End of Line (EOL) Resistors
The 330 ohm EOL (End of Line) resistor provided in the accessory bag must be inserted between the NA and NB
terminals of the first and last modules on the RS-485 network. These are the modules physically located at the
ends of the RS-485 network cabling.
330R 330R
First Module on RS-485 Network
Last Module on RS-485 Network
To
Next
Module
From
Previous
Module
NAN+ N- NB
NAN+ N- NB
PRT-CTRL-DIN | Protege GX DIN Rail Integrated System Controller | Installation Manual 16
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