HNC Electric HSD7-E Series - Servo Motor Connection; Encoder Connection

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4.4 Servo motor connection
4.4.1 Terminal symbol and terminal name
Servo drive terminals and connectors required for connection between servo drive and servo motor are as
follows.
Terminal/connector
symbol
Terminal/connector name
U, V, W
Servo motor power supply connection
terminal
Ground terminal
CN2
Servo motor encoder connector
4.4.2 Pin Arrangement of Connector (CN2) for Encoder
Terminal pin
number
Signal name
Function
1
PG5V
Encoder Power +5V
2
PG0V
Encoder Power 0V
3
E+
*
Battery (+) for absolute value encoder
4
E-
*
Battery for absolute value encoder (-)
5
SD+
Encoder serial data (+)
6
SD-
Encoder serial data (-)
Housing
Shielded
——
* Incremental encoders do not require wiring.
4.4.3 Connection of Servo Drive and Encoder
Absolute value encoder
When using absolute value encoder, please install battery on encoder cable with battery unit.
• Example of Wiring Using Encoder Cable with Battery Unit
Battery 3.6V
Absolute position
Connector housing (PE)
Shielded wire
The number of connector pins varies depending on the servo motor used.
Indicates a multi-stranded shielded wire.
A Phase
Servo driver
Command Controller (Client)
A Phase
B Phase
B Phase
C Phase
C Phase
Bus receiver
Choke
R (termination resistance): 220–470Ω
C (decoupling capacitor): 0.1μF