JUMO hydroTRANS S20 Manual Breve página 46

6 Electrical connection
6 Electrical connection
6.1 Preparing the electrical connection
1. De-energize the system and secure it against being switched on again.
2. Correctly prepare the connections for the voltage supply and signal processing.
6.2 Connection elements
6.2.1 Terminal assignment
Spring-cage terminals
Designation Description
Analog output Relative humidity
Temperature
CO
2
Analog output GND
DC 24 V
GND
a
Standard
b
Optional extra
18
Housing rear (front view)
Assign-
ment
a
1
a
2
a
3
4
5
6
Spring-cage terminals
Designation Description
RS485 RS485 A (D+)
RS485 GND
RS485 B (D-)
-
DC 24 V
GND
Assign-
ment
1
b
2
3
4
5
6