Hardware
installation manual of the multi-axis drive MX3660
Leadshine Technology Co., Ltd
Leadshine America, Inc.
Page 16/25
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14.
Optional Connections for Inputs/Outputs
The MX3660 3-axis stepper drive is equipped with 4 built-in digital inputs, 4 digital outputs, and one 0-10 V analog
output. Those connections are totally optional and not required to make the MX3660 work.
14.1.
Connecting the Digital Inputs
The digital input connections are optional
.
The 4 general digital inputs are located at the Digital Input Connector
(Figure 3) of the MX3660. They are named as
Input 1
,
Input 2, Input 3,
and
Input 4.
They can be used for any
purpose such as connecting limit/home switches. Connect one end of your device wire to the “Input X” (X can
be 1, 2, 3, or 4) pin, and the other wire to “GND” pin next to the input pin (for one wire device, short it to GND).
On Figure 14, it shows how to connect a home/limit switch to digital input “
Input 1
”.
Figure 14
Home / limit switch connections of the MX3660
14.2.
Connecting the Digital Outputs
The digital Output Connections are optional
.
The 4 general digital outputs are located at the Digital Output
Connector (Figure 3) of the MX3660, named as
Output 1
,
Output 2, Output 3,
and
Output 4.
They can be used
for any purpose such as a DC relay for coolant in a CNC router. They are connected to Pin 17, 1, 8, and 9 of the
DB25 connector respectively. They can be used for other purpose such as a DC relay for coolant in a CNC router.
Connect one end of the load to “Output X+” (X can be 1, 2, 3, or 4) pin and the other end to the VDC+ of a
5-24VDC power source. Then, connect the related “Output X-” pin of the MX3660 to the power supply VDC-.
Those digital outputs are rated at max 70mA. Refer to figure 16 of “MX3660 Connection Diagram”.
!
Warning
When the input voltage of the main power supply is higher than 24 VDC, you can NOT
use it to supply power to the 4 digital outputs, and another power source or 5-24
power supply has to be used.
14.3.
Connecting the Analog Output
The analog output connection is optional.
The MX3660 3-axis stepper drive also comes with an opto-isolated
analog output (Figure 3) to allow control of an external device with analog input command, such as a VFD for
spindle control. Supply voltage for the analog device is 5-15 VDC, and the output voltage signal is 0 to
(Analog
Supply Voltage minus 1.1 VDC).
On Figure 15, it shows how to connect a VFD to the opto-isolated analog output. Connect the VFD 10 VDC power
wire to “+10 VDC” pin, “Input” wire to “0-10V”, and GND wire to “GND”, and
Input 1+
GND
MX3660
Home Switch
Normal open
