Encoder Connection; Encoder Signal (Cn2) Names And Functions; Encoder Connection Examples - YASKAWA SGDV User Manual

3.5

Encoder Connection

This section describes the encoder signal (CN2) names, functions, and connection examples.

3.5.1 Encoder Signal (CN2) Names and Functions

The following table shows the names and functions of encoder signals (CN2).
Signal Name
PG 5 V
PG 0 V
(BAT (+))*
(BAT (-))*
PS
/PS
Shield
∗
It is not necessary to connect these pins to the SERVOPACK.

3.5.2 Encoder Connection Examples

The following diagrams show connection examples of the encoder, the SERVOPACK, and the host controller.
(1) Using as an Incremental Encoder
Incremental encoder
ENC
(Shell)
Shielded wire
∗
: represents shielded twisted-pair wires.
Pin No.
1
2
3
4
5
6
Shell
SERVOPACK
CN1
Phase A
Phase B
∗
CN2
Phase C
5
PS
6
/PS
Output line-driver SN75ALS174
or the equivalent
1
PG5V
2
PG0V
0 V
Connector shell
Connector
shell
Function
Encoder power supply +5 V
Encoder power supply 0 V
Battery (+)
Battery (-)
Serial data (+)
Serial data (-)
–
Host controller
∗
19 PA O
20 /PAO
R
21 PBO
22 /PBO R
PCO
23
24 R
/PCO
13 SG
Applicable line receiver: SN75ALS175 or MC3486
R (terminating resistance): 220 to 470 Ω

3.5 Encoder Connection

Analog
Phase A
Phase B
Phase C
0 V
manufactured by Texas
Instruments, or the
equivalent
3
3-25