Examples Of Encoder Connection; Connection Example Of An Encoder - YASKAWA SGMJV User Manual

3 Wiring and Connection

3.5.1 Connection Example of an Encoder

3.5

Examples of Encoder Connection

This section describes the connection example of output signals between encoder, SERVOPACK and host
controller.
CN2 encoder connector terminal layout is also described.

3.5.1 Connection Example of an Encoder

The following diagram shows the example of connecting encoder.
(1) Incremental Encoder
Incremental
encoder
ENC
∗1. The pin numbers for the connector wiring differ depending on the servomotors.
∗2.
∗3. Applicable line receiver: SN75ALS175 manufactured by Texas Instruments or MC3486, or the equivalent.
3-36
∗2
∗1
Light blue
PS
/PS
White/
light blue
PG5V
Red
Black
PG0V
Connector shell
(Shell) Shield wire
: represents twisted-pair wires.
SERVOPACK
CN1
Phase A
33 PAO
34 /PAO
Phase B
35 PBO
/PBO
36
CN2
Phase C
PCO
5 19
20
/PCO
6
Output line-driver SN75ALS174
or the equivalent.
1
2
CN1
SG
1
0V
Connector
shell
Host controller
∗2
∗3
Line receiver
2 3
R 1
PhaseA
6 5
R
7 PhaseB
10
11
R 9
PhaseC
8 16
C
0V +5V
Choke
coil
+
-
Smoothing
capacitor
R (terminal resistance): 220 to 470Ω
C (Decoupling Capacitor) 0.1 μF
+5V
0V