Robotics in Manufacturing
MOTN-154

MOTN-154: PM: I/O data output error

The process monitor function couldn't output its I/O data.

What it means

The process monitor function couldn't output its I/O data. This points to a mismatch between the I/O data defined in ibgn.txt and the data in SENSPS.txt.

Common causes

Ranked by what technicians most often find, most likely first.

  1. The I/O data in SENSPS.txt doesn't match the I/O data in ibgn.txt.

How to fix it

  1. Open SENSPS.txt and compare its I/O data against ibgn.txt.
  2. Correct SENSPS.txt so its I/O data matches ibgn.txt.

Quick facts

Category
Motion
Affected series
R-30iB; R-30iB Mate; R-30iB Plus; R-30iB Mate Plus
Alarm family
MOTN

Verified against FANUC documentation (B-83284EN-1).Last reviewed: 2026-07-12.Editorial process