Micronics U1000MKII-FM, User Manual

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U1000MKII User Manual Micronics
Page 10 Issue 3.1 July 19
Figure 9 Modbus wiring diagram
2.2.5 M-Bus Connections (if fitted)
A separate 4 core plug-in cable is provided for the M-bus connections.
This plugs into the Electronics Module near the power cable entry.
PIN FUNCTION COLOUR
1 M-BUS BLACK & BROWN
2 OPTIONAL GND SCREEN
3 M-BUS BOTH WHITES
4 - -
Figure 10 M-Bus Connector Cable Part - Binder 99-9210-00-04 (Front View)
+V (+5V or +12V)
RS485+
RS485-
GND (0V)
120Ω
270Ω
270Ω for +5V, 1KΩ
for +12V
S
c
re
e
n
U1000-Mk2
B
ro
w
n
W
h
ite
B
la
ck
U1000-Mk2
Spur Length
Cables of any specified length can be supplied to order.
Isolated
RS-485
+
-
S
c
re
e
n
Isolated
RS-485
0V
+
-
S
c
re
e
n
0V
W
h
ite
S
c
re
e
n
Isolated
RS-485
0V
+
-
U1000-Mk2
Optional Ground
W
h
ite
B
la
ck
W
h
ite
W
h
ite
B
la
ck
W
h
ite
B
ro
w
n
B
ro
w
n
S
pu
r
Le
n
gth
120Ω
Modbus Master
3
1
2
Whites
Screen