Mitsubishi Electronics QD75MH2 Manuel D’Utilisation

1 - 20

MELSEC-Q

1 PRODUCT OUTLINE

QD75MH PLC CPU

The QD75MH and PLC CPU communicate the following data via the base unit.

Direction

Communication

QD75MH PLC CPU

PLC CPU QD75MH

Control signal

Signal indicating QD75MH state
• QD75 READY signal
• BUSY signal
and etc.

Signal related to commands
• PLC READY signal
• Various start signals
• Stop signals
• All axis servo ON signal
and etc.

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.

QD75MH Peripheral device

The QD75MH and peripheral device communicate the following data via the PLC
CPU:

Direction

Communication

QD75MH Peripheral device

Peripheral device QD75MH

Data (read/write)

• Parameter
• Positioning 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

–

QD75MH Servo amplifier

The QD75MH and servo amplifier communicate the following data via the
SSCNET .

Direction

Communication

QD75MH Servo amplifier

Servo amplifier QD75MH

SSCNET

• Positioning commands
• Control commands
• Servo parameter

• Operating information of the servo

amplifier

• Servo parameter
• External input signal of the servo amplifier