User`s manual

10
5.2 External Interface
The internal circuits of interface for connecting external devices to the QD75
are shown by the schematic diagrams in the tables below (for the QD75P1 and
QD75D1).
(1) Input (common to QD75P1 and QD75D1)
External
wiring
Pin
number
Internal circuit Signal name
Wiring
requirement
*1
1A3
Near-point dog
signal
DOG
1A1 Upper limit signal FLS
1A2 Lower limit signal RLS
1A4 Stop signal STOP
1A5
External
command signal
CHG
1A6
1A7
Common COM
(+)
1A19
PULSER A+
(-)
1B19
Manual pulse
generator A
phase
PULSER A-
(+)
1A20
PULSER B+
(-)
1B20
Manual pulse
generator B
phase
PULSER B-
1A11 Drive unit Ready READY
1A12
Drive unit Ready
common
RDY COM
1A8
1A9
Zero signal
PG024
PG05
DC24V
DC
5
V
5V
0V
A
B
*2
When not using
higher limit switch
Manual pulse
generator
(MR-HDP01)
When not using
lower limit switch
1A10
Zero signal
common
PG0 COM
*1: In the column indicating whether wiring is required, the symbol means
"wiring is required" and
means "wiring is required as needed."
*2: Either polarity can be connected to the common (COM).