Wittelb WIN-IO-4DDAI-NTCM RS485 Modbus I/O Module
Wittelb WIN-IO-4DDAI-NTCM RS485 Modbus I/O Module - Image 2
Wittelb WIN-IO-4DDAI-NTCM RS485 Modbus I/O Module - Image 3
SKU: IOWC-1498
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Wittelb WIN-IO-4DDAI-NTCM RS485 Modbus I/O Module

₹7,211.00 (Inclusive of all taxes)
Out of Stock

The Wittelb WIN-IO-4DDAI-NTCM is a DIN-rail mountable industrial I/O module featuring 4 digital inputs, 4 digital outputs, and 4 analog inputs with 10-bit resolution, communicating via a robust Modbus RTU RS485 interface for reliable data acquisition and control up to 700 meters.

Features

  • Comprehensive I/O Interface: Provides 4 digital inputs, 4 digital outputs, and 4 analog inputs (0-10V/4-20mA/NTC) with 10-bit resolution for versatile sensor and actuator integration.
  • Long-Range Industrial Communication: Utilizes an RS485 interface supporting Modbus RTU protocol for reliable data transmission over distances up to 700 meters without repeaters.
  • Robust Industrial Design: Housed in a durable, DIN-rail mountable casing with exposed 5.08mm pitch connectors, LED indicators, and wide 12-24VDC power input range.
  • Easy Configuration & Protection: Features internal DIP switches for setting Slave ID and baud rate, alongside resettable fuses for reverse polarity protection on power and communication lines.

Out of stock

Description

The Wittelb WIN-IO-4DDAI-NTCM is a dedicated industrial I/O module engineered for reliable data acquisition and control in automation and monitoring systems. It consolidates digital and analog signal conditioning with a long-range communication backbone, simplifying wiring and integration in distributed setups.

Its core is the RS485 serial interface, which implements the Modbus RTU protocol, enabling stable multi-drop network communication over extended cable runs up to 700 meters. The module is designed for harsh environments, featuring a compact, DIN-rail mountable form factor, wide operating temperature range, and protective measures like resettable fuses to safeguard against installation errors.

Key Features

  • Integrated 12-channel I/O with isolated signal conditioning for digital and analog sensors.
  • Modbus RTU over RS485 protocol ensures compatibility with PLCs, SCADA systems, and IoT gateways.
  • Long-distance communication capability reduces infrastructure cost by minimizing repeater needs.
  • DIN-rail mounting and screw terminal blocks (5.08mm pitch) facilitate quick installation in control cabinets.
  • LED status indicators provide immediate visual feedback on power, communication, and I/O activity.
  • Internal DIP switches allow for tool-free configuration of network address (Slave ID) and baud rate.
  • Built-in resettable fuses offer protection against reverse polarity on both power and RS485 lines.
  • Wide 12-24 VDC power input range accommodates standard industrial power supplies.

Applications

  • Industrial Automation & Process Control: Monitoring sensors and controlling actuators on factory floors.
  • Building Management Systems (BMS): Integrating temperature, pressure, and status signals from HVAC equipment.
  • Remote Telemetry & IIoT: Collecting analog sensor data (e.g., tank levels, pressure) from distributed field sites.
  • Energy Management: Monitoring power consumption, solar inverter outputs, or generator parameters.

Technical Specifications

Interface ProtocolModbus RTU over RS485
Digital Inputs4 Channels
Digital Outputs4 Channels
Analog Inputs4 Channels (0-10VDC / 4-20mA / NTC)
Analog Resolution10-bit
Communication RangeUp to 700m (dependent on master)
Supply Voltage12-24 VDC
Power Connector2-pin 5.08mm pitch
I/O Connector12-pin 5.08mm pitch
Operating Temperature0°C to +60°C
Dimensions (LxWxH)110 x 110 x (Est.) 60 mm

Frequently Asked Questions

How do I configure the Modbus Slave ID and baud rate on this module?

The Slave ID (address) and communication baud rate are configured using the DIP switches located inside the module's enclosure. You must open the case to access them. Refer to the product datasheet for the specific switch combinations corresponding to your desired address (1-247) and baud rate (e.g., 9600, 19200 bps). Ensure power is disconnected before opening.

What types of analog signals can the 4 analog input channels accept?

The four analog input channels are designed to accept standard industrial signals: 0-10 VDC voltage, 4-20 mA current loop, and NTC thermistor inputs (Type 3). The module provides 10-bit resolution for digitization. You must configure the wiring and ensure the signal source matches the selected input type, typically set via jumper or hardware configuration on the terminal block.

What is the maximum reliable communication distance for the RS485 network?

The module supports RS485 communication up to 700 meters (approx. 2300 feet) without requiring signal repeaters, as per the specification. However, this maximum range is dependent on the signal strength of the Modbus master device, cable quality (twisted pair with shield), baud rate (lower baud rates increase range), and electrical noise in the environment. For best results, use proper termination resistors at both ends of the bus.

How do I wire the power supply and what are the voltage requirements?

Power is supplied via the 2-pin 5.08mm pitch terminal block. The module accepts a wide range of 12-24 VDC. Connect the positive supply to the terminal marked '+V' or '24V+' and the negative/ground to 'GND' or '0V'. The module includes resettable fuses for reverse polarity protection, but correct wiring is essential. Ensure your power source can provide sufficient current for the module and any connected outputs.

Package Includes

  • 1 x WIN-IO-4DDAI-NTCM RS485 Modbus I/O Module

Additional Information

Weight 0.238 kg
Dimensions 11 × 11 × 6 cm

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