Mitsubishi Electric C80 Series Instruction Manual page 392

C80 Series Instruction Manual
10 Troubleshooting
(*1) As for the NC unit, the contents are as follows depending on the condition:
NC
Item
Battery vol state
Battery used years
NC : Temp. 1 (°C)
NC :Fan rev
Communication between NC unit and display unit
Item
Servo comm err Num1
Servo comm err Acc1
Servo comm err Num2
Servo comm err Acc2
RIO channel/station1
RIO retry count max 1
RIO channel/station 2
RIO retry count max 2
Ether comm err Num
Ether comm err Acc
Overvoltage Acc
Power losses Num
Power losses Acc
(*) The remote I/O communication error of the safety signal unit is the target. When the error occurs, the channel No. is
fixed to "1".
CPU module does not use the battery. This item is not displayed.
The PLC CPU and the servo drive unit use batteries, but the states of these batter-
ies are not displayed in the screen.
This displays the current temperature of the control unit.
Condition
94.5°C < Control unit temp. <= 96.5°C
96.5°C < Control unit temp.
The fan is not mounted. This item is not displayed.
This displays the count of occurrence for "Y51 SV commu er: Recv frame No. xx04"
after the power ON.
This displays the cumulated count of occurrence for " Y51 SV commu er: Recv
frame xx04".
Press the menu [Servo clear] to clear the cumulated count to "0".
This displays the count of occurrence for "Y51 SV commu er: Data ID error xx03"
after the power ON.
This displays the cumulated count of occurrence for "Y51 SV commu er: Data ID er-
ror xx03".
Press the menu [Servo clear] to clear the cumulated count to "0".
This displays the Channel No./Station No. of occurrence for continuous error after
the power ON. (*)
This displays the maximum value of the continuous error after the power ON. (*)
This displays the Channel No./Station No. held even if the power OFF.
Press the menu [RIO clear] to clear the Channel No./Station No. to "0/0". (*)
This displays the count held even if the power OFF. (*)
Press the menu [RIO clear] to clear the count to "0".
This displays the number of Ethernet communication error after PLC program is ex-
ecuted once.
This displays the cumulated count of occurrence for Ethernet communication error.
Press the menu [Ether clear] to clear the cumulated count to "0".
This displays the cumulated count of detection frequency of overvoltage after the
power ON.
This displays the count of detection frequency of power losses after the power ON.
This displays the cumulated count of detection frequency of power losses after the
power ON.
Press the menu [Clear pw loss] to clear the cumulated count to "0".
367
Details
Caution (gray)
Warning (yellow)
Details
Class
IB-1501453-C