Omron SYSMAC CS/CJ Series Programming Manual page 295

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Serial Communications
Procedure
Settings at the Polling Unit
1,2,3...
Settings at the Polled Units
1,2,3...
PLC Setup
Settings at the Polling Unit
Item
RS-232C
Serial communica-
port setting
tions mode
Port baud rate
Link method
Number of link
words
Highest unit num-
ber
Settings at the Polled Unit
Item
RS-232C
Serial communica-
port set-
tions mode
tings
Port baud rate
Polled Unit unit
number
274
The Serial PLC Links operate according to the following settings in the PLC
Setup.
1. Set the serial communications mode of the RS-232C communications port
to Serial PLC Links (Polling Unit).
2. Set the link method to the Complete Link Method or Polling Unit Link Meth-
od.
3. Set the number of link words (up to 10 words for each Unit).
4. Set the maximum unit number in the Serial PLC Links (1 to 7).
1. Set the serial communications mode of the RS-232C communications port
to Serial PLC Links (Polled Unit).
2. Set the unit number of the Serial PLC Link Polled Unit.
PLC address
Word
Bit
160
11 to 08
161
07 to 00
166
15
07 to 04
03 to 00
Note Automatically allocates 10 words (A hex) when the default setting of 0 hex is
used.
PLC address
Word
Bit
160
11 to 08
161
07 to 00
167
03 to 00
Note The default baud rate is 38.4 kbps
Set value
8 hex: Serial PLC Links
Polling Unit
00 hex: Standard
0A hex: High-speed
0: Complete links
1: Polling Unit links
1 to A hex
0 to 7 hex
Set value
7 hex: Serial PLC Link
Polled Unit
00 hex: Standard
0A hex: High-speed
0 to 7 hex
Section 6-3
Default
Refresh timing
0 hex
Every cycle
(except immediate
00 hex
refresh when exe-
cuting the
STUP(237) instruc-
0
tion)
0 hex (See
note.)
0 hex
Default
Refresh timing
0 hex
Every cycle
(except immediate
refresh when exe-
00 hex
cuting the
(See note.)
STUP(237) instruc-
0 hex
tion)

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