Mitsubishi MOTION CONTROLLERS Q172DCPU Manual de instrucciones descargar pdf (Pagina 140)

APP - 5

PPENDICES

APPENDIX 1.2 Special registers

Special registers are internal registers whose applications are fixed in the

Motion CPU. For this reason, it is not possible to use these registers in Motion

SFC programs in the same way that normal registers are used.

However, data can be written as needed in order to control the Motion CPU.

Data stored in the special registers are stored as BIN values if no special

designation has been made to the contrary.

The headings in the table that follows have the following meanings.

Item Explanation

Number • Indicates the No. of the special register.

Name • Indicates the name of the special register.

Meaning • Indicates the nature of the special register.

Details • Indicates detailed information about the nature of the special register.

Set by

(When set)

• Indicates whether the register is set by the system or user, and, if it is set by system,

when setting is performed.

S: Set by system (Motion CPU)

U: Set by user (Motion SFC program or test operation using MT Developer)

S/U: Set by both system (Motion CPU) and user

Indicated only if setting is done by system (Motion CPU).

Main process: Set during each main processing (free time processing of the CPU)

Initial process: Set only during initial processing (when power supply is turned ON, or

when executed the reset)

Status change : Set only when there is a change in status

Error : Set when error is occurred.

Request : Set only when there is a user request (Special relay, etc.)

Operation cycle : Set during each operation cycle of the Motion CPU.

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Mitsubishi MOTION CONTROLLERS Q172DCPU Manual de instrucciones Pagina 140