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Appendix 7. Explanation of Alarms
Y20 Dual signal PC parameter illegal 0034 xxyy
Details
PC parameter settings which were written to in the PLC CPU is illegal.
Remedy
Refer to the following error indication "xxyy" to correct the setting.
- xx = 01
There is a contradiction between the setting of the dual signal module's head XY devices
in I/O assignment setting and NC parameters "#21143 SSU_Dev1" - "#21145 SSU_Dev3".
Check the dual signal module's position, then make the same setting for PC parameters
and NC parameters.
"yy" shows the module No. (yy=01 to 03)
- xx = 02
In I/O assignment's detail settings, output mode of the dual signal module at error is set to
"Hold".
Set the output mode to "Clear".
"yy" shows the module No. (yy=01 to 03)
- xx = 03
The number of device points in device settings is illegal.
Correct the number of device points.
"yy" shows the No. corresponding to the device.
The correspondence between Nos. and devices is as follows:
00: M
02: L
03: F
04: V
10: B
11: SB
18: D
24: W
25: SW
32: T
35: C
38: ST
- xx = 04
High-speed timer limit is set to other than "10.00".
Set the high-speed timer limit to "10.00".
Y20 Safety observation PC parameter get error 0035
Details
PLC CPU's PC parameters couldn't be got.
Remedy
Check if the PC parameters are correctly written in the PLC CPU.
Contact service center.
Y20 Safety observation parameter setting lock password data error 0036
Details
The password that is used to lock the safety observation parameter setting is incorrect.
Remedy
Read the password data in text format, then set the
data in "#21150 Safety_key (Safety observation parameter password-lock
cancel key)".
IV - 93
Appendix 7.4 MCP Alarms (Y)
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