Spirax Sarco ILVA20 - Page 29

IM-P337- 6 9 EMM Issue 2
29
+
-
Fig. 23 4 wire dc wiring terminals
DO NOT USEDO NOT USE
TEMPERATURE
PRESSURE
B = Tx+ A' = Rx- B' = Rx-
-Ve -Ve -Ve -Ve -Ve -Ve
-Ve -Ve
+Ve +Ve +Ve +Ve +Ve +Ve
+Ve +Ve
A = Tx- COMMON
COMMON
EARTH*
EARTH*
EARTH*
Tx
Tx
Tx
Tx
Rx
Rx
Rx
Rx
MASTER SLAVESLAVESLAVE
R*
R*
R*
R*
T1A
+24Vdc +/-10%
250mA (min)
SLAVE