Leadshine Technology EM2RS Series - CN3-I;O Signals Connector; CN4-RS485 Communication Connector

EM2RS Modbus RS485 Stepper Drive User Manual
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 EM2RS-A882
Name
Pic
PIN
Signal
Description
CN1&
CN2
1
A+
Motor phase A+
2
B+
Motor phase B+
3
A-
Motor phase A-
4
B-
Motor phase B-
5
AC
18-80VAC or 24-100VDC;
No polarity
6
AC
Note: When the user uses an AC transformer to supply power, be sure to use an isolation transformer to prevent electric shock
or burn out the computer
3.3.3 CN3-I/O Signals Connector
Name
Pic
PIN
Signal
I/O
Description
CN3
1
DI1
I
Configurable Single-ended Digital
Inputs DI1-DI7, 12V - 24V.
DI1 is enabling signal default, DI2-
DI7 are GPIOs.
2
DI2
I
3
DI3
I
4
DI4
I
5
DI5
I
6
DI6
I
7
DI7
I
8
COMI
I
9
DO1
O
Configurable Single-ended Outputs
Signals DO1-DO3 (common-cathode
or common-anode),
Max. 24V/100mA, GPIOs.
10
DO2
O
11
DO3
O
12
COMO
O
Note:(1) DI or DO is shown as SI or SO in Leadshine MotionStudio.
(2) DI1 is normally closed, default by Enable signal. It means the motor is locked shaft after the driver powered on.
(3) When using Brake output signals, you need to connect a relay and a diode.
3.3.4 CN4-RS485 Communication Connector
Name
Pic
PIN
Signal
Description
CN4
1
RS485+
RS485 TxD+
9
RS485 RxD+
2
RS485-
RS485 TxD-