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SEND(192) Instruction The SEND(192) instruction enables the memory area data in the local PC to be
sent to the host computer.
When the SEND(192) instruction is executed, the CV-mode command
“MEMORY AREA WRITE” (command code 0102) is sent to the host computer in
the following command block format.
@xxOF08x0x0xxxxx
xxxxxxxxxx0102
xx
ICF RSV GCNT DNA DA1
SNA SA1 SA2 SID
FCS
DA2
Node
No.
Header code
Response delay
Command code
Terminator
Data
(1,080 characters max.)
*
r
Before executing the SEND(192) instruction, it is necessary to set the following
control data beginning with the first control data word.
(*1) Response designation (0: Response required; 1: Response not required)
15141312111098 3210Bit
C + 0
Word
C + 1
C + 2
C + 3
C + 4
*10000 0000
7654
Response monitor time (Unit: 0.1 s)
Destination node number Destination unit address
Destination network address
Communica-
tions port no.
No. of words to be transferred
Host Link Unit Communications port no.
No of retries
1, 2, 3... 1. No. of words to be transferred: Set the total number of words of data to be
transmitted to the host computer.
2. Host Link Unit communications port no.: Set the communications port num-
ber of the Host Link Unit that is connected to the host computer.
3. Destination network address: Set the network address of the destination
node. Set to 00 for communications within the local network.
4. Destination node number: Set the destination node number. Set to 00 for
transmissions within the local PC.
5. Destination unit address: Set the unit address of the Host Link Unit that is
connected to the host computer.
6. Response designation: Usually set this bit to 0 (OFF). If no response is re-
quired, set this bit to 1 (ON).
7. Communications port no.: Set the port number of the PC sending the
SEND(192) instruction.
8. No. of retries: Set the upper limit of the number of retries for obtaining a re-
sponse after the SEND(192) instruction is sent.
Sending Commands to Host Computers Section 4-4
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