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1052
Network Instructions
Section 3-25
Ladder Symbol
Variations
Applicable Program Areas
Operands
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.
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 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.
The following two methods can be used to receive data from a host com-
puter through a serial port with the host link while initiating communications
from the PLC.
RECV(098)
S
D
C
S
: First source word (remote node)
D
: First destination word (local node)
C
: First control word
Variations
Executed Each Cycle for ON Condition
RECV(098)
Executed Once for Upward Differentiation
@RECV(098)
Executed Once for Downward Differentiation
Not supported
Immediate Refreshing Specification
Not supported
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
Source network address:
00 to 7F (0 to 127)
2, 4
Bits 08 to 11:Serial port number
(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
Source unit address
5
Source node address:
00 to maximum allowed
6
C+3
No. of retries: 00 to 0F (0 to 15)
Port number: 00 to 07
(F: Automatic allocation)
7
Response is fixed to “required.”
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.)
Содержание SYSMAC CS1D-CPU**
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Страница 185: ...146 List of Instructions by Function Code Section 2 4...
Страница 193: ...154 3 35 4 MOVE BIT MOVBC 568 1274 3 35 5 BIT COUNTER BCNTC 621 1276 3 35 6 GET VARIABLE ID GETID 286 1278...
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