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switch 1, 2 = ON : RS485
switch 1, 2 = OFF: RS232
-24V
+24V
shield
RS485-
RS485+
RS485 connection
between BMM485 module
in switchboard and
TTCS concentrator with
Li2YCYv (TP) 2x2x0.34 cable.
Please following the setting of the concentrator,
before the final closing of the lid, remove the
packet of silica gel pouch and Integrate your
free volume inside the concentrator.
Please post any opening replace the silica gel
with a new one.
RS485 device No in BCD code:
1
3
4
6
8
9
2
5
BMM485 module
-24V
+24V
shield
-RS485
+RS485
con.1
con.2
Con.1 and con.2
is equivalent.
pin1 -24V brown
pin2 +24V white
pin3 shield shield
pin4 shield n.c.
pin5 - in/outRS485 n.c.
pin6 +in/outRS485 n.c.
pin7 -in/outRS485 yellow
pin8 -in/outRS485 green