Mitsubishi Electric NZ2GFSS2 16DTE S1 User Manual

9 MAINTENANCE AND INSPECTION
9.1 Daily Inspection
119
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9 MAINTENANCE AND INSPECTION
This chapter describes the maintenance and inspection of the safety remote I/O module.
Read [Startup and Maintenance Precautions] in the safety precautions carefully before performing the
inspection, and observe the precautions.
9.1 Daily Inspection
The following table lists the items that must be inspected on a daily basis.
Item Inspection item Inspection method Judgment criterion Corrective action
1 Mounting status
on a DIN rail
Rattling Check for a rattling noise of the
safety remote I/O module.
The safety remote I/O
module does not rattle.
Remount the safety remote I/O
module on the DIN rail securely.
Terminal block
mounting screw
Looseness and
rattling
Check for the looseness of terminal
block mounting screws.
The terminal block
mounting screws must not
be loose.
Retighten terminal block mounting
screws securely.
Terminal block
condition
Attachment of dirt
and foreign
matters
Check for attachment of dirt and
foreign matters.
Dirt and foreign matters
must not be attached to
terminal blocks.
Remove the terminal block and clean
it.
2 Connection
status
Clearance
between
solderless
terminals
Check the clearance between
solderless terminals.
The proper clearance must
be provided between
solderless terminals.
Provide the proper clearance.
3 LED status at
power-on or
reset
PW LED Check that the LED is on. On Refer to the following and take
corrective actions.
Page 123 Checking the LEDs
RUN LED Check that the LED is on for a
moment.
On Replace the module with a new one.
(When an LED fails)
MODE LED Check that the LED is on for a
moment.
On
D LINK LED Check that the LED is on for a
moment.
On
SAFETY LED Check that the LED is on for a
moment.
On
ERR. LED Check that the LED is on for a
moment.
On
I/O PW LED
*1
Check that the LED is on for a
moment.
The LED must be on when
the external power supply is
applied
*3
.
Input status
indicator LED
*2
Check that the LED is on for a
moment.
On
Output status
indicator LED
*2
Check that the LED is on for a
moment.
On

Mitsubishi Electric NZ2GFSS2 16DTE S1 Specifications

General

Brand	Mitsubishi Electric
Model	NZ2GFSS2 16DTE S1
Category	I/O Systems
Language	English