Omron SYSMAC CS1W-SCB41-V1 Operation Manual page 471

Mitsubishi Computer Link Master (A-compatible 1C Frame, Model 1)
Command Response Formats
Note In the following diagrams "hex" indicates hexadecimal values. Values in quotation marks, such as "00"
indicate ASCII characters.
Command Frame
Station
ENQ
No.
05 hex
@@ hex @@ hex @@ hex @@ hex
1 byte 2 bytes
Checksum
2 bytes
Response Frame
• Normal Response Type 1
Station
No.
STX
02 hex @@ hex @@ hex @@ hex @@ hex
1 byte 1 byte 1 byte 1 byte
• Normal Response Type 2
Station
No.
ACK
@@ hex @@ hex @@ hex @@ hex
06 hex
1 byte 1 byte 1 byte 1 byte
• Error Response
Station
No.
NAK
@@ hex @@ hex @@ hex @@ hex
02 hex
1 byte 1 byte 1 byte 1 byte
Command Frame Contents
Item
Control code ENQ (05 hex) for A-compatible 1C frames, model 1.
Station No. This number distinguishes the remote destination Computer Link Module.
Setting range: 00 to 1 F hex (0 to 31 decimal), or FF hex (255 decimal) using global function. Set in
2 digits hexadecimal.
PLC No. This number distinguishes the remote destination Sequencer CPU Module. Set in 2 digits hexadeci-
mal
Accessing Sequencer CPU Module (local station) that is directly connected to the host using serial
communications: All FF hex (255 decimal)
Accessing Sequencer CPU Module (local station) on the MELSECNET or Ethernet network that is
not directly connected to the host using serial communications:01 to 40 hex (1 to 64 decimal) or 00
hex (0 decimal).
Command code Specify the processing command to read/write device memory and execute remote RUN/STOP of
the Mitsubishi Sequencer CPU Module at the remote destination.
Send delay This is the delay until a response is returned from the remote destination Computer Link Module.
The send delay is not supported by this protocol, and 0 hex (0 ms) is set in the command frame
automatically.
Device type Set the following device type characters in ASCII.
All characters except T/C: X, Y, M, L, S, B, F, M, D, W, R, D
T/C characters: TS (contact), TC (coil), CS (contact), CC (coil), TN (PV), CN (PV)
442
PLC
Transmission
Command
No. code
2 bytes 2 bytes
PLC
No. Characters (text)
1 byte
PLC
No.
1 byte
PLC
No.
Error code
1 byte 2 bytes
Characters (text)
delay
30 hex
1 byte
ETX Checksum
03 hex
1 byte 1 byte 1 byte
Contents
Appendix E