User Manual

Electrical connections
78
/ Control output
The connector may only be used for control of a JULABO refrigerated
circulator or JULABO MVS Solenoid valve controller for cooling water.
Pin assignment:
Pin Signal (only with attached JULABO equipment)
1 +24 V (I max. current 25 mA)
2 0 V
3 Alarm relay
4 Reserved - do not use!
5 Cooling pulse
ALARM
Alarm output
(for external alarm signal)
This potential-free change-over contact is activated in case of an alarm
when pins 2 and 3 are connected.
Switching capacity max. 30 W / 40 VA
Switching voltage max. 125 V∼/−
Switching current max. 1 A
Functional description see page 72
AK
1
2
3
STAND-BY
STAND-BY input
(for external emergency switch-off)
Pin assignment: Pin Signal
1 not connected
2 5 V / DC
3 0 V
Functional description see page 6
1
2
3
4
5
6
REG+E-PROG
Programmer input / temperature recorder output
Pin Signal
1 Voltage output Channel 1 0 ... 10 V
2 Voltage output Channel 2 0 ... 10 V
3 GND for outputs 0 V
4 Programmer input EPROG 0 to 10 V / 0 to 20 mA
5 Current output Channel 3 0 to 20 mA / 4 to 20 mA
6 GND for Progammer 0 V
Functional description see page 69