
Shenzhen Hpmont Technology Co., Ltd.
Chapter 4 Electrical Installation
HD09 Series User Manual V1.1
-17-
4.4
External Keypad or Upper Computer
The RJ45 terminal can connect the optional keypad or upper computer, as shown in the following
figure.
RJ45
Pin
Definition
1, 3
+5V
2
485+
4, 5, 6
GND
7
485-
8
Unused
Keypad
Can connect the optional keypad to realize keypad control
•
Refer to section 6.1 Keypad, page 23
Upper Computer
Can connect the upper computer to realize communication control
•
The upper computer includes PLC, touch screen, PC, etc.
Connection Cable
•
1m conncection cable [HD-CAB-1M]
•
2m conncection cable [HD-CAB-2M]
•
3m conncection cable [HD-CAB-3M]
•
6m conncection cable [HD-CAB-6M]
RJ45
Connection
cable
Keypad or
upper computer
RJ45
1
8