User`s manual

4
4. Part Identification Nomenclature
(1) Part identification nomenclature
(a) For QD75P4 (b) For QD75D4
2)
1)
3)
1)
2)
3)
4)
5)
5)
No. Name Details
1) RUN indicator LED, ERR indicator LED
2) Axis display LED (AX1 to AX4)
Refer to the next page.
3) External device connector
Connector for connection with the drive unit,
mechanical system input or manual pulse
generator. (40-pin connector) AX1: Axis 1, AX2:
Axis 2, AX3: Axis 3, AX4: Axis 4
For details, refer to Section 3.4.2 "Signal layout
for external device connection connector".
4)
Differential driver common terminal
(Differential driver output system
(QD75D1, QD75D2, QD75D4) only)
Terminal connected to the differential receiver
common of the drive unit. For details, refer to
Section 4.3.2 "Wiring of the differential driver
common terminal".
5) Serial number plate Indicates the serial No. of the QD75.