8 channel A type NC relay 8DO output Module RS485 MODBUS RTU SD01

8 channel A type NC relay 8DO output Module RS485 MODBUS RTU SD01 Description: Modulenya is a 8 channel relay switch output module, which is used in the signal control of industrial device. Support 8 channel A type normal open relay output, the relay capacity is 3A @250VAC/30VDC. RS-485 communication interface, support the MODBUS RTU protocol, can connect configuration software, PLC, DCS industrial control touch screen. Feature: Switching Output 1. output channel: 8 channel A type relay output 2. Load voltage: 0~250VAC or 0~30VDC 3. Load current: 3A Communication interface 1. Communication protocol: MODBUS-RTU 2. Interface type: RS-485 interface 3. Interface protection: 15KV ESD protection, 1500V isolation protection 4. Baud rate: 1200/2400/4800/9600/19200/38400/57600/115200 5. Parity：None, even, odd 6. Default: 9600, N, 8, 1 (modifiable) System parameter 1. Module size: 104mm x 72mm x 26mm 2. Installation: 35mm din rail installation 3. Environment: temperature: -20~70℃ humidity: 0-95%, not condensing 4. Power supply: DC9~30V is less than 3W LED indicator definition 1. POWER: power status indication, #34;bright #34; power supply is normal 2. COMM: RS-485 communication indication, that #34;flash #34; is sending and receiving data 3. RO0~RO7: relay action indication, #34;bright #34; relay is closed Using the default communication parameters When you forget module communication (ID, baud rate, parity bit), the INIT and VS- pins are short circuited, module electrifying, The communication parameters of the module are (9600, N, 8, 1), ID is 1.INIT and VS- pin is disconnected, module using parameters set by the user, default parameters for the module (9600, N, 8, 1), ID is 1.