SBC PCD2 Series - Page 79

Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
5-70
I/O modules PCD1|PCD2
PCD2.W3x0
5
Connection concept for temperature sensors
The input signals for the temperature sensors are connected directly to the 10-pole
terminalblock(E0 … E7).
The following connection diagram shows a typical layout for tempera-
ture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
earthing 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.