12V Modbus RTU 8-Channel Relay Switch RS485 TTL Communication Port at Command Control DIY Electrical Equipment Safety Monitor

Solid State Relays12V Modbus RTU 8-channel relay switch module RS485 TTL communication port AT command control DIY electrical equipment safety monitoring1. Description:It is an 8-channel ModbusRTU relay module, equipped with a mature and stable 8-bit MCU and RS485 level communication chip, and adopts the standard MODBUS RTU format RS485 communication protocol. It can realize 8bit input signal detection and 8bit relay output. Can be used in digital detection or power control situations.2. Features: 1>.Support Modbus RTU protocol2>.Support RS485/TTL serial port interface3>.Multi-mode output indicator light4>.Address can be set5>.Support input reverse connection protection6>.Relay switching output7>.Support parameter memory function8>. Optocoupler isolation3. Parameters: 1>. Product name: 8Bit MODBUS RTU relay module3>. Working voltage: DC 12V3>.Working current: 1A4>.Baud rate: 4800/9600/19600bps (default 9600bps)5>. Optocoupler input signal: DC 12V6>.Set address: 1~2557>.Relay control mode: ON/OFF, Delay_ON, Delay_OFF mode8>.Delay time: 0~25.5s9>. Load: AC 250V 10A or DC 30V 10A10>.Protocol: Modbus RTU11>.Interface: RS485/TTL serial port12>.Control channel: 8 channels13>. ​​Working temperature: -20℃~85℃14>.Working humidity: 10%~85%RH15>.PCB size: 145*78*22mm

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