5-19
•
Output Circuit and Receiving Circuit
CN1-
20
21
23
22
24
25
19
36
0 V
FG
+A
–A
+B
–B
+Z
–Z
EGND
FG
+A
–A
+B
–B
+Z
–Z
GND
R
R
R
2
1
6
7
10
9
0 V
FG
16
3
4
5
8
12
11
+5 V
Servo Driver
A-phase
B-phase
Z-phase
Output line driver
SN75ALS 174NS
or equivalent
Controller on User’s Side
0 V
Applicable line receiver
TI-SN75175/MC3486/AM26LS32
R = 220 to 470
Ω
A-phase
B-phase
Z-phase
R = 220 to 470
Ω
Specifications
Chapter 5
