www.a-ts.cn A-TS Technology RT20
29
7
A+
Encoder phase A signal input
8
A-
9
B+
Encoder phase B signal input
10
B-
19
Z+
Encoder phase Z signal input
20
Z-
11
PE
Shield ground
ABZ incremental encoder signal reference circuit
RT20 servo
drive
ABZ
incremental
encoder
AM26LS31
A+ B+ Z+
AM26C32
GND
GND
R
A- B- Z-
PE
VDD
VDD
Figure 3-11 the ABZ incremental encoder input signal interface circuit
3.2.5 USB debugging port CN1 definition
This port is mainly used for the upper machine software communication
debugging, and MCU firmware updating.
Doing the MCU firmware updating, it uses the USB communication, by
the standard USB2.0 cable.