CV-mode Command/Response Format
6-3-1 List of CV-mode Commands for PCs
Command
code
01
01
MEMORY AREA READ
02
MEMORY AREA WRITE
04
MULTIPLE MEMORY AREA READ
02
02
PARAMETER AREA WRITE
03
06
PROGRAM AREA READ
07
PROGRAM AREA WRITE
04
01*
RUN
02*
STOP
05
01*
CONTROLLER DATA READ
06
01*
CONTROLLER STATUS READ
07
01
CLOCK READ
(C200H/C200Hj only)
02
CLOCK WRITE
(C200H/C200Hj only)
21
01
ERROR CLEAR
22
0F
FILE MEMORY INDEX READ
(C1000H/C2000H only)
10
FILE MEMORY BLOCK READ
(C1000H/C2000H only)
11
FILE MEMORY BLOCK WRITE
(C1000H/C2000H only)
23
01
FORCED SET/RESET
02
FORCED SET/RESET CANCEL
0A
FORCED STATUS READ
(C200H/C200j only)
6-3-2 List of CV-mode Commands for SYSMAC LINK Units
Command
code
04
01*
START DATA LINK
02*
HALT DATA LINK
03
RESET
05
01*
CONTROLLER DATA READ
06
01*
CONTROLLER STATUS READ
02
NETWORK STATUS READ
03
DATA LINK STATUS READ
08
01*
INTERNODE ECHO TEST
02
BROADCAST TEST RESULTS READ
03
BROADCAST TEST DATA SEND
Name
Note *These command codes are also used for CV-mode commands sent to SYS-
MAC LINK Units.
Name
Note *These command codes are also used for CV-mode commands addressed to
PCs.
PC mode
RUN
MONITOR
PROGRAM
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Not valid
Not valid
Valid
Valid
Valid
Valid
Not valid
Not valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Not valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Not valid
Valid
Valid
Not valid
Valid
Valid
Not valid
Valid
Valid
Valid
Valid
Valid
Data link mode
Operating
Halted
Not valid
Valid
Valid
Not valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Section 6-3
Page
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102
Page
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