Sending Commands From The Computer To The Cpu Unit - Omron CJ - REFERENCE MANUAL 07-2009 Reference Manual

FINS Commands with Host Link Protocol
Response Frame
Host Link header
3-5-3

Sending Commands from the Computer to the CPU Unit

Command Format from Host Computer
Sending Commands to a CPU Unit Directly Connected to the Host Computer
Sending Commands to a CPU Unit on a Network
x
Unit No.
x x
DA2
x
Host Link Settings
The CS/CJ/CP-series CPU Unit or NSJ Controller that receives the command
will return the following response frame to the host computer.
FINS response frame (See note.)
Note A FINS response frame also consists of the contents set at the time of trans-
mission and the FINS command response format data.
Use the following command format to send FINS commands from the host
computer to the CPU Unit.
Note The length of the command must be not more than 1,114 characters. FINS
commands cannot be partitioned into separate frames for sending.
Note The following format is also applicable for a host computer connected to a
Serial Communications Board or a Serial Communications Unit.
x x
Unit No.
x x x
FINS command code
Note The following format can also be used to send FINS commands to a CPU Unit
connected to the host computer.
x x
Header
ICF
Response
code
wait time
SNA SA1 SA2
*
x
FCS Terminator
@
The @ symbol must be attached to the beginning of the command.
Unit Number
The unit number set is that of the destination CPU Unit connected to the host
Host Link
FCS
x
ICF
Header
Response
code
wait time
x
Text
(1,080 characters = 540 bytes max.)
x
7
RSV GCT
x x x x x
SID FINS command code
Section 3-5
Host Link terminator
x x
DA2 SA2 SID
*
x x
FCS Terminator
x x x
DNA DA1
x
Text
(1,080 characters =
540 bytes max.)
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