Product specifications

Chapter 2 I/O ports
HA-680_V04 - 25 -
(I/O signal functions for position control)
CN2-21 Phase-A +(LD): A+ (output)
CN2-22 Phase-A -(LD): A- (output)
CN2-23 Phase-B +(LD): B+ (output)
CN2-24 Phase-B -(LD): B- (output)
CN2-25 Phase-Z+(LD): Z+ (output)
CN2-26 Phase-Z -(LD): Z- (output)
Function
These ports transmit encoder signals of
Phase-A, -B, -Z through the line driver
(26LS31).
Connection
Receive the signals using a line receiver
(AM26LS32 or equivalent).
Note: Use EIA-422A standard for line receiver.
Phase-A+
Phase-A-
Phase-B+
Phase-Z+
Phase-B-
Phase-Z-
26LS31
44
45
48
49
46
47
25
Monitor ground