Omron SYSMAC CJ1W-SCU21-V1, Operation Manual

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C-mode (Host Link) Command Master Appendix C
STATUS READ (MS Command)
(Sequence No. 717 (Hex 02CD))
Reads the CPU Unit's operating conditions (status) from the specified Host Link Unit and stores in the words
starting from the designated word.
Send Data Word Allocation (3rd Operand of PMCR(260))
Receive Data Word Allocation (4th Operand of PMCR(260))
STATUS CHANGE (SC Command)
(Sequence No. 718 (Hex 02CE))
Changes the CPU Unit's operating mode for the specified Host Link Unit.
Send Data Word Allocation (3rd Operand of PMCR(260))
Offset Contents (data format) Data
+0 Number of send data words Always 0002 hex (2 decimal)
+1 (Undefined) Host Link unit
No.
(2 digits BCD) 00 to 31
+0
+1
Number of send data words
(Undefined) Host Link unit No.
First word of
send data
Offset Contents (data format) Data
+0 Number of receive data words 0003 hex or 0007 hex (3 or 7 decimal)
+1 (Undefined) End code
(2 digits hex) The end code is stored in hexadecimal.
+2
Status data (4 digits hex) The CPU Unit status is stored.
+3 Message The message is stored only when FAL/
FALS messages are used.
+4
+5
+6
+0
+1
+2
Message
+3
+4
+5
+6
Receive data
storage words Number of receive data words
(Undefined) End code
Status data
Offset Contents (data format) Data
+0 Number of send data words Always 0003 hex (3 decimal)
+1 (Undefined) Host Link unit
No.
(2 digits BCD) 00 to 31
+2 (Undefined) Mode
(2 digits hex) 00 hex: PROGRAM mode
02 hex: MONITOR mode
03 hex: RUN mode
First word of
send data
Number of send data words
+0
+1 (Undefined)
Host Link unit No.
+2 (Undefined) Mode