Part Names - Mitsubishi Electric MELSEC-Q series User Manual

7.3

Part Names

This section describes the part names of a CT input module.
(1) Part names
The following table lists the part names of a CT input module.
Number
1) RUN LED (green)
2) ERR. LED (red)
3) ALM LED (red)
4) Serial number display
*1 Error Code List (
*2 Alarm Code List (
138
1)
2)
4)
Name
Indicates the operating status of the CT input module.
On:
Flashing:
Off:
Indicates the errors and status of the CT input module.
On:
Flashing:
Off:
Indicates the alarm status of the CT input module.
On:
Flashing:
Off:
Displays the serial number printed on the rating plate.
Page 221, Section 11.1)
Page 228, Section 11.2)
3)
Description
The module is operating normally.
In the offset/gain setting mode
The 5V power off or watchdog timer error has occurred, or online
module change enabled.
An error has occurred except for error code: 112
*1
Error code: 112 is occurring.
The module is operating normally.
Alarm (process alarm/rate alarm) is occurring.
Input signal error detection/ peak current detection is occurring.
The module is operating normally.
*1
*2
*2