Omron V320-F Series Connection Manual page 57

C1: Control Data
Set three types of data about the SCU unit.
・ Communications port No. (Internal logical port): #0 to 7
・ Serial port No. (Physical port): #1 to 2 (#1: PORT1, #2: PORT2)
・ Unit address of communications partner: #Unit No. + #10
Communications port No.
(Internal logical port)
C2: Control Data
Set the communications sequence number registered as protocol macro data. Refer to
9.2.1. Communications Sequence Number for the sequence number registered in the
protocol macro data.
S: First Send Word and Send Area (Send Area Specification)
Set the number of words (n) to be secured for the send area (including the word S).
Setting range: n = &0 to 250 or #0000 to 00FA
Send data (data assigned to variables) is stored in the words S+1 to S+(n-1).
If there is no operand specified in the execution sequence, such as a direct or linked word,
specify the constant #0000 for the word S.
+0
Bit
15 0
Send Area: S
* * * *
No. of words in Send Area
D: First Receive Word and Receive Area (Receive Area Specification)
The number of words (m) of received data is automatically stored in word D (including the
word D). In the words D+1 to D+(m-1), actually received data is stored. (Setting range: m =
&0 to 250 or #0000 to 00FA)
+0
Bit
15
* *
Control data: C1
+0
Bit
15
* *
Control data: C2
+1 +2
15 0 15
* * * * * * *
0
* *
Unit address of
communications partner
Serial port No. (Physical port)
0
* *
Communications sequence No.
&0 to 999 (#0000 to 03E7)
...
+3
0 15 0 15
* * * * * * *
Words
9. Program
(n-1)
0 15 0
* * * * * *
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