Product Description
Industrial 8-Ch Digital Input & Output Module, DC 7~36V Wide Voltage Power Supply, Modbus RTU Protocol, Multiple Isolation Protection Circuits, Rail-Mount Support.
This is an industrial grade 8DI / 8DO digital isolated input & output module with RS485 control interface. Supports passive / active input, adopts Modbus RTU protocol with built-in protection circuits such as power isolation, magnetical isolation, resettable fuse, and TVS.
- Configurable device address (1~255), multi devices can be cascaded on RS485 bus
- Onboard voltage regulator, supports 7~36V wide range power supply
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference
- Onboard resettable fuse and TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, provides over-current/over-voltage proof, lightningproof & anti-electrostatic
- Supports passive and active digital input, with bi-directional optocoupler isolation, built in debouncing algorithm. Supports DI/DO linkage control or DO toggle control
- The output utilizes Darlington transistors with optocoupler isolation, provides stronger driving capability with up to 500mA sinking current, built in flyback diode protection
- Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the output for a while and then close it automatically
- Rail-mount case design, support stacking combination, easy to install and safer to use
- Multiple LEDs for indicating the input & output status, MCU status and signal transceiving status
Specifications
- Communication interface: RS485
- Baud rate: 4800, 9600, 19200, 38400, 57600, 115200, 128000, 256000
- Default communication format: 9600, N, 8, 1
- Modbus protocol: Standard Modbus RTU protocol
- Power supply: DC 7~36V
- Digital input: 8DI, 5~36V, passive / active input (NPN or PNP), built-in bi-directional optocoupler isolation
- Digital output: 8DO, 5~36V, open-drain output, output load: 500mA per channel (MAX)
Primary function
- Supports reading digital input by sending Modbus RTU protocol commands via RS485 for digital output control
Industrial Grade Isolated Protection
- Onboard power and signal dual isolation for RS485 communication, provides stable isolation voltage, features high reliability and strong anti-interference performance. Built-in TVS (transient voltage suppression tube) can effectively suppress the surge voltage and transient peak voltage in the circuit, lightningproof & ESD protection. Built-in resettable fuse and protection diode to ensure stable current and voltage output, provides over-current and over-voltage proof, improves shock-proof performance, suitable for industrial environments with high requirement.
Full Isolation for Digital Input & Output
- Supports passive and active digital input (PNP type or NPN type), with bi-directional optocoupler isolation. Adopts Darlington transistor open-drain output, up to 500mA sinking current per channel for directly driving relays
Multiple modes for various automation scenarios
- Supports multiple Output control modes, each channel supports independent control mode setting
Wide voltage power supply, isolated RS485 interface
- Built-in fuse and anti-reverse protection, With Power and Signal Dual Isolation
Rail-Mount Support
- Supports 35mm standard guide rail, with rail-mount buckle, easy to install
- Supports stacking installation
Wiki:www.waveshare.com/wiki/Modbus_RTU_IO_8CH
Lieferumfang
The power supply of this product is not included, it is recommended to purchase 12V power supply.
- Modbus RTU IO 8CH x1
- Power supply terminal adapter x1
- Screwdriver x1
