EN
8.4 CONNECTIONS BOARD – CONTROL BOARD
•
RS-485 → Communication port;
•
INI
→ INIBIT input: NC external
contact;
•
S.P.
→ External Set Point (EST):
NA contact;
•
→ NTC sensor input to control
NTC
temperature;
•
TRASD. Input 0÷Volts for pressure
transducer.
→ Positive
+
-
→ Negative
→ Signal
D
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