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Building automation

I/O, BACnet and Modbus gateways and dedicated modules for HVAC, lighting, access control and technical monitoring.

Building automation
Photo: Arvydas Venckus · CC0 · Wikimedia Commons

Building automation connects HVAC, lighting, access control, alarms and metering to a building management system (BMS) or SCADA. ICP DAS products are typically used where signals have to be collected from many points in a building, or where devices with different protocols need to exchange data.

Typical tasks

  • Reading temperatures, alarms and status contacts from plant rooms, risers and technical rooms
  • Switching pumps, fans, dampers and lighting circuits
  • Connecting Modbus devices to a BACnet-based BMS, or older serial equipment to Ethernet
  • Monitoring leaks, door contacts and indoor climate in server rooms and technical rooms
  • Lighting control with load current feedback, and DALI integration

I/O for distributed signals

RS-485 modules such as the M-7000 series collect signals over long cable runs on a single twisted pair using Modbus RTU. Where the building has a structured Ethernet network, Ethernet I/O such as the ET-7000 and ET-2200 series connects directly over Modbus TCP and is configured from a web browser. PoE models take power and data over one cable, which simplifies installation in ceilings and small cabinets without a local 24 V supply. Wireless I/O with ZigBee or Wi-Fi covers points where new cabling is impractical.

Gateways between building protocols

Building systems mix protocols. ICP DAS gateways make Modbus RTU and Modbus TCP devices available as BACnet/IP objects, connect Modbus TCP systems to BACnet MS/TP networks, and include a gateway for DALI lighting. BACnet/IP I/O modules connect signals directly to a BACnet BMS without a gateway. Serial device servers make older RS-232 and RS-485 equipment reachable over the network without replacing it.

Dedicated building modules

The building and home automation range adds modules for specific jobs: lighting control modules with relay outputs and load current measurement, card readers for access control, alert modules with recorded voice messages, sirens and fan coil control. They use standard interfaces such as RS-485 and Ethernet, so the BMS integrates them like any other Modbus device.

Operator panels and displays

TouchPAD panels provide local control and status screens for rooms and plant, and iKAN LED message displays show alarms or status text in technical areas.

Example: technical rooms on a BACnet BMS

In a building with a BACnet/IP BMS, each technical room gets M-7000 modules that read Pt100 sensors, door contacts and leak alarms over RS-485. One BACnet/IP to Modbus RTU gateway per RS-485 segment publishes the values as BACnet objects, so the BMS reads them like any other BACnet device and no custom driver is required.

What to check before you choose

  • Which protocol the BMS expects (BACnet, Modbus TCP or Modbus RTU) and whether a gateway is needed
  • Cabling: existing RS-485 runs, structured Ethernet, PoE or wireless
  • Signal types, especially sensor inputs such as RTD (Pt100, Pt1000), thermistor and 0–10 V
  • Mounting in DIN-rail distribution boards or small enclosures, and the available supply voltage

Send us the I/O list or a description of the installation, and we will suggest suitable modules and gateways.

Products for this application

PET-7017-10 CR
PET-7017-10 CR PET-7017-10 PoE Ethernet I/O Module, 10/20-ch Analog Input

The PET-7017-10 is a PoE-powered Ethernet analog input module for engineers who need voltage or current measurement on a networked I/O node. Its inputs can be set as 10 differential or 20 single-ended channels in software, and each channel can be given its own range, so one module can serve mixed sensor types on the same network.Each channel offers a choice of voltage ranges from ±150 mV to ±10 V and current ranges of ±20 mA, 0 ~ 20 mA and 4 ~ 20 mA, selected with jumpers. Resolution is 16-bit, and the module has two sampling modes: normal mode at 10 Hz total and fast mode at 50 Hz total. Open wire detection is available for 4 ~ 20 mA inputs, and differential channels are rated for 240 Vrms overvoltage protection.Configuration and monitoring are handled through a built-in web server with Web HMI, and the module supports Modbus TCP and Modbus UDP. Access is controlled by ID, password and IP filter. The unit is powered either from PoE (IEEE 802.3af, Class 1) or from a +12 ~ +48 VDC terminal block, and it mounts on a DIN rail.ApplicationsBuilding automationFactory automationMachine automationRemote maintenanceRemote diagnosisTesting equipment

Tavahind: 286,00 € per piece · volume discount from 10 pcs
ACS-10V-MF CR
ACS-10V-MF CR ACS-10V-MF RFID Access Control Card Reader with Voice, Ethernet and RS-485

The ACS-10V-MF CR is an RFID proximity card reader for access control, combining door access, voice guidance and elevator floor control in one unit. It reads Mifare Classic, Ultralight and DESFire cards and can store up to 8192 cards, making it suited to community door access and elevator control.The reader includes electric door lock control and door position detection, plus an anti-sabotage micro switch. It keeps access records and provides a built-in RTC and WDT. Elevator floor control supports up to 16 floors.Connectivity covers a 10/100Base-T(X) Ethernet port, an RS-485 port and CAN (ISO-11898-2). Four digital inputs and two Form C relay outputs support door and system integration. The unit is wall mounted and rated for -20 ~ +60 °C operation.ApplicationsCommunity door access controlElevator access and floor controlAccess control systems requiring door position monitoring

Tavahind: 158,00 € per piece · volume discount from 10 pcs
ACS-10V-MF-TC CR
ACS-10V-MF-TC CR ACS-10V-MF-TC RFID Access Control Card Reader, Ethernet/RS-485/CAN

The ACS-10V-MF-TC is an RFID proximity card reader for access control systems. It reads ISO 14443 A cards, including Mifare Classic, Ultralight and DESFire, and combines door access control, voice guidance and elevator floor control in one unit.This -TC ordering code is the Chinese voice version of the reader. The built-in voice message function gives users audible feedback at the door. The unit has an Ethernet port, an RS-485 port and a CAN bus interface, so it can be integrated into different access control architectures.Door security is handled by an electric door lock output, door position detection and an anti-sabotage micro switch. Access records are kept on the device, and it can store up to 8192 cards. It is suited to community door access and elevator control installations.ApplicationsCommunity door access controlElevator floor controlAccess control systems

Tavahind: 158,00 € per piece · volume discount from 10 pcs
ACS-10VP-MF CR
ACS-10VP-MF CR ACS-10VP-MF RFID Proximity Card Reader with Voice, Ethernet PoE and RS-485

The ACS-10VP-MF is a wall-mounted RFID proximity card reader for access control. It reads Mifare Classic, Ultralight and DESFire cards and combines door access, voice guidance and elevator floor control in one unit. This ordering code is the English voice version.Its Ethernet port supports Power over Ethernet (IEEE 802.3af, Class 1), so the reader can be powered from the same cable as its network connection. An RS-485 port is also provided for serial communication. Two digital inputs and two Form C relay outputs allow the reader to handle door lock control and door position detection, and a micro switch provides anti-sabotage detection.Stores up to 8192 cards and provides access records.Supports elevator floor control for up to 32 floors.Built-in RTC and WDT for timekeeping and watchdog protection.ApplicationsCommunity door accessElevator controlAccess control systems

Tavahind: 176,00 € per piece · volume discount from 10 pcs

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