JULABO EH-39 Open Bath Circulator - Manual (Page 27)

EH
27
Disturbances that are not indicated.
The electronic pump motor is overload-protected by an electronic current
limiter. If viscosity of the bath fluid is or becomes too high, the motor
stops running.
15
A
M
P
Circulator: Mains circuit breakers (resettable) 15 A
8. Electrical connections
Notice:
Use shielded cables only.
The shield of the connecting cable is electrically connected to the plug housing.
/ Control output
The

connector may be used for control of JULABO refrigerated
circulators or as output for alarm messages.
1 3
2
4 5
Circuit: Operation = relay powered
Alarm = relay not powered
Pin assignment:
Pin
Signal
1 +24 V (I max. current 25 mA)
2 0 V
3 Alarm relay
4 Reserved - do not use!
5 Reserved - do not use!