Breakdown of code key of main unit (rear of unit)
WM20
AVx
Model
AV4: From 380 to 690 V
L-L ac, 1(2) A, connection
via CT
AV5: From 380 to 690 V
L-L ac, 5(6) A, connection
via CT
AV6: From 100 to 230 V
L-L ac, 5(6) A, connection
via CT
AV7: From 100 to 230 V
L-L ac, 1(2) A, connection
via CT
Breakdown of code key of compatible accessory modules
(rear of module)
Code key
Type
M O O2
Digital outputs
M O R2
M C 485232
M C ETH
M C BAC IP
Communication
M C BAC MS
M C PB
3
System:
• balanced and
non-balanced
three-phase
with 3 or 4
wires
• Two-phase
(3-wire)
• Single-phase
(2-wire)
Module description
Double static output
Double relay output
Modbus RTU communication on RS485/RS232
Modbus TCP/IP communication on Ethernet
BACnet IP communication on Ethernet
BACnet MS/TP communication on RS485
Profibus DP V0 communication on RS485
8021572 | WM20 | © 2016 | CARLO GAVAZZI Controls SpA
a
H: auxiliary power
supply from 100 to
240 V ac/dcL: auxiliary
power supply from 24 to
48 V ac/dc
9