3.2 Function Modules
3.2.10 Maintenance Monitoring
3-101
3
CPU Module Functionality
Error Codes
If reading the monitor data cannot be completed normally, one of the following error codes is
displayed in the system registers that normally contain the circuit number and axis number.
Monitoring Methods
You can use the following methods to monitor the data stored in the system registers.
• Ladder Programming
Refer to the following manual for operating details.
MPE720 Version 7 User’s Manual (Manual No.: SIEP C880761 03)
• Tracing
Refer to the following manual for operating details.
MPE720 Version 7 User’s Manual (Manual No.: SIEP C880761 03)
• Data Logging
Refer to the following section for operating details.
3.2.5
Data Logging
on page 3-66
SW + 48
Axis 12
Circuit number
Same as above.SW + 49 Axis number
SL + 50 Monitor value
SW + 52
Axis 13
Circuit number
Same as above.SW + 53 Axis number
SL + 54 Monitor value
SW + 56
Axis 14
Circuit number
Same as above.SW + 57 Axis number
SL + 58 Monitor value
SW + 60
Axis 15
Circuit number
Same as above.SW + 61 Axis number
SL + 62 Monitor value
SW + 64
Axis 16
Circuit number
Same as above.SW + 65 Axis number
SL + 66 Monitor value
System Registers
Error
Circuit Number Axis Number
80 hex 18 hex
Relay error: An error occurred in message communications with the
SERVOPACK.
80 hex 22 hex
Timeout error: A response was not received from the SERVOPACK
within 5 seconds.
You can also use a touch panel to monitor the stored data.
Continued from previous page.
System Register Item Remarks