Yaskawa Sigma Mini - Manual (Page 62)

APPLICATIONS
2.2.3 Encoder Output cont.
— 2-18 —
Speed/Torque Control
The output circuit is for line driver output. Connect each signal line according to the following
circuit diagram.
Servopack
Line receiver
Host controller
PAO
/PAO
R 2
CN1-14
Phase
A
3
1 CN1-15
PBO
/PBO
R 6
CN1-16
Phase
B
5
7 CN1-17
PCO
/PCO
R 10 CN1-18
Phase
C
11
9 CN1-19
Choke
coil
8 C
OV
16
+5V
+
−
Smoothing
capacitor
0V
+5V
CN1-13
CN1-20 OV
Phase B
Phase A
Phase C
: Twisted-pair cable
Line receiver used: SN75175 manufactured by Texas
Instruments Inc. or MC3486 (or
equivalent)
R (termination resistor): 220 to 470 Ω
C (decoupling capacitor): 0.1 µF
I/O signals are described below.
Output → PAO CN1-14 Encoder Output
Phase A
For Speed/Torque Control
Output →
/
PAO CN1-15
Encoder Output
Phase A
For Speed/Torque Control
Output → PBO CN1-16 Encoder Output
Phase B
For Speed/Torque Control
Output →
/
PBO CN1-17
Encoder Output
Phase B
For Speed/Torque Control
Output → PCO CN1-18
Encoder Output
Phase C
For Speed/Torque Control
Output → /PCO CN1-19 Encoder Output
Phase C
For Speed/Torque Control
2