JULABO SE-Z Heating Circulators User Manual
Page 70
Electrical connections
70
/ 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 64
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 61