Dry Contact Connection - Delta C1000 Operation And Installation Manual

Inverter 1
SW ON
SW OFF

4.8.2 Dry Contact Connection

Provide 2 set of Dry Contact function for gird and fault respectively. When
inverter is on grid, COM & NO2 will be shorted. When the Hardware Fail is
detected, COM & NO1 will be shorted. This might be programmable according
to the request of customer.
Inverter 2
Figure 4-18 : Multi-inverter Connection Illustration
Baud rate
Data bit
Stop bit
Parity
Table 4-2 : RS-485 Data Format
ON
1 2
Table 4-3 : Terminal Resister Setting
FAULT
Figure 4-19 : Dry Contact Port & Assignments
9600/19200(default)/38400
8
1
N/A
SW
Terminal
Resistor
OFF
ON
45
Inverter n
RS485/USB
RS485/RS232
1 2
OFF OFF
ON OFF
OFF ON
ON ON
COM Pin
ON GRID
Installation
PC
or