RS485 16-Ch Relay ModuleModbus RTU Protocol, Multi Isolation Protection Circuits, Safe & Stable & Reliable Features At A GlanceThis product is an industrial 16-ch relay module controlled via RS485 bus, adopts Modbus RTU protocol, built-in protection circuits such as power supply isolation, magnetical isolation, resettable fuse, and TVS diode, etc. It also comes with an ABS case.The Modbus RTU 16-Ch Relay is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements.Configurable device address (1~255), multi devices can be cascaded on RS485 busFeatures flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automaticallyOnboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminalOnboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumptionOnboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostaticOnboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuitOnboard dedicated relay driver chip, with built-in freewheeling diode protection, the driving ability is stronger and more stableReverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connectionHigh quality relay, contact rating: ≤10A 250VAC/30VDCRail-mounted ABS case, easy to install, safe to use3 LEDs for indicating the MCU status and signal transceiving statusSpecificationsOPERATING VOLTAGE5VCOMMUNICATION INTERFACERS485BAUDRATE4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000DEFAULT COMMUNICATION FORMAT9600, N, 8, 1RELAY CHANNELS16CONTACT FO