4 Preparation
−
12
−
4.3 Names and functions of driver
This section covers the names and functions of parts in the driver.
CSD2109-T
,
CSD2112-T
,
CSD2120-T
1
5
2
3
8
7
4
Mounting
holes
6
No. Name
Description
1
I/O and power supply terminal
blocks (TB1)
Connected to I/O signals and a 24 VDC or
36 VDC power supply. (36 VDC is only for
CSD2109-T
,
CSD2112-T
,
CSD2120-T
.)
2
Motor terminal blocks (TB2)
Connected to motor leads.
3
Power supply input indicator
LED (POWER)
Remains lit while current is supplied (green).
Automatic current cutback
function switch (ACD)
This switch enables or disables the automatic
current cutback function.
Factory setting: [ON] (enable)
Step angle switch (F/H)
This switch sets the motor’s step angle (full
step/half step).
Factory setting: [ON] (full step)
Pulse-input mode switch
(1P/2P)
Set to 1-pulse input mode or 2-pulse input
mode according to the pulse output mode of
the positioning controller.
Factory setting: [ON] (1-pulse input mode)
4
Power supply voltage switch
(24/36V)
Set to 24 V or 36 V, according to the driver’s
power supply voltage.
Factory setting: [ON] (24 V)
5
Potentiometer for adjusting the
motor operating current
(RUN VR)
This potentiometer sets the operating current
of the motor. If there is sufficient torque, the
current setting can be reduced to suppress
increases in motor/driver temperatures.
Factory setting: the rated current
