Communication Wiring C.3 Communication Wiring; Alarm Output Wiring - Pentair 920 Series Installation, Operating And Maintenance Instructions

C.3 CommunICatIon WIrInG C.3 CommunICatIon WIrInG
C.4 aLarm output WIrInG
INDUSTRIAL HEAT TRACING SOLUTIONS
C.3.1 2-WIre modem optIon
Terminal board
Comm 1 6
Comm 2 7
Comm 3 8
Comm 4 22
Comm 5 23
Ground 24
C.3.2 2-WIre rs-485 optIon
Terminal board
Comm 1 6
Comm 2 7
Comm 3 8
Comm 4 22
Comm 5 23
Ground 24
C.3.3 rs-232 optIon
Terminal board
6
Comm 1
7
Comm 2
8
Comm 3
22
Comm 4
23
Comm 5
24
Ground
C.4.1 used as a dry ContaCt
Terminal board
1
+9Vdc Nom
17
Alarm
Relay
18
2
Common
EN- Raychem920series-IM-H56874 05/15
Modem
Modem
Drain
RXD/TXD +
RXD/TXD –
Drain
RXD
DCD
CTS
TXD
RTS
Common
Dry contact
Output
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