Installation guide
18 Model 3500 Transmitters or Model 3300 Peripherals - Panel Mount
Wiring
Figure 3-7: 4-wire cable to Model 3500 screw-type connectors for enhanced and
remote enhanced core processors
Core processor terminals 4-wire cable
Maximum cable length:
See Table 1-1
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
VDC+ (Red)
RS-485B (Green)
RS-485A (White)
VDC– (Black)