Mitsubishi Electric QD75MH1 User Manual page 39

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
QD75MH PLC CPU
The QD75MH and PLC CPU communicate the following data via the base unit.
Direction
QD75MH
Signal indicating QD75MH state
• QD75 READY signal
• BUSY signal
and etc.
• Parameter
• Positioning data
• Block start data
• Control data
• Monitor data
QD75MH Peripheral device
The QD75MH and peripheral device communicate the following data via the PLC
CPU:
Direction
QD75MH
• Parameter
• Positioning data
• Monitor data
QD75MH Servo amplifier
The QD75MH and servo amplifier communicate the following data via the
SSCNET .
Direction
QD75MH
• 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
and etc.
• 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
enable/disable command
Servo amplifier
• Operating information of the servo
amplifier
• Servo parameter
• External input signal of the servo amplifier
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MELSEC-Q
PLC CPU QD75MH
Peripheral device QD75MH
–
Servo amplifier QD75MH