Mitsubishi Electric MELSEC-Q QD75M User Manual page 37

1 PRODUCT OUTLINE
Communication
Control signal
Data (read/write)
Refer to Section 3.3 "Specifications of input/output signals with PLC CPU" for details.
Communication
Data (read/write)
Test operation
Operation monitor
Communication
SSCNET
QD75 PLC CPU
The QD75 and PLC CPU communicate the following data via the base unit.
Direction
QD75
Signal indicating QD75 state
• QD75 READY signal
• BUSY signal
and etc.
• Parameter
• Positioning data
• Block start data
• Control data
• Monitor data
QD75 Peripheral device
The QD75 and peripheral device communicate the following data via the PLC CPU:
Direction
QD75
• Parameter
• Positioning data
• Monitor data
QD75 Servo amplifier
The QD75 and servo amplifier communicate the following data via the SSCNET.
Direction
QD75
• Positioning commands
• Control commands
• Servo parameter
PLC CPU
Signal related to commands
• PLC READY signal
• Various start signals
• Stop signals
• All axis servo ON signal
• Parameter
• Positioning data
• Block start data
• Control data
Peripheral device
• Parameter
• Positioning data
• OPR control start command
• Positioning control start command
• JOG/Inching operation start command
–
• Teaching start command
• Manual pulse generator operation
Servo amplifier
• Operating information of the servo
• Servo parameter
1 - 20
PLC CPU
and etc.
Peripheral device
enable/disable command
–
Servo amplifier
amplifier
MELSEC-Q
QD75
QD75
QD75