Installation guide

Installation Manual 17
Wiring
Figure 3-6: 4-wire cable to Model 3500 screw-type connectors for standard and
remote core processors
Table 3-3: Transmitter terminals for 4-wire cable
Connector type
Wire color
(1)
(1) Wire colors apply to only 4-wire cable supplied by Micro Motion.
FunctionTerminal I/O cable
c 4 4 Red VDC+
a 4 10 Black VDC–
c 6 7 White RS-485A
a 6 3 Green RS-485B
Core processor terminals
4-wire cable
Maximum cable length:
See Table 1-1
VDC+
(Red)
VDC–
(Black)
RS-485B
(Green)
RS-485A
(White)
User-supplied or
factory-supplied cable
Model 3500
Sensor wiring terminals
See Figure 3-1
VDC+
(Red)
RS-485A
(White)
VDC–
(Black)
RS-485B
(Green)
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
a
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
c
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32