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Network Instructions
Section 3-25
Applicable Program Areas
Operands
C: First control word
The five control words C to C+4 specify the number of words being transmit-
ted, the destination, and other settings shown in the following table.
Note
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 destination network address to 00 to transmit within the local net-
work. When two or more CPU Bus Units are mounted, the network address
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.
When transferring data to a computer connected via Host Link, specify the
serial port to which the computer is connected. This setting is used in com-
bination with the destination unit address set in bits 0 to 7 of C+2.
Block program areas
Step program areas
Subroutines
Interrupt tasks
OK
OK
OK
OK
Word
Bits 00 to 07
Bits 08 to 15
C
Number of words: 0001 to maximum allowed
1
(4-digit hexadecimal)
C+1
Destination network address:
00 to 7F (0 to 127)
2
Bits 08 to 11:Serial port number
3
(physical port)
1 hex:
Port 1
2 hex:
Port 2
(Do not set 0, 3, or 4.)
Bits 12 to 15: Always 0.
C+2
Destination unit address: 00 to FE
4
Destination node address:
00 to maximum allowed
5
C+3
No. of retries: 00 to 0F (0 to 15)
Bits 08 to 11:
Communications port number (inter-
nal logic port): 0 to 7, Automatic allo-
cation: F
6
Bits 12 to 15: Response setting
0: Response requested.
8: No response requested.
7
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.)
Unit
address
Unit
Serial port
number
Serial port
00 Hex
CPU Unit
1 Hex
Built-in RS-232C port
2 Hex
Peripheral port
10 Hex +
unit number
Serial Communications
Unit (CPU Bus Unit)
1 Hex
Port 1
2 Hex
Port 2
E1 Hex
Serial Communications
Board (Inner Board) (CS
Series only)
1 Hex
Port 1
2 Hex
Port 2
Summary of Contents for CJ1G-CPUxx
Page 3: ...iv N o t i c e ...
Page 5: ...vi ...
Page 21: ...xxii Conformance to EC Directives 6 ...
Page 35: ......
Page 1131: ...1110 CJ series Instruction Execution Times and Number of Steps Section 4 2 ...