Electrical connections – JULABO EH-39 Open Bath Circulator User 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!