Mitsubishi MELSEC-Q QD77MS User Manual

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Chapter 1 Product Outline
QD77MS PLC CPU
The QD77MS and PLC CPU communicate the following data.
Direction
Communication
QD77MS
PLC CPU PLC CPU QD77MS
Control signal
Signal indicating QD77MS state
• QD77 READY signal
• BUSY signal
and etc.
Signal related to commands
• PLC READY signal
• All axis servo ON signal
• Positioning start 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.
QD77MS GX Works2
The QD77MS and GX Works2 communicate the following data via the PLC CPU:
Direction
Communication
QD77MS
GX Works2 GX Works2 QD77MS
Data (read/write)
• Parameter
• Positioning data
• 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 –
QD77MS Servo amplifier
The QD77MS and servo amplifier communicate the following data via the
SSCNET
(/H)
.
Direction
Communication
QD77MS
Servo amplifier Servo amplifier QD77MS
SSCNET /H
SSCNET
• Positioning commands
• Control commands
• Servo parameter
• Operating information of the servo
amplifier
• Servo parameter
• External input signal of the servo amplifier

Mitsubishi MELSEC-Q QD77MS Specifications

General

Brand	Mitsubishi
Model	MELSEC-Q QD77MS
Category	Control Unit
Language	English