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3. SIGNALS AND WIRING
3.3.2 Signal explanations
1) CN1A
Signal Name
Digital I/F power supply
input
Open collector power
input
Digital I/F common
15VDC power supply
Control common
Manual pulse generator
Proximity dog
Home position return
completion
Shield
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Symbol Pin No.
COM
9
Used to input 24VDC (200mA or more) for input interface.
Connect the positive ( ) terminal of the 24VDC external power
supply.
24VDC 10%
OPC
11
When inputting a pulse train in the open collector system, supply
this terminal with the positive ( ) power of 24VDC.
SG
10, 20
Common terminal for input signals such as SON and EMG. Pins are
connected internally.
Separated from LG.
P15R
4
Outputs 15VDC to across P15R-LG. Available as power for TC, TLA,
VC, VLA.
Permissible current: 30mA
LG
1
Common terminal for TLA, VC, OP ,MO1, MO2 and P15R.
Pins are connected internally.
PP
3
Used to connect the manual pulse generator (MR-HDP01). (Refer to
Section 14.1.6.)
NP
2
DOG
8
When terminals DOG-SG are shorted, the proximity dog (DOG) is
detected. The polarity of dog detection input can be changed with the
parameter.
0
1
ZP
18
ZP-SG are connected on completion of home position return.
In the absolute position system, ZP-SG are connected when the servo
amplifier is ready to operate but are disconnected if:
1) SON-SG are opened;
2) EMG-SG are opened;
3) RES-SG are shorted;
4) Alarm occurs;
5) Limit switch opens;
6) Home position return has not been made after the purchase of the
product;
7) Home position return has not been made after the occurrence of
absolute position erasure (A. 25) or absolute position counter
warning
(A. E3);
8) Home position return has not been made after the changing of the
electronic gear value;
9) Home position return has not been made after the absolute position
system was made valid; or
10) The ST1 coordinate system (000
changed.
When the status is not any of 1) to 10) and home position setting has
already been completed at least once, the home position return
completion (ZP) is in the same output status as the ready (RD).
In the initial status, devices have not yet been assigned.
19
You can assign I/O devices using the Servo Configuration software.
SD
Plate
Connect the external conductor of the shield cable.
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Description
Parameter No.8
Polarity of Proximity Dog Detection Input
(initial value)
DOG-SG are opened.
DOG-SG are shorted.
3 - 6
in parameter No.1) has been
I/O Division
DI-1
DO-1
DI-1
DO-1
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