
232
5.2.3
Internal relay (M)
The internal relay (M) is a device for auxiliary relays used in the CPU module. All of the internal relay are set to off
when:
• the CPU module is powered off and then on,
• the CPU module is reset, or
• the latch clear is executed. (
The internal relay cannot be latched (data retention during power failure). Use the latch relay (L) when latch is required.
(
5.2.4
Latch relay (L)
The latch relay (L) is a device for auxiliary relays that can be latched inside the CPU module. During power failure, on/
off information are retained by the battery in the CPU module. The previous on/off information are retained even after
performing the following to the CPU module.
• Power OFF
→
ON
• Reset
The latch relay is turned off by the latch clear operation.
Scan time is prolonged when the latch relay is used. (
5.2.5
Link relay (B)
The link relay is an internal relay whose point is input in hexadecimal.
Содержание L02CPU
Страница 1: ......
Страница 2: ......
Страница 13: ...11 Memo ...
Страница 78: ...76 Memo ...
Страница 226: ...224 Memo ...
Страница 317: ...315 APPENDICES APPEN DIX Appendix 4 Character Codes Available in the Display Unit To the next page ...
Страница 318: ...316 To the next page ...
Страница 319: ...317 APPENDICES APPEN DIX Appendix 4 Character Codes Available in the Display Unit To the next page ...
Страница 320: ...318 To the next page ...
Страница 321: ...319 APPENDICES APPEN DIX Appendix 4 Character Codes Available in the Display Unit To the next page ...
Страница 322: ...320 To the next page ...
Страница 323: ...321 APPENDICES APPEN DIX Appendix 4 Character Codes Available in the Display Unit To the next page ...
Страница 324: ...322 To the next page ...
Страница 325: ...323 APPENDICES APPEN DIX Appendix 4 Character Codes Available in the Display Unit To the next page ...
Страница 326: ...324 To the next page ...
Страница 335: ...333 Memo ...
Страница 339: ......