CJ1M-CPU12 Omron, CJ1M-CPU12 Datasheet - Page 12

• Manufacturer Part Number: CJ1M-CPU12
• Description: CPU CJ1M 10k PROG, 32k
• Manufacturer: Omron

Specifications of CJ1M-CPU12

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Maintenance and Management
J A Wide Range of Special Functions
Cycle Time Functions
Interrupt Functions
CPU Overview
B-22
Requirements
Reducing the cycle time
Eliminating deviations in I/O response time
Stopping operation for long cycle times
Interrupt input
Requirements
Executing program without being affected
by the cycle time
Monitoring operating conditions at a
specific interval
Executing emergency processing for
power interruptions
Reducing I/O response time
for specific I/O
Programmable Controller
Power OFF
Shorter cycle time
Over time
Operation
stopped.
Interrupt task
Interrupt
program
High-
speed
I/O
CJ1
Solutions
• Place tasks that are not being executed on standby.
• Create subroutines for portions of tasks executed only under special
• Disable cyclic refreshing for Special I/O Modules when not required
• Set the cycle time to a fixed time.
• Use the cycle time monitoring function to stop operation when the cycle
• Use an I/O interrupt task to execute an interrupt program when a
• External I/O can be directly refreshed either by using immediate
Solutions
• Use I/O interrupt tasks to execute interrupt programs when specific
• Use a scheduled interrupt task to execute an interrupt program at a
• Use the power OFF interrupt task to execute an interrupt program
conditions.
in each cycle.
time is too long. (Functions as a cycle-time watch-dog timer.)
specific input turns ON. When the appropriate instruction is executed in
the interrupt program the external I/O will be refreshed.
refreshing for instruction operands or by using the IORF instruction to
refresh all or a specified portion of external I/O.
inputs turn ON.
specific interval.
before the CPU stops. Immediate refreshing can be used inside this
interrupt program to refresh specified outputs.
Set fixed time.
Interrupt program
Interrupt program