MOL81 485 1312/MOL81 485 1337
MOL81 485 1312-MOL81 485 1337-UM-1.4-EN
16/20
8 CONNECTORS
The connectors used belong to the SOURIAU UTO series, size 12, with 8 pins, IP67 watertight, with EMI-
compatible shielding. These are metallic circular connectors with bayonet coupling.
8.1 Connector on case
The case connector is a panel-mount 8-pin plug with jam-nut receptacle.
References:
-
Plug: UTO71208PH
-
Pins: RM20M12E8K
The pins have a diameter of 1.6mm.
The table shows the pin assignments:
External view of connector
(rear-view of cable assembly connector)
The two-wire serial link uses pins C and F.
*
For a 120ohm line termination, pins B and E can be connected together if necessary for RS485 long cable
Figure 8-1: Connection diagram for normal RS485 operation with line termination
D
A
C
(A)
(B)
(COM)
Controller or PC
(A)
(B)
MOL81
F
B
* E
(V
AL
)
(Output "
PRESENCE
")
H
G
(0V)
RS485
Pin
Signal/Name
A
Power (+ 24V DC)
B
Line termination 120ohms (can be connected to E)
C
RS485 +
D
0 V
E
Line termination 120ohms (can be connected to B)
F
RS485 -
G
Output : PRESENCE
H
Output : 125 kHz OK
(Output "125 kHz OK")