CS1D-II102D Omron, CS1D-II102D Datasheet - Page 278
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CS1D-II102D
Manufacturer Part Number
CS1D-II102D
Description
CS1D Dual IO Interface Unit
Manufacturer
Omron
Datasheet
1.CS1D-SP002.pdf
(638 pages)
Specifications of CS1D-II102D
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Data Exchange with CPU Bus Units
7-6-3
CPU Bus Unit Area (I/O Refreshing)
Transfer of Words Allocated in the DM Area
CPU Bus Units
1,2,3...
Note
can be extended by setting a minimum cycle time in the PLC Setup or cyclic
I/O refreshing with the Special I/O Unit can be disabled. When cyclic refresh-
ing has been disabled, the Special I/O Unit’s data can be refreshed during
program execution with IORF(097).
1. Always disable a Special I/O Unit’s cyclic refreshing if the Unit’s I/O will be
2. Whenever disabling a Special I/O Unit’s cyclic refreshing, be sure that the
Data can be exchanged between CPU Bus Units and the CPU Unit through
the CPU Bus Unit Area, the DM Area, or FINS commands.
Data is exchanged each cycle during I/O refreshing of the CPU Bus Unit Area.
Basically, 25 words are allocated to each CPU Bus Unit based on its unit num-
ber setting. The number of words actually used by the CPU Bus Unit varies.
The Special I/O Unit Area ranges from CIO 1500 to CIO 1899 (25 words
Units).
Each CPU Bus Unit is allocated 100 words in the DM Area in the range of
D30000 to D31599 (100 words
may be transferred through the words allocated to each Unit. The timing of
data transfers depends on the model being used.
1. Data transferred when the PLC is turned ON.
2. Data transferred each cycle.
3. Data transferred when necessary.
refreshed in an interrupt task with IORF(097). An interrupt task error
(A40213) will occur if cyclic refreshing and IORF(097) refreshing are per-
formed simultaneously.
I/O for that Unit is refreshed with IORF(097) in the program at least every
11 seconds during operation. A CPU Unit service monitoring error will oc-
cur in the Special I/O Unit if it is not refreshed every 11 seconds.
Note With CS1-H CPU Units, the CPU BUS I/O REFRESH instruction
Note With CS1-H CPU Units, the CPU BUS I/O REFRESH instruction
(DLNK(226)) can be executed in the ladder program to refresh the
CIO Area words allocated to the CPU Bus Unit of a specified unit
number.
(DLNK(226)) can be executed in the ladder program to refresh the
DM Area words allocated to the CPU Bus Unit of a specified unit
number.
CPU Bus Unit
Transferred in
I/O refreshing
CPU Unit
16 Units). There are three times that data
CPU Bus Unit Area
25 words/Unit
Section 7-6
243
16
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