Mitsubishi MELSEC QD75P User Manual page 33

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
Control signal
Pulse train
Communication
Pulse signal
QD75 PLC CPU
The QD75 and PLC CPU communicate the following data via the base unit.
Direction
QD75
Signal indicating QD75 state, such as
QD75 READY signal, BUSY signal.
• 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 Peripheral device
• Parameter
• Positioning data
• Block start data
• Monitor data
QD75 Drive unit
The QD75 and drive unit communicate the following data via the external device
connection connector.
Direction
QD75
Signals related to commands such as
deviation counter clear signal
• Pulse train output
QD75 Manual pulse generator
The QD75 and manual pulse generator communicate the following data via the
external device connection connector.
(The manual pulse generator should be connected to an external device connection
connector for axis 1 or for axes 1 and 2.)
Direction
QD75 Manual pulse generator
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PLC CPU
Signal related to commands such as PLC
READY signal, various start signals, stop
signals
• Parameter
• Positioning data
• Block start data
• Control data
• Parameter
• Positioning data
• Block start data
• OPR control start command
• Positioning control start command
• JOG/Inching operation start command
–
• Teaching start command
• Manual pulse generator operation
enable/disable command
Drive unit
Signals indicating drive unit state such as
drive unit READY signal
Manual pulse generator
Manual pulse generator A-phase, manual
–
pulse generator B-phase
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MELSEC-Q
PLC CPU QD75
Peripheral device QD75
–
Drive unit QD75
–
QD75