www.a-ts.cn A-TS Technology RT10
25
5
CLK-
Serial clock (When it is the Nikon/ Biss /
Endat encoder)
6
CLK+
11
PE
Shield ground, it is connected to the metal
shield layer of shield wire.
2.2.5 USB debugging port X3 definition
This terminal is the USB3.0A plug, compatible with USB2.0. But
it’s
different from the standard USB3.0 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.
When communicating with upper machine, the serial communication is
used. The communication cable is an optional accessory, and is the
standard USB3.0 cable specially made. Only the 5 /6 / 7 pins need to be
welded as below.
Figure 2-7 USB3.0 A type USB plug (left) and socket (right)
USB3.0 pins as follows
Pin No.
Signal name
Description
1
D5V
USB positive pole (optional)
2
USB_D-
USB data-