Toshiba CD332 24

24 Change Detect DC Input Module (CD332)

5. Programming

5.2 Interrupt operation

The enable/disable of the interrupt program is changed as follows.

n+1n21

Interrupt

PLC mode HALTRUNHOLDRUN

Disable

(Hold)

Time

DisableEnableEnableDisable

HALT

Scan

In the RUN mode, interrupt operation is disabled at the first scan, and enabled from the

second scan.

In the HALT mode, interrupt operation is disabled.

In the HOLD mode, interrupt operation is disabled but the interrupt requests occurred

during HOLD mode is held.

During interrupt program execution, other interrupts are disabled, and the interrupt

request is held as follows.

Execution

n+2n+1nn21

Interrupt

PLC mode HALTRUN

Disable

(Hold)

Time

DisableEnableEnableDisable

HALT

Interrupt program

Scan

Note) The held interrupt requests are accepted when interrupt status is changed to

enable, according to the priority as follows.

(Timer interrupt → I/O#1 → I/O#2 → … → I/O#8, in default)

Contents

Main CD332 Page Page Page Safety Precautions Safety Symbols Safety Precautions ! ! ! 2 About This Manual About This Manual Inside This Manual About This Manual Related Manuals 4 Contents Contents Section 1 CD332 Overview 6 1.1 Introduction 1.2 External features CD332 8 Section 2 Specifications 10 2. Specifications 2.1 General specifications 2.2 Functional specifications 2. Specifications 2.3 Input circuit 2.4 Input signal connections Page Section 3 Mode Setting 14 3. Mode Setting 3.1 Input delay setting 3. Mode Setting 3.2 Interrupt generation timing setting Page Section 4 I/O Allocation 18 4.1 I/O allocation and I/O register Page 20 4.2 Interrupt assignment Section 5 Programming 22 Page 24 5.2 Interrupt operation