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Interrupt Control Instructions Section 3-20
■ Reading the Up/Down Differentiation Settings of I/O Interrupt Tasks
(CS1W-INT01, CJ1W-INT01, and CJ1M CPU Unit Built-in Inputs Only)
Inputs to a CS1W-INT01/CJ1W-INT01 Interrupt Input Unit (16 inputs/Unit)
Inputs to a CJ1M CPU Unit’s Built-in Inputs (4 inputs/Unit)
■ Reading the Set Value of a Scheduled Interrupt Task’s Internal Timer
■ Reading the Present Value of a Scheduled Interrupt Task’s Internal Timer
(CJ1M CPU Units Only)
Operand Contents
N Specify the Interrupt Input Unit’s unit number.
2: Unit number 0 (interrupt tasks 100 to 115)
3: Unit number 1 (interrupt tasks 116 to 131)
D Range: 0000 to FFFF hex.
Bits 0 to 15 correspond to each interrupt task. The meaning of the
individual flags is as follows:
0: Up-differentiation (Detect rising edge.)
1: Down-differentiation (Detect falling edge.)
Operand Contents
N Specify the interrupt input number.
10: Interrupt input 0 (interrupt task 140)
11: Interrupt input 1 (interrupt task 141)
12: Interrupt input 2 (interrupt task 142)
13: Interrupt input 3 (interrupt task 143)
D 0000 hex: Up-differentiation (Detect rising edge.)
0001 hex: Down-differentiation (Detect falling edge.)
Operand Contents
N Specify the scheduled interrupt number.
4:Interrupt task 0 (interrupt task 2)
5:Interrupt task 1 (interrupt task 3)
Note Only scheduled interrupt 0 can be used with the CJ1M-CPU11/21.
C Scheduled interrupt
time units (Set in the
PLC Setup.)
Scheduled interrupt set time
Any time unit setting 0 decimal (0000 hex):
Interrupt disabled. (Internal timer stopped.)
10 ms 1 to 9,999 decimal (0001 to 270F hex):
Interrupt enabled. (Internal timer started with
interrupt interval between 10 and 99,990 ms.)
1 ms 1 to 9,999 decimal (0001 to 270F hex):
Interrupt enabled. (Internal timer started with
interrupt interval between 1 and 9,999 ms.)
0.1 ms 1 to 9,999 decimal (0001 to 270F hex):
Interrupt enabled. (Internal timer started with
interrupt interval between 0.1 and 999.9 ms.)
Operand Contents
N Specify the scheduled interrupt number.
14: Scheduled interrupt 0 (interrupt task 2)
15: Scheduled interrupt 1 (interrupt task 3)
Note Only scheduled interrupt 0 can be used with the CJ1M-CPU11/21.
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