
- 21 -
2CD-7713v1/GDB5F40
Instructions Manual
3-2. Setting of the driver part
1
Description of operating
( )
Operation method is the same in both X-axis and Y-axis.
Turn off the power supply when you operate the switch.
Sign
Name of operation element
Description
Factory-set
(
)
[
]
MS
MOTOR SEL switch
Setting is prohibited. OFF setting
OFF
(
)
[
]
2P
Pulse input select switch
Setting is prohibited. OFF setting
OFF
[
]
DHT SEL
HOLD SWITCHING TIME SELECT switch Selects the automatic DRIVE/HOLD switching time.
OFF: DH1
〔
(
)〕
S.T SEL
STEP TABLE switch
Selects the STEP TABLE.
OFF S.T1
〔
〕
DRIVE I. SEL
DRIVE CURRENT SELECT switch
Selects the Drive Current.
No. F
〔
〕
STEP SEL
STEP ANGLE SELECT switch
Selects the step angle.
No. 1
〔
〕
HOLD I. ADJ HOLD CURRENT SELECT switch
Selects the Hold Current.
No. 3
2
Setting of HOLD SWITCHING TIME SELECT DHT SEL
switch
( )
(
)
DRIVE/HOLD current automatic switching time is set up with the DHT SEL switch.
Inputting drive pulse causes the current output to the motor to change from HOLD current to DRIVE current,
which returns to HOLD current in about "t1" . DRIVE current continues if pulse is input on driving-state.
DRIVE PULSE
(
)
CCW
CW CCW
MOTOR CURRENT
CW Clockwise
HOLD
DRIVE
HOLD
(
)
t1
(
)
DHT SEL
t1 Hold Switching Time
(
)
ON
DH2
16 ms
Factory-set
OFF
DH1 150 ms
(
)
←
The switch is factory-set to DH1 150 ms
.
・
[
(
)]
When time from a pulse stop to the next pulse input is short, because the supply ratio of the DRIVE current
・
rises, motor fever may become high.
For this case, motor fever can be suppressed by setting the HOLD current switch time to fast.
Confirm the step out doesn't occur when the motor stops with the real systems.
・
DRIV
E
STE
P
ST
DH
2P
1
2
3
4
(O
N
⇔
O
F
F
)
MS
OFF:
HOLD SWITCHING TIME SELECT (DHT SEL) switch
STEP TABLE (S.T SEL) switch
[
OF
F
[O
N
:
D
H
2
-
O
F
F:
D
H
1
]
[O
N
:
S
.T
2
-
O
F
F:
S
.T
1
]
[OF
F
]
:
P
roh
ib
it
ion
of se
t
:
HOLD CURRENT SELECT (HOLD I. SEL) switch
STEP ANGLE SELECT (STEP SEL) switch
DRIVE CURRENT SELECT (DRIVE I. SEL) switch
OFF:
Setting is prohibited.
Setting is prohibited.
HOL
D
Pr
ohibit
ion of s
et
]