X8 Instruction Set Reference Manual
SFR (Special Function Register)
3
-
9
The following tables show the details of each General Communication Status
block allocated from 0 to 5.
General Communication Status Block
43~69
Modbus Slave Diagnostic Counters Block
70
End of List Category Identifier Code (Always 0)
Word
Bit
Description
0
-
Communications Channel Status Information
Category Identifier Code
1
-
Length
2
-
Format Code
3
-
Communications Configuration Error Code
4
0
ICP - Incoming Command Pending Bit
This bit is set when the
X8 Series PLC
determines that
another device has requested information from this PLC.
Once the request has been satisfied, the bit is cleared.
1
MRP - Incoming Message Reply Pending Bit
This bit is set when the
X8
Series PLC
determines that
another device has supplied the information requested by
a MSG instruction executed by this controller. When the
appropriate MSG instruction is serviced, this bit is
cleared.
2
MCP - Outgoing Message Command Pending Bit
This bit is set when the
X8
Series PLC
has one or more
MSG instructions enabled and in the communication
queue. This bit is cleared when the queue is empty.
3
SSB - Selection Status Bit
This bit indicates that the
X8
Series PLC
is in the
System Mode. It is always set.
4~14
System Reserved
15
Communications Toggle Push Button Communications
Defaults Active.
This bit is set whenever Channel 0~2 are in the default
communications mode.
The bit is cleared when Channels are in user configured
communications mode.
Word
Descriptions
Содержание X8 Series
Страница 1: ...Catalog Number s X8 M14DDT X8 M16DDR X8 M32DDT X8 Instruction Manual Reference Manual ...
Страница 16: ......
Страница 64: ...X8 Instruction Set Reference Manual 2 12 X8 Series PLC Memory and Data Table ...
Страница 134: ...X8 Instruction Set Reference Manual 5 38 Using the High Speed Counter and Programmable Limit Switch ...
Страница 166: ...X8 Instruction Set Reference Manual 7 8 Relay Type Bit Instructions ...
Страница 180: ...X8 Instruction Set Reference Manual 8 14 Timer and Counter Instructions ...
Страница 205: ...X8 Instruction Set Reference Manual Math Instructions 10 17 ...
Страница 206: ...X8 Instruction Set Reference Manual 10 18 Math Instructions ...
Страница 212: ...X8 Instruction Set Reference Manual 11 6 Converion Instructions ...
Страница 218: ...X8 Instruction Set Reference Manual 12 6 Logical Instructions ...
Страница 236: ...X8 Instruction Set Reference Manual 15 8 Shift and FIFO LIFO Instructions ...
Страница 242: ...X8 Instruction Set Reference Manual 16 6 Sequencing Instructions ...
Страница 252: ...X8 Instruction Set Reference Manual 18 4 Input and Output Instructions ...
Страница 280: ...X8 Instruction Set Reference Manual 20 12 PID Control ...
Страница 296: ...X8 Instruction Set Reference Manual 21 16 ASCII Instructions ...
Страница 308: ...X8 Instruction Set Reference Manual 22 12 Communications Instructions ...
Страница 312: ...Appendix A 4 System Error Code ...
Страница 313: ...Appendix B MSG Instruction Error Code MSG Instruction Error Code ...
Страница 322: ...Appendix B 10 MSG Instruction Error Code ...
Страница 325: ...ASCII Character Set Appendix C 3 ...
Страница 326: ...Publication number X8 RM001A EN September 2012 ...
Страница 327: ...Copyright 2012 RS Automation Co Ltd All rights reserved ...