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Honeywell 2MLL-PSRA User Manual Page 90

Pnet i/f module.
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7. Maintenance and Repair
7.2. Routine inspection
7.2
Routine inspection
The following items must be routinely inspected for Profibus-DP module.
Checklist
I/O module
connection status
Cable connection
status
RUN
LED
P-N LED
Display
STATUS
LED
LED
ERR
LED
90
Pnet I/F Module 2MLL-PSRA, 2MLL-PSEA User's Guide
Check Point
Check whether the
screws are firmly
tightened.
Check whether the
module cover is intact
or separated.
Check the cable
connection if it is
loosened.
Check whether the LED
is ON in RUN state.
Check whether the LED
is ON.
Check whether the LED
is ON.
Check whether the LED
is ON.
Honeywell
Judgment Basis
Must be firmly
tightened.
Cable must be
tightened.
LED On (off or
blinking is error).
Power and
communication
normal.
Expansion I/O module
information match.
Module detached,
invalid module
installed, Out of I/O
data range, I/O
parameter error.
Actions
Tighten the
module screw.
Tighten the
cable.
Refer to
section
System
Configuration
R210
November 2011

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