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iSMA-B-4O-H-IP - 4 relay outputs
  • iSMA-B-4O-H-IP - 4 relay outputs

iSMA-B-4O-H-IP - 4 relay outputs

cena netto
  • 4 relay outputs
  • Communication: BACnet IP, Modbus TCP/IP
  • Manual Override Switches

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iSMA-B-MINI-IP - Datasheet

 iSMA-B-MINI-IP - Karta katalogowa

 Multiprotocol I/O Modules Bacnet - Manual

 Multiprotocol I/O Modules Modbus - Manual

Bacnet.png Modbus.png

Multiprotocol I/O Module in a Compact Size with High Power Relays

Powerful I/O module that works as a remote I/O over IP with open protocols, BACnet IP and Modbus TCP/IP. A compact size and ease of installation allow the module to be fitted even into limited space installations. The module is equipped with 8 A relay outputs.

4 Relay Outputs

Digital outputs equipped with NC/NO 8 A relays allow for a direct control of high power loads.

Manual Override Switches

Each output can be manually overridden using a dedicated hand-operating switch.

Modbus TCP/IP to Modbus RTU/ASCII Gateway

Built-in Modbus gateway on the COM1 port enables integration of up to 128 Modbus slave devices to the IP layer.

Simplified Configuration and Commissioning Process

The module allows for seamless configuration over BACnet, Modbus, built-in web server, or dedicated free of charge tool. The ability to be powered from a USB port facilitates local testing and a straightforward updating process.

Quality and Reliability Confirmed by Certificates

iSMA CONTROLLI is a long-standing member of the BACnet community. The experience in developing high quality products and the BTL (BACnet Test Laboratory) certification confirms the excellent performance of communication using the BACnet protocol.



  • Ethernet interface
  • RS485 interface
  • miniUSB type B interface
  • Status LED indicator
  • DIN rail mounted
  • 4 relay outputs


  • 4 relay outputs
  • NO relay outputs
  • Resistive load max. 8 A @ 230 V AC / 30 V DC
  • Inductive load max. 360 VA @ 230 V AC / 90 W @ 30 V DC


  • BACnet IP
  • Modbus TCP/IP
  • Modbus TCP/IP to Modbus RTU/ASCII Gateway
  • Free software iSMA Configurator
  • Built-in web server
  • Dedicated Niagara Framework modules


  • 24 V DC ± 20%
  • 24 V AC ± 20%

Product Details


Specific References

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