1 PRODUCT OUTLINE

MELSEC-Q

 

 

QD75

PLC CPU

 

 

 

 

 

 

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

 

 

 

 

 

Direction

QD75 PLC CPU

PLC CPU QD75

Communication

 

 

Control signal

Signal indicating QD75 state, such as

Signal related to commands such as PLC

QD75 READY signal, BUSY signal.

READY signal, various start signals, stop

 

 

 

signals

 

 

 

 

 

 

 

• Parameter

• Parameter

 

 

 

• Positioning data

 

 

 

• Positioning data

Data (read/write)

• Block start data

• Block start data

 

 

 

• Control data

 

 

 

• Control data

 

 

 

• Monitor 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

QD75 Peripheral device

Peripheral device QD75

Communication

 

 

 

 

 

 

• Parameter

• Parameter

Data (read/write)

• Positioning data

• Positioning data

 

• Block start data

• Block start data

 

 

• OPR control start command

 

 

• Positioning control start command

Test operation

• 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

QD75 Drive unit

Drive unit QD75

Communication

 

 

 

 

Control signal

 

Signals related to commands such as

Signals indicating drive unit state such as

 

deviation counter clear signal

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

QD75

Manual pulse generator

Manual pulse generator QD75

Communication

 

 

 

 

 

 

 

 

 

 

Pulse signal

 

 

Manual pulse generator A-phase, manual

 

 

pulse generator B-phase

 

 

 

 

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Mitsubishi Electronics QD75D, QD75P user manual QD75 Peripheral device, QD75 Drive unit, QD75 Manual pulse generator