Breakdown of code key of pre-assembled WM20 (rear of main unit)
WM20 AVx 3a
Same as code
key of main
unit,
see "Key to
code key of
the main unit
(rear of unit)"
on page 9
Possible configurations
WM20 only
WARNING: maximum 1 module per type. In the configuration with 2 modules, the
communication module is installed last.
10
8021572 | WM20 | © 2016 | CARLO GAVAZZI Controls SpA
aa
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Output type:
Communication type:
XX: none
XX: none
O2: double
S1: RTU Modbus communication on
static output
RS485/RS232
R2: double
E2: TCP/IP Modbus communication
relay output
on Ethernet
B1: BACnet IP communication on
Ethernet
B3: BACnet MS/TP communication
on RS485
P1: Profibus DP V0 on RS485
WM20 + 1 module
XX
No
option
included
WM20 + 2 modules