Precautions For Startup; Precautions For Safety Functions Maintenance - Mitsubishi Electric Melsec-QS Series Safety Application Manual

4
PRECAUTIONS FOR USE OF SAFETY PLC

4.3 Precautions for Startup

When new safety-related system will be started up or existing safety-related system will be
changed, confirm the below points.
(1) Confirmation of network connection configuration
Confirm that the safety remote I/O module used is set as designed.
The confirmation items are shown below.
For the switch settings of the safety remote station, refer to the following manual.
(2) Confirmation before writing parameters and program
Confirm the parameters and program to be written are as designed before writing
them to a PLC.
For the parameter settings by using GX Developer, refer to the following manual.
For parameter definition and setting range for parameter settings of GX Developer,
refer to the following manual.
(3) Usage of a checklist
Before operation, check if the safety-related system is correctly configured with the
checklist in Appendix.2.

4.4 Precautions for Safety Functions Maintenance

(1) Periodic inspection
To confirm whether the emergency stop switch, safety sensor, etc. are not faulty,
execute a periodic inspection every one year for meeting Category 3, every six month
for meeting Category 4.
As well as diagnostics of the safety PLC, perform a test from the emergency stop
request to machine stop as safety functions.
(2) Module/unit replacement
For the safety PLC, execute the module/unit replacement according to the
replacement cycle in Table4.5.
Safety power supply module
Safety CPU module
Safety master module
Safety remote I/O module
Safety main base unit
1) Link ID
2) Station No.
3) Transmission speed
CC-Link Safety System Remote I/O Module User's Manual
GX Developer Version 8 Operating Manual (Safety PLC)
CC-Link Safety System Master Module User's Manual
Table4.5 Module/unit replacement period
Module/unit Module/unit replacement cycle
5 years
10 years
10 years
5 years
10 years
4.3 Precautions for Startup
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