Omron CJ - PROGRAMMING MANUAL 12-2009 - Page 349

309
Serial Communications Section 6-3
accessed using common ladder programming. The areas allocated for the
unit numbers of the PT or Polled Units not present in the network are unde-
fined in the Polling Unit only.
Example: Polling Unit link method, highest unit number: 3.
In the following diagram, Polled Unit No. 2 is a PT or a Unit not participating in
the network, so the corresponding area in the Polling Unit is undefined.
Allocated Words
Complete Link Method
Polling Unit Polled Unit No.0 Polled Unit No.1 Polled Unit No.3
Local area Polling Unit Polling Unit Polling Unit
Polled Unit
No.0
Local area Local area Local area
Polled Unit
No.1
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
(Not used.)
Undefined
Polled Unit
No.3
(Not used.)
(Not used.)
(Not used.)
(Not used.)
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 3102 CIO 3104 to
CIO 3105
CIO 3106 to
CIO 3108
CIO 3120 to
CIO 3129
Polled Unit No. 2 CIO 3103 CIO 3106 to
CIO 3107
CIO 3109 to
CIO 3111
CIO 3130 to
CIO 3139
Polled Unit No. 3 CIO 3104 CIO 3108 to
CIO 3109
CIO 3112 to
CIO 3114
CIO 3140 to
CIO 3149
Polled Unit No. 4 CIO 3105 CIO 3110 to
CIO 3111
CIO 3115 to
CIO 3117
CIO 3150 to
CIO 3159
Polled Unit No. 5 CIO 3106 CIO 3112 to
CIO 3113
CIO 3118 to
CIO 3120
CIO 3160 to
CIO 3169
Polled Unit No. 6 CIO 3107 CIO 3114 to
CIO 3115
CIO 3121 to
CIO 3123
CIO 3170 to
CIO 3179
Polled Unit No. 7 CIO 3108 CIO 3116 to
CIO 3117
CIO 3124 to
CIO 3126
CIO 3180 to
CIO 3189
CIO 3199 Not used. CIO 3109
to
CIO 3199
CIO 3118 to
CIO 3199
CIO 3127 to
CIO 3199
CIO 3190 to
CIO 3199