Message Service Operations; Message Service Specifications - Omron SYSMAC CS1W-CLK13 Operation Manual

Selecting Communications Instructions
6-2-1

Message Service Operations

Instruction Local
node
CS,
CVM1, or
CV
SEND and Yes Yes
RECV
CMND Yes Yes
(See note.)
Note
6-2-2

Message Service Specifications

Remote node Communications
CS, Computer
CVM1, or
CV
Yes (See Read to and write
note.) from all I/O memory
areas.
Yes (See Data read/write:
note.)
Read to and write
from all I/O memory
areas.
Read PLC model.
Read status data.
Read time data.
Read and write File
Memory data.
Read PLC mode.
PLC Control:
Change PLC mode.
Forced set/reset
Clear PLC errors.
If a computer is receiving commands, a program is required at the computer
for sending back responses.
Item
Transmission format
Packet length
Data content
Number of simultaneous
commands
Response monitor time
Number of retries
Data
contents length
990 words
max.
(1,980
bytes)
2,012
bytes
max.
1:1 SEND, RECV, or CMND
1:N SEND or CMND (broadcast)
SEND: 990 words (1,980 bytes) max.
RECV: 990 words (1,980 bytes) max.
CMND: 1,990 bytes max.
SEND: Command and response for a request to
send data are transferred.
RECV: Command and response for a request to
receive data are transferred.
CMND: A wide range of command/response
data can be sent.
One for each of eight ports (ports 0 to 7).
0000:
0001 to FFFF: User settings (in increments of
0.1 s, 0.1 to 6553.5 s)
0 to F: 0 to 15
Section 6-2
Broadcasting Network
connections
SEND only (no Yes (up to three lev-
response) els including local
network), via CVM1
or CV-series.
Yes (no
response)
Specifications
Default setting (2 s)
153