Owner manual

Cryo-Compact Circulators
67
4
1
3
2
ext. Pt100
Socket for external Pt100 sensor
1
4
2
3
S
hield Plug
Look on
soldering side.
Pt100
Pin assignment:
Pin Signal
1 I+
2 U+
3 U-
4 I-
The shield of the connecting cable is electrically connected to the plug
housing and the sensor tube.
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
1
2
3
AK
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 54
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 Programmer 0 V
Functional description see page 51