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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
• 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