Stepper Motor Driver AD1231
YA7159-1/3
- 7 -
4. Connection
Connector No.
Pin No.
Signal name
Remarks
CN1
(Power supply)
1
PWR+
Control power DC+24V
2
PWR-
Control power GND
CN2
(I/O)
1
CW+(CLK+)
CW signals in the two pulse method (CW/CCW)
When the photocoupler turns ON to OFF, the step motion is
made in the CW direction.
CLK signal in the one pulse method (CLK/DIR)
When the photocoupler turns ON to OFF, the step motion is
made.
2
CW-(CLK-)
3
CCW+(DIR+)
CCW signals in the two pulse method (CW/CCW)
When the photocoupler turns ON to OFF, the step motion is
made in the CCW direction.
DIR signals in the one pulse method (CLK/DIR)
Photocoupler ON : CCW direction
Photocoupler OFF : CW direction
4
CCW-(DIR-)
5
MTR/OFF+
Motor excitation ON/OFF signals
Photocoupler ON : Excitation OFF
Photocoupler OFF : Excitation ON
6
MTR/OFF-
7
ACD/OFF+
Auto current down ON/OFF signals
Photocoupler ON : ACD_OFF
Photocoupler OFF : ACD_ON
8
ACD/OFF-
9
EORG+
Output signal to display 2 phase excitation condition
Photocoupler ON : 2 phase excitation
Photocoupler OFF : Other than 2 phase excitation
10
EORG-
CN3
(Motor)
1
COM1
Motor A phase common connection
2
COM2
Motor B phase common connection
3
A
Motor A phase connection
4
_
A
Motor
_
A phase connection
5
B
Motor B phase connection
6
_
B
Motor
_
B phase connection
