Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual - Manual (Page 87)

Message Packet Formats
Chapter 5
5-8
Table 5.A
Message Formats
If You Want This
Command:
Use This
CMD Code:
Use This
FNC Code:
If You Want This
Command:
Use This
CMD Code:
Use This
FNC Code:
Basic Command Set PLC-4 Commands
Diagnostic Counters Reset
Diagnostic Loop
Diagnostic Read
Diagnostic Status
Protected Bit Write
Protected Write
Set ENQs
Set NAKs
Set Timeout
Set Variables
Unprotected Bit Write
Unprotected Read
Unprotected Write 06
06
06
06
02
00
06
06
06
06
05
01
08 07
00
01
03
N/A
N/A
06
05
04
02
N/A
N/A
N/A
Allocate
Deallocate
Initialize Processor
Physical Read
Physical Write
Physical Write with Mask
Set to Program Mode
Set to Run Mode
Set to Single-Step Test Mode
Set to Test Mode 0E
0E
0E
0E
0E
0E
0E
0E
0E
0E 05
06
0C
0D
0E
0F
01
02
04
03
PLC Commands
Disable Outputs
Enable Program
Enable Scan
Physical Read
Physical Write 07
07
07
04
03 00
01
03
N/A
N/A
PLC-2 Commands
Enter Download Mode
Enter Upload Mode
Exit Download/Upload Mode
Physical Read
Physical Write
Set Data Table Size 07
07
07
04
03
06 04
06
05
N/A
N/A
08
PLC-3 Commands PLC-5 Commands
Bit Writes
Download Request
File Read
File Write
Physical Read
Physical Write
Restart Request
Shutdown Request
Upload Request
Word Range Read
Word Range Write 0F
0F
0F
0F
0F
0F
0F
0F
0F
0F
0F 02
05
04
03
09
08
0A
07
06
01
00
Download All Request
Download Completed
Modify PLC-2 Compat. File
Read Bytes Physical
Read-Modify-Write
Set Processor Mode
Typed Read
Typed Write
Upload All Request
Upload Completed
Write Bytes Physical
Word Range Read
Word Range Write 0F
0F
0F
0F
0F
0F
0F
0F
0F
0F
0F
0F
0F 50
52
5E
17
26
3A
68
67
53
55
18
01
00
Important: In the example formats that follow, CMD and FNC values
are expressed in hexadecimal notation; all other values are in decimal
form.