Omron CS1G/H-CPUxxH Instructions Manual page 907

Network Instructions
Operands
Note
886
C: First control word
The five control words C to C+4 specify the number of words to be received,
the source of the transmission, and other settings shown in the following table.
Word Bits 00 to 07
C
Number of words: 0001 to maximum allowed
C+1 Source network address:
00 to 7F (0 to 127)
C+2
Source unit address
C+3 No. of retries: 00 to 0F (0 to 15)
C+4 Response monitoring time: 0001 to FFFF (0.1 to 6553.5 seconds)
(The default setting of 0000 sets a monitoring time of 2 seconds.)
1. The maximum number of words allowed depends on the network being
used. For a Controller Link, the allowed range is 0001 to 03DE (1 to 990
words).
2. Set the source network address to 00 to specify a source within the local
network. When two or more CPU Bus Units are mounted, the network ad-
dress will be the unit number of the Unit with the lowest unit number.
3. Port numbers 1 and 2 indicate serial ports 1 and 2 (physical ports) of the
destination device.
Unit Unit
address
00 Hex CPU Unit
10 Hex + Serial Communications
unit number Unit (CPU Bus Unit)
E1 Hex Serial Communications
Board (Inner Board) (CS
Series only)
4. The unit address indicates the Unit, as shown in the following table.
Unit
CPU Unit
CPU Bus Unit
Special I/O Unit (except
C200H-series Special I/O
Units)
Inner Board (CS Series
only)
Computer
Unit connected to net-
work (not necessary to
specify Unit)
5. The maximum node number depends on the network being used. For a
Controller Link, the allowed range is 00 to 20 hexadecimal (0 to 32). Set
the source node number to 00 to transmit within the local node.
1
Bits 08 to 11:Serial port number
2 (physical port)
1 hex:
2 hex:
(Do not set 0, 3, or 4.)
Bits 12 to 15: Always 0.
4 Source node address:
00 to maximum allowed
Port number: 00 to 07
Response is fixed to "required."
Serial port
number
1 Hex
2 Hex
1 Hex
2 Hex
1 Hex
2 Hex
Unit address setting
00 hex
10 hex + unit number
20 hex + unit number
E1 hex
01 hex
FE hex
Section 3-25
Bits 08 to 15
(4-digit hexadecimal)
Port 1
Port 2
5
6
(F: Automatic allocation)
Serial port
Built-in RS-232C port
Peripheral port
Port 1
Port 2
Port 1
Port 2