14033590.01 10/2014 GB/D
16
WIKA operating instructions model CS4S
GB
6.2 Electrical connection
WARNING!
Turn off the power to the controller before working on the terminals or checking
the connections. Touching the connection terminals with the power switched
on may cause an electric shock, which can result in serious injury or death.
WARNING!
■
The connection terminals of the CS4S controller were designed to be wired
from the left hand side.
■
Feed the connecting cables into the terminal from the left, and secure them
by tightening the terminal screws.
■
Dashed lines show the options.
■
If an option is not available, the corresponding terminal connections will
also be missing.
■
Use thermocouples and compensating cables in accordance with the input
configuration of the controller.
■
With resistance thermometers, a 3-wire version must be used.
6. Commissioning, operation
ϑ
50 Ω
Legend:
A1
Alarm output 1
EVT
Output for alarm output 2 and heater burnout alarm
OUT 2
2nd control output
CT
Current transformer for heater burnout alarm
SV2
Parameter memory for 2nd set point
RS-485
Serial interface RS-485
(-R/)
Control output, relay
(-S/)
Control output, logic level 0/12 V
(-A/)
Control output, 4 ... 20 mA analogue current signal
TC
Input thermocouple
RTD
Input resistance thermometer
DC V
Input voltage signal
DC mA
Input current signal
50 Ω
50 Ω measurement shunt for DC current signals