Emerson ROC827 - Page 109

ROC800-Series Instruction Manual
Revised July-2017 Input/Output Modules 4-23
terminals on the devices are electrically connected to the ROC800’s “A”
terminal and so on. Wire each remote MVS transmitter in parallel
(“daisy-chaining”), as shown in Figure 4-27.
A
B
1000+ meters
(4000+ feet)
120 Ohm
resistor at
end of line
MVS I/O
Module
MVS
transmitter
(up to 6 per
module)
Figure 4-27. MVS Wiring (with Terminators)
Figure 4-29 shows the field wiring diagram for the MVSI/O module.
Figure 4-28. MVS Field Wiring