SBC PCD2.M5 Series - Page 169

Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Analogue input modules
Input/output (I/O) modules
6-58
6
Connection concept for temperature sensors
The input signals for the temperature sensors are connected directly to the 10-pole
terminalblock(I0…I7).
The following connection diagram shows a typical layout for temperature
sensors with the PCD2.W340, … .W350 and … .W360 modules
8
9
E6
6
7
E4
4
5
E1
2
3
E0
0
1
E3 E2E5E7
Earthing bar
max. 20 cm
COM
Distributor *)
*) potential free
● Thereferencepotentialfortemperaturemeasurementsisthe“COM”terminal,
which should not have any external earth or GND connection.
● If screened cables are used, screening should be continued to an external earth-
ing bar.
● Unused temperature inputs are to be connected to the logical ground.
Mixed operation
89
E6
67
E4
4 5
E1
2 3
E0
0 1
E3 E2E5E7
COM
Distributor
‘V’ and ‘C’
Distributor
Temp.