CS1D-BI082D Omron, CS1D-BI082D Datasheet - Page 366
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CS1D-BI082D
Manufacturer Part Number
CS1D-BI082D
Description
CS1D Dual Exp Rack
Manufacturer
Omron
Datasheet
1.CS1D-SP002.pdf
(638 pages)
Specifications of CS1D-BI082D
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Parallel Processing (Single CPU Systems Only)
CPU Unit Operation
Program
execution
cycle time
Program
Execution
Cycle
Overseeing
processing
Peripheral
servicing
Startup
initialization
Program
execution
I/O
refreshing
(even in
PROGRAM
mode)
Power ON
Initialize hardware
memory and system
work area.
Detect I/O.
Automatically transfer
data from Memory
Card.
1,2,3...
Perform the following servicing if any events
have occurred.
File access servicing
Note: In Parallel Processing with Synchronous
Memory Access, any events requiring I/O
memory access are serviced here.
Note Always disconnect the Programming Console from the peripheral port during
Operation processing: Execute the user
program.
Error processing: Turn OFF outputs.
(Reset Units for bus errors.)
After error: Clear I/O memory is an error
occurs (unless a FALS(007) instruction
created the error).
Refresh data for the following Units.
Basic I/O Units
SYSMAC BUS Remote I/O Master Units
Special I/O Units (both words allocated in
CIO and DM area and specific data for
each Unit)
CPU Bus Units (both words allocated in
CIO and DM area and specific data for
each Unit)
Inner Boards (both words allocated in CIO
and DM area and specific data for each
Unit)
Read DIP switch settings.
Check I/O bus.
The following two types of processing are performed in parallel in either of the
Parallel Processing Modes.
1. Program execution: Includes user program execution and I/O refreshing. It
2. Peripheral servicing: Programming Devices and events from Special I/O
There are two different Parallel Processing Modes. Parallel Processing with
Synchronous Memory Access refreshes I/O memory in the program execution
cycle and Parallel Processing with Asynchronous Memory Access refreshes
I/O memory in the peripheral servicing cycle.
actual system operation in a Parallel Processing Mode. If the Programming
Console is left attached, excess time will be allocated to increase key
response for the Programming Console, adversely affecting performance.
is this cycle time that is monitored from a Programming Device.
Units and CPU Bus Units are serviced when they occur.
Verify actual Units with
registered I/O tables.
Clear I/O memory.
Check user memory.
Clear forced status,
etc.
Peripheral Servicing Cycle
Peripheral
servicing
cycle time
Peripheral
servicing
Overseeing
processing
Perform the following servicing if any
events have occurred.
Special I/O Unit event servicing
CPU Bus Unit event servicing
Peripheral port servicing
RS-232C port servicing
Inner Board event servicing
Communications port servicing
Note: In Parallel Processing with
Synchronous Memory Access, any
events requiring I/O memory access are
serviced in the program execution cycle.
Check the Battery.
Check I/O bus.
Check user program
memory.
Section 9-1
331
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