Error History Function - Mitsubishi Electric MELSEC QS SERIES User Manual
Programmable controller
cc-link safety system remote i/o module
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Also See for MELSEC QS SERIES:
- Safety application manual (184 pages) ,
- Safety application manual (86 pages) ,
- User manual (172 pages)
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4
FUNCTIONS
4.5 Error History Function
The safety remote I/O module has two error history functions; saving and reading error
history data.
(1) Saving error history data
(2) Reading error history data
I/O terminal block removal
Turn OFF the power supply of the safety remote I/O module and remove all the I/O
terminal blocks.
Switch setting
Set the link ID setting switch of the safety remote I/O module to "EL".
Safety confirmation
Confirm that the power supply of connected device is OFF.
Start of reading the error history
Turn ON the power supply of the safety remote I/O module.
The safety CPU module automatically reads the error history from the safety remote I/
O module.
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4.5 Error History Function
When an error occurs in the remote I/O module, the error description is saved to the
nonvolatile memory inside the module as an error history.
The description of error saved in the nonvolatile memory inside the safety remote I/O
module can be read from the safety CPU module by the previous link ID setting switch
setting and confirmed by GX Developer.
The safety CPU module reads all the error histories inside the safety remote I/O
module.
Figure 4.7 shows the procedure of reading the error history data.
Start
(To next page)
Remove an I/O terminal block.
RESET
SET
LINK ID
STATION NO. B RATE
LBT
0 1
0 1
0 1
0 1
9
EL
2
2
8
2
2
7
3
3
7
3
3
6
4
6
4
6
4
4
5
5
5
X10
X1
24V DC
Remove an I/O
terminal block.
RESET
SET
LINK ID STATION NO. B RATE
LBT
0 1
0 1
0 1
0 1
9
EL
2
2
8
2
7
3
3
7
3
6
4
6
4
6
4
4
5
5
5
X10
X1
Link ID setting switch
2
3
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Troubleshooting
