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Figure 13. 4-wire cable to Model 3700 – standard core processor
Figure 14. 4-wire cable to Model 3700 – enhanced core processor
Core processor
terminals
4-wire cable Model 3700 terminals
blue terminal block
(see Figure 11)
VDC+
(Red)
VDC–
(Black)
RS-485B
(Green)
RS-485A
(White)
Maximum cable length:
see Table 1
User-supplied or
factory-supplied cable
16 RS-485B (Green)
15 RS-485A (White)
14 VDC– (Black)
13 VDC+ (Red)
Core processor
terminals
4-wire cable Model 3700 terminals
blue terminal block
(see Figure 11)
VDC+ (Red)
RS-485B (Green)
RS-485A (White)
Maximum cable length:
see Table 1
User-supplied or
factory-supplied cable
16 RS-485B (Green)
15 RS-485A (White)
14 VDC– (Black)
13 VDC+ (Red)
VDC– (Black)