CS1D-II102D Omron, CS1D-II102D Datasheet - Page 151
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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Duplex CPU Units
116
Note These instructions include IORF(097) (I/O REFRESH), DLINK(226) (CPU
Cyclic Operations
BUS UNIT I/O REFRESH), IORD(222) (INTELLIGENT I/O READ),
IOWR(223) (INTELLIGENT I/O WRITE), PID(190) (PID), RXD(235)
(RECEIVE), FREAD(700) (READ DATA FILE), and FWRIT(701) (WRITE
DATA FILE).
The following table shows the processing related to duplex operation. For
details, refer to SECTION 9 CPU Unit Operation and the Cycle Time.
Startup processing
Duplex initialization
Beginning of duplex
synchronization and
Waiting for end of
duplex synchroniza-
tion
Processing
Peripheral servicing
Startup processing
Duplex initialization
Duplex bus check
Duplex refreshing
Active CPU Unit
Synchronized
instructions (See note.)
I/O refreshing
User program
execution
Common cyclic
processing
Waiting for end of duplex synchronization
Beginning of duplex synchronization
Duplex status is checked (i.e., whether the Unit status is active
or standby).
Data is transferred from the active CPU Unit to the standby
CPU Unit, and verified. (Details are provided below.)
In a Duplex CPU System, synchronization processing is exe-
cuted in order to coordinate the timing of active and standby
CPU Unit operations.
Transfer processing
Transfer processing
Transfer processing
Synchronized
processing
Duplex-related processing
Standby CPU Unit
Peripheral servicing
Startup processing
Duplex initialization
User program
execution
Synchronized
instructions (See note.)
Common cyclic
processing
Section 3-1
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