMPERATURE
E
O
D
I
V
O
N
L
I
N
Master controller Slave controller
The Series SCD DIN Rail Temperature/Process Controllers offer multiple PID
loops in a compact size. Each SCD-1000 master controller can be combined with
up to seven SCD-2000 slave controllers without any wires. Each controller has one
universal input, one relay output and one user selected output.
BENEFITS/FEATURES
• Expandable from 1 to 8 process control loops
• Universal transmitter or temperature sensor inputs
• RS-485 Modbus® communication
• Dual loop or single loop/alarm output control
MODEL CHART
Model Controller Output 1 Output 2
SCD-1023
SCD-1033
SCD-1053
SCD-1063
SCD-2023
SCD-2033
SCD-2053
SCD-2063
Note: DC current input requires 250 Ω precision resistor.
Master
Master
Master
Master
Slave
Slave
Slave
Slave
Voltage pulse
Relay
Current
Linear voltage
Voltage pulse
Relay
Current
Linear voltage
Relay
Relay
Relay
Relay
Relay
Relay
Relay
Relay
APPLICATIONS
• Oven, boiler, or chiller control
• Hot plates/melt pots
• Packaging equipment
• Environmental chambers
• Medical equipment
• Food service equipment
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1
SPECIFICATIONS
Inputs: Thermocouple, RTD, DC linear
voltage, and DC currents.*
Supply Voltage: 24 VDC.
Power Consumption: 3 W.
Operating Temperature: 32 to 122ºF
(0 to 50ºC).
Memory Backup: Non-volatile.
ACCESSORIES
Model Description
A-277
A-600
MN-1
SCD-PS
SCD-SW
250 Ω precision resistor
R/C snubber
Mini-Node™ USB/RS-485 converter
100-240 VAC/VDC to 24 VDC power supply
Conguration software
Modbus® is a registered trademark of Schneider Electric USA, Inc.
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SLAVE
EXTENSION
PORT
Control Output Ratings: Relay: 3 A
@ 250 VAC resistive; Voltage pulse:
12 VDC, max. output current: 40 mA;
Current: 4-20 mA output; Linear voltage:
0-10 VDC.
Communication: RS-485 Modbus
A-5-11/RTU communication protocol.
Weight: 2.7 oz (76.5 g).
Compliance: CE, cULus.
®
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