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HAT530P/HAT530PC Series ATS Controller User Manual Page 14 of 18
8.2
RS485 CONNECTION
The connection between RS485 and adaptor is shown below:
Fig. 3 – RS485 Connection Diagram
9
ATS POWER SUPPLY
The controller has built-in ATS power supply automatic switching function. If the voltage between
S1and S2 is normal, this can ensure ATS power supply normally by transferring between N/O contact
output and N/C contact output of the intermediate relay 1/2.
The output is LO and NO, the output value is LN voltage of S1 or LN voltage of S2. The internal wiring
connection is shown as below:
Fig. 4 – The Internal Wiring Diagram of LO and NO Power Supply