Key-Disp KD51C - Quality Assurance and Connectivity; Quality Assurance and Warranty Scope; Wire Connection Layout

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Quality assurance and warranty scope:
I. Warranty:
1) The warranty will be valid only for products used in normal usage and conditions.
2) The warranty is valid for 24 months after the shipment or delivery to the customer.
II. Others
The following cases do not belong to warranty scope:
1) The display is demolished.
2) The damage of the display is caused by wrong installation or operation.
3) The shell of the display is broken after the display is out of the factory.
4) The cable of the display is broken.
5) Beyond warranty period.
6) The fault or damage of the display is caused by the force majeure (e.g., fire,
earthquake, etc.).
Wire connection layout
Connector wire sequence
Connector to controller display connector mating connector to display
Wire sequence table
Wire sequence
Color
Function
1
Red(VCC)
+
2
Blue(K)
Lock
3
Black(GND)
-
4
Green(RX)
RX
5
Yellow(TX)
TX
■Some displays have wire connection with water-proof connectors, users can
not see the color of lead wires in the harness.