Graco 25A693 Instructions Manual page 34

Installation and Wiring
Label Label Label the the Fiber the Fiber Optic Fiber Optic Converters Optic
For Intelligent Paint Kitchen maintenance and
troubleshooting purposes, it is important to know
which station is connected to each fiber optic
converter.
If your Intelligent Paint Kitchen system controls
multiple stations, it is recommended to mark each
fiber optic converter with a label (for example, 3),
clearly indicating the station connected to that fiber
optic converter.
Modbus (RS (RS - - - 485) 485) Wiring Wiring
Modbus Modbus (RS 485) Wiring
If a Supervisor Box (A) contains more than one
fiber optic converter, the converters must be wired
in series and the first converter connected to the
Supervisor Module (36).
Use solid blue and white/blue RS-485 data
communication rated cables.
On the final fiber optic converter in the series, install
a 120 ohm resistor to terminate the series.
Figure 32 Four Fiber Optic Converters Wired in
Series to the Supervisor Module
34
Converters Converters
Figure 31 Fiber Optic Converter with Identifying
Label
NOTE: Remember to set the DIP switches located on NOTE: NOTE:
the bottom of each fiber optic converter. See
Switches on the Fiber Optic Converters, page
When installing wires, torque terminals to 4.4 – 5.3
in-lb (0.5 – 0.6 N•m).
Set DIP
32.
3A4030C