Omron M1 Series User Manual page 827

Event name Analog Input Reference Command Loss Detected
Meaning The frequency reference by analog input was rapidly reduced to 10% or less.
Source EtherCAT Master Function Mod-
ule
Error attrib- Level
utes
Effects User program
Indicators EtherCAT NET RUN
---
System-de- Variable
fined varia-
None
bles
Cause and Assumed cause
correction
(1) Reference command loss de-
tected
Attached in- None
formation
Precautions/ None
Remarks
Event name PID Warning Output
Meaning A warning (absolute value warning, deviation warning) occurred in PID control.
Source EtherCAT Master Function Mod-
ule
Error attrib- Level
utes
Effects User program
Indicators EtherCAT NET RUN
---
System-de- Variable
fined varia-
None
bles
Cause and Assumed cause
correction
(1) PID warning output
Attached in- None
formation
Precautions/ None
Remarks
M1 Series EtherCAT Type User's Manual (I670)
Source details Slave
Observation Recovery
Continues. Operation
EtherCAT NET ERR
---
Data type
None
Correction
Check the wiring of analog input
terminals.
→ Perform the wiring correctly.
Source details Slave
Observation Recovery
Continues. Operation
EtherCAT NET ERR
---
Data type
None
Correction
Check if the values of PID
control Upper limit of warning
(AH) (300E-0D hex) and PID
control Lower limit of warning
(AL) (300E-0E hex) are within
the acceptable range for the
feedback amount.
→ Change the settings of PID
control Upper limit of warning
(AH) (300E-0D hex) and PID
control Lower limit of warning
(AL) (300E-0E hex) to the cor-
rect values.
Event code 28140000 hex
Detection tim-
ing
Automatic re- Log category
covery
Not affected.
EtherCAT LINK/ACT
---
Name
None
Prevention
Wire the analog input terminals
appropriately.
Event code 68490000 hex
Detection tim-
ing
Automatic re- Log category
covery
Not affected.
EtherCAT LINK/ACT
---
Name
None
Prevention
Set PID control Upper limit of
warning (AH) (300E-0D hex)
and PID control Lower limit of
warning (AL) (300E-0E hex) ap-
propriately.
Appendices
Continuously
System log
A
Continuously
System log
A-281