Chapter 4 Wiring and Introduction
EMSD5 AC Servo Manual
30
Signal Name
Pin No.
Function
Encoder Power Supply
5V
5
Use 5V power supply (Provided by servo
driver). If the cable is longer than 20m, in
order to prevent encoder from voltage
dropping down, it is better to use multi wires
or thick wires for power line and ground line.
0V
6
Absolute encoder
communication positive
end
SD+
1
Absolute encoder communication positive end
Absolute encoder
communication negative
end
SD-
2
Absolute encoder communication negative end
Null
NC
3
Reserve
Null
NC
4
Reserve
Shielded layer
Metal cover
Connect to the shielded layer of the encoder cable
4.6 CN3 And CN4 Terminal Definition
4.6.1 Communication Terminal Wiring Diagram
Fig.4-12 Communication Terminal Wiring
4.6.2 Communication port definition
Through the CN3 and CN4 ports on the drive, the communication can be established between the
drive and PC
、
PLC and other drives. The CN3 and CN4 pins are defined as follows:
