Electrical connections – JULABO LC 4 Temperature controller User Manual
Page 29

LC4
29
8. Electrical
connections
Grounded mains socket
Connector for heating device
Maximum 1000 W resistive load at 115 V.
Maximum current 5 A.
Maximum 2000 W resistive load at 230 V.
Maximum current 10 A.
Notice:
Use shielded cables only.
The shield of the connecting cable is electrically connected to the plug
housing.
4
1
3
2
1
4
2
3
Shield
Plug
Look on
soldering side.
Pt100
Connectors for temperature sensors
Pin assignment:
Pin 1
Current +
Pin 2
Voltage +
Pin 3
Voltage -
Pin 4
Current -
/ ALARM - connector
The "
ALARM" connector may be used as output for alarm
messages.
Circuit:
Operation
= relay powered
Alarm = relay not powered
Pin assignment:
Pin 1:
+24 V (max. current 25 mA)
Pin 2: 0 V
Pin 3:
0 V / alarm relay
Pin 4: Reserved - do not use!
Pin 5: Cooling pulse