Omron SYSMAC CS1W-CLK13 Operation Manual page 169

Introduction
RECV
(↑)RECV(193)
S
S: Remote node beginning send word
D: Local node beginning receive word
D
C: Local node beginning control data word
C
15
C
15
C+1 0
15
C+2
Remote (source) node M
01 to 3E (Hex): 1 to 62 (*1)
The range of node addresses will vary for networks
other than Controller Link Networks.
*1 Only node addresses 1 to 32 can be specified when Optical Bus Controller Link Units/Boards (CLK11)
Note
146
RECV receives "m" words beginning with S (the beginning word for data
transmission at the remote node, M) to the words beginning with D (the begin-
ning word for data reception at the local node).
0
"m" number of send words
0000 to 03DE (Hex): 1 to 990 words
11 8 7 0
0
Remote (source) network address
00 (Hex): Local network
01 to 7F (Hex): 1 to 127
11 8 7 0
Remote unit address
00 (Hex): PLC's CPU Unit
01 (Hex): Computer (user program)
10 to 1F (Hex): Unit nos. 0 to 15
FE (Hex): Unit connected to network
are combined in a network with Optical Ring Controller Link Units/Boards operating in token-bus mode.
1. When using CVM1 and CV-series PLCs manufactured prior to April 1996,
the local network address cannot be set to "00." Set a number other than
"00" as the local network address in the routing tables, and then specify
that number.
2. With the message service, there is no guarantee that a message to a re-
mote node will reach its destination. It is always possible that the message
may be lost in transit due to noise or some other condition. When using the
message service, it is advisable to prevent this situation from occurring by
performing resend processing at the node where instructions are issued.
With the SEND, RECV, and CMND instructions, resend processing is per-
formed automatically once the number of retries has been set, so be sure
to specify a number other than "0" for the number of retries.
Local node
15 0
D
m
15 11 8 7 3
C+3 0 0
Communication port No.
0 to 7 (Hex)
0: Response required
1: Response not required
C+4
Response monitor time
0000 (Hex): 2 s
0001 to FFFF (Hex): 0.1 to 6,553.5 s
(Unit: 0.1 s)
If the transmission speed is slow, then setting
a small value may generate an error. The
standard is approximately 4 seconds at 1
Mbps or 8 seconds at 500 Kbps.
Section 6-1
Remote (source) node M
15 0
S
"m" num-
ber of
send
words
0
Number of retries
0 to F (Hex): 0 to 15 retries