Mitsubishi Electronics QD75D ユーザーズマニュアル

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MELSEC-Q

1 PRODUCT OUTLINE

QD75 PLC CPU

The QD75 and PLC CPU communicate the following data via the base unit.

Direction

Communication

QD75

PLC CPU

QD75

Control signal

Signal indicating QD75 state, such as
QD75 READY signal, BUSY signal.

Signal related to commands such as PLC
READY signal, various start signals, stop
signals

Data (read/write)

• Parameter

• Positioning data

• Block start data

• Control data

• Monitor data

• Parameter

• Positioning data

• Block start data

• Control data

Refer to Section 3.3 "Specifications of input/output signals with PLC CPU" for details.

QD75 Peripheral device

The QD75 and peripheral device communicate the following data via the PLC CPU:

Direction

Communication

QD75

Peripheral device

QD75

Data (read/write)

• Parameter

• Positioning data

• Block start data

• Parameter

• Positioning data

• Block start data

Test operation

–

• OPR control start command

• Positioning control start command

• JOG/Inching operation start command

• Teaching start command

• Manual pulse generator operation

enable/disable command

Operation monitor

• Monitor data

–

QD75 Drive unit

The QD75 and drive unit communicate the following data via the external device

connection connector.

Direction

Communication

QD75

Drive unit

QD75

Control signal

Signals related to commands such as
deviation counter clear signal

Signals indicating drive unit state such as
drive unit READY signal

Pulse train

• Pulse train output

–

QD75 Manual pulse generator

The QD75 and manual pulse generator communicate the following data via the

external device connection connector.

(The manual pulse generator should be connected to an external device connection

connector for axis 1 or for axes 1 and 2.)

Direction

Communication

QD75

Manual pulse generator

QD75

Pulse signal

–

Manual pulse generator A-phase, manual
pulse generator B-phase