iSMA-B-4I4O-H 4 digital inputs and 4 digital outputs RS485 serial I/O module

iSMA iSMA-B-4I4O-H 4 Digital Inputs And 4 Digital Outputs – RS485 I/O Module

£248.28
Skip to product information
iSMA-B-4I4O-H 4 digital inputs and 4 digital outputs RS485 serial I/O module

iSMA iSMA-B-4I4O-H 4 Digital Inputs And 4 Digital Outputs – RS485 I/O Module

£248.28

The iSMA-B-4I4O-H is a multiprotocol building automation I/O module providing 4 digital inputs and 4 digital outputs. Designed for distributed control, BMS integration and compatible utility metering systems, this RS485 module connects field signals to supervisory controllers using BACnet MS/TP / Modbus RTU/ASCII.

iSMA-B-4I4O-H – Technical Specifications

  • I/O configuration: 4 dry-contact digital inputs and 4 relay digital outputs
  • Communication: BACnet MS/TP / Modbus RTU/ASCII
  • Interface: RS485 serial
  • Power supply: 24 V AC/DC ±20%
  • Mounting: DIN rail
  • Enclosure protection: IP20 (indoor control panel installation)
  • Operating temperature: -10°C to +50°C
  • Manufacturer: iSMA CONTROLLI
  • Model: iSMA-B-4I4O-H

Applications

Suitable for building management systems, distributed I/O expansion, energy management and monitoring of compatible field equipment. Check field-device electrical characteristics and input/output configuration before commissioning.

Installation and Integration

Install within a suitable control enclosure and connect to a compatible 24 V AC/DC supply. Select the correct communication protocol and network settings for your controller. Verify wiring, channel capabilities and protocol compatibility against the current manufacturer documentation before installation.

Manufacturer technical specifications

You may also like