Appendix 5.5 Special Relays And Special Registers; Appendix 5.5.1 Special Relay List - Mitsubishi Q00JCPU User Manual

APPENDICES

Appendix 5.5 SPECIAL RELAYS AND SPECIAL REGISTERS

Appendix 5.5.1 Special Relay List

TableApp.84 Special relays not supported in the Universal model QCPU and measures to be taken
Number
SM80 CHK detection
SM91
SM92
SM93
SM94
SM95 Step transition monitoring timer start
SM96
SM97
SM98
SM99
SM250 Largest mounted I/O number read
SM255
MELSECNET/H
SM256
module 1
information
SM257
SM260
MELSECNET/H
SM261
module 2
information
SM262
SM265
MELSECNET/H
SM266
module 3
information
SM267
SM270
MELSECNET/H
SM271
module 4
information
SM272
App
- 165 Appendix 5 Method of replacing High Performance model QCPU with Universal model QCPU
The Universal model QCPU does not support the special relays and special registers
described in Appendix 5.5 and Appendix 5.5.
Replace them using the method described in the table or delete the corresponding parts.
TableApp.84 lists special relays not supported in the Universal model QCPU and
measures to be taken.
Name/Description
Indicates operative network or standby network
At refresh from link module to CPU, selects
whether to read data from the link module.
At refresh from CPU to link module, selects
whether to write data to the link module.
Indicates operative network or standby network
At refresh from link module to CPU, selects
whether to read data from the link module.
At refresh from CPU to link module, selects
whether to write data to the link module.
Indicates operative network or standby network
At refresh from link module to CPU, selects
whether to read data from the link module.
At refresh from CPU to link module, selects
whether to write data to the link module.
Indicates operative network or standby network
At refresh from link module to CPU, selects
whether to read data from the link module.
At refresh from CPU to link module, selects
whether to write data to the link module.
Measures to be taken
The Universal model QCPU does not support the CHK
instruction.For the alternative method of the CHK
instruction, refer to Appendix 5.3.
The Universal model QCPU does not support the step
transition monitoring timer function.For the alternative
method of this function, refer to "Appendix 3. Restrictions
and alternative method of the Basic model QCPU and
Universal model QCPU" in the "QCPU (Q Mode)/QnACPU
Programming Manual (SFC)".
The Universal model QCPU always stores the largest
mounted I/O number in SD250. The operation of this relay
is not necessary.Delete the corresponding parts.
These are special relays for the simple dual-structured
network function.Since the Universal model QCPU does
not support this function, there is no application for these
special relays. Delete the corresponding parts.
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