Omron CJ - PROGRAMMING MANUAL 12-2009 - Page 350

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Serial Communications Section 6-3
Polling Unit Link Method
Procedure
The Serial PLC Links operate according to the following settings in the PLC
Setup.
Settings at the Polling Unit
1,2,3... 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 (0 to 7).
Settings at the Polled Units
1,2,3... 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 Setup
Settings at the Polling Unit
When using a high-speed serial PLC Link, select the Custom Option in the
Communications Settings Area and set the baud rate to 115,200 bps.
Address Link words 1 word 2 words 3 words to 10 words
CIO 3100
Serial PLC
Link Words
Polling Unit CIO 3100 CIO 3100 to
CIO 3101
CIO 3100 to
CIO 3102
CIO 3100 to
CIO 3109
Polled Unit No. 0 CIO 3101 CIO 3102 to
CIO 3103
CIO 3103 to
CIO 3105
CIO 3110 to
CIO 3119
Polled Unit No. 1 CIO 3101 CIO 3102 to
CIO 3103
CIO 3103 to
CIO 3105
CIO 3110 to
CIO 3119
Polled Unit No. 2 CIO 3101 CIO 3102 to
CIO 3103
CIO 3103 to
CIO 3105
CIO 3110 to
CIO 3119
Polled Unit No. 3 CIO 3101 CIO 3102 to
CIO 3103
CIO 3103 to
CIO 3105
CIO 3110 to
CIO 3119
Polled Unit No. 4 CIO 3101 CIO 3102 to
CIO 3103
CIO 3103 to
CIO 3105
CIO 3110 to
CIO 3119
Polled Unit No. 5 CIO 3101 CIO 3102 to
CIO 3103
CIO 3103 to
CIO 3105
CIO 3110 to
CIO 3119
Polled Unit No. 6 CIO 3101 CIO 3102 to
CIO 3103
CIO 3103 to
CIO 3105
CIO 3110 to
CIO 3119
Polled Unit No. 7 CIO 3101 CIO 3102 to
CIO 3103
CIO 3103 to
CIO 3105
CIO 3110 to
CIO 3119
CIO 3199 Not used. CIO 3102
to
CIO 3199
CIO 3104 to
CIO 3199
CIO 3106 to
CIO 3199
CIO 3120 to
CIO 3199