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3.4 Signal explanations
1) CN1A
Signal Name
Symbol Pin No.
Digital I/F power supply
input
Open collector power
input
Digital I/F common
DC15V power supply
Control common
Proximity dog
Zeroing completion
Shield
COM
9
Used to input 24VDC±10% for input interface.
Driver power input terminal for digital interface.
COM of each connector is connected in the servo amplifier.
When using an external power supply, connect a power supply of
24VDC, 200mA or more to this terminal.
OPC
11
When using a manual pulse generator, supply 24VDC to this
terminal.
SG
10, 20
Common terminal for VDD and COM and isolated from LG.
P15R
4
Used to output 15VDC. Power supply terminal for VC and TLA.
LG
1
Common terminal for VC, TLA, MO1, MO2 and P15R.
DOG
8
When terminals DOG-SG are shorted, the proximity dog signal is
detected. The polarity of dog detection input can be changed with the
parameter.
Parameter No.8
0
1
(initial value)
ZP
18
ZP-SG are connected on completion of zeroing.
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) Zeroing has not been made after the purchase of the product;
7) Zeroing has not been made after the occurrence of absolute position
erasure (A. 25) or absolute position counter warning
(A. E3);
8) Zeroing has not been made after the changing of the electronic gear
value;
9) Zeroing has not been made after the absolute position system was
made valid; or
10) The ST1 coordinate system (000
changed.
19
Empty
SD
Plate
Connect one end of the shielded cable.
Description
Polarity of Proximity Dog Detection Input
DOG-SG are opened.
DOG-SG are shorted.
in parameter No.1) has been
10
I/O Division
DI-1
DO-1
DI-1
DO-1
BCN-B11127-479*
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