Detecting A Battery Error And Replacing The Battery - Mitsubishi Electric MELSEC Q Series User Manual

5
PRE-OPERATION PROCEDURES
5.4.3

Detecting a battery error and replacing the battery

This section describes detection of a battery error and how to replace the battery of the
EtherNet/IP module.
When the battery voltage has dropped, the battery must be replaced.
(1) Battery error detection of the EtherNet/IP module
The battery of the EtherNet/IP module is used for error logging of the system.
The EtherNet/IP module does not detect a battery error by default.
To detect battery errors, store "1" in the Battery error detection setting (Un\G16633).
(2) Checking for battery voltage drop of the EtherNet/IP module
The contents of the error will not be cleared for a while after a battery error. However,
the data may be cleared if the battery error is not noticed.
The following is a program example in which Y100 is set to on if a battery error
occurs.
In this example, the EtherNet/IP module is mounted in slot 0 of the main base unit,
with the start I/O No. set to "0000".
1) Check for a battery error by either of the following.
• The ERR. LED and the Own station error (X0E) turns on.
A battery error (error code C306
• "1" is stored in the Battery status (Un\G25783).
2) If a battery error has occurred, replace the battery within the guarantee time
after the error occurrence. (
Figure 5.10 Battery voltage drop checking
5.4.3 Detecting a battery error and replacing the battery
) occurs.
H
(3) in this section)
Turns on Y100 when a battery error occurs.
5.4 Battery
1
2
3
4
5
6
7
8
5
- 12