1 FUNCTIONS
1.8 Safety Communication Function
121
1
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Procedures for operation check
1.
Various check
Check the status of the modules and the operation of the programs used in the system.
• Check that no errors have occurred in each module.
• Check that the status of the LED on each module is as follows.
*1 The MST LED on the standby system RJ71GF11-T2 flashes in a redundant master station system.
*2 In the redundant master station system, these LEDs are always off because the remote head module is not redundant.
CTRL LED
SBY LED
*3 The above illustrations show an example of the input module with diagnostic functions. For LEDs on other modules, refer to the manual
for the module used.
• Is an error detected in the CC-Link IE Field Network diagnostics? (
Page 223 Checking the Network Status)
• Check that the safety program and the standard program operate properly.
2.
Switching of the safety operation mode
Switch the safety operation mode to the SAFETY MODE to operate the system using the SIL2 Process CPU normally. (
MELSEC iQ-R CPU Module User's Manual (Application))
When the SIL2 Process CPU is set to the STOP state, the continuation error of the operating status mismatch
is detected in the standby system.
• Control system
• Standby system
• Remote head module
Содержание MELSEC iQ-R04ENCPU
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