3.2 CN4 Wiring Instruction
Power supply and signal cables should be twin-twisted and then be
connected according to Fig. 4, details:
Pin 9 and 4 cable should be twin-twisted
Pin 1 and 6 cable should be twin-twisted
Pin 2 and 7 cable should be twin-twisted
Pin 3 and 8 cable should be twin-twisted
The shielded layer of entire cable shall be reliably connected to
metal shell of DB plug
CN4 pin definitions are shown in below table and layout shown in
Fig. 4
CN4 Pin
Signal definition
Function
9
VPG
（
+5V
）
PG16 encoder
2 differential
signal input
4
GND
（
0V
）
1
A2+
6
A2-
2
B2+
7
B2-
3
Z2+
8
Z2-
5
NC
NC
Fig. 4 Pins of CN4
