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Our IO module options allow for seamless expansion of your BMS over a range of protocols, such as BACnet and Modbus. Allowing you to take control of more building systems and further improve operating efficiency. Get in touch with our fantastic team

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metz connect bmt ao4

Metz Connect BMT-AO4

The Metz Connect BMT-AO4 BACnet MS/TP IO module with 4 analog outputs was developed for decentralized switching tasks.

It is suitable as encoder for control variables, for example for electrical vent and mixing valves, valve positions, etc. The outputs can be output by means of standard objects via a BACnet client.

Protocols: BACnet MSTP

Product Description

The BMT-AO4 IO module is addressed and the baud rate is set by means of two address switches on the front. Suitable for decentralized mounting on DIN TH35 rail according to IEC 60715 in electrical distribution cabinets.


00 to F9

RS485 (two-wire bus)

9600 to 115200 bit/s

100 %

4 x analog

0 V to 10 V DC

5 mA at 10 V DC

0.3125 mV/digit

Green and red LED

35 x 69.3 x 60 mm

72 g
-5 °C to 55 °C

-20 °C to 70 °C

IP40 / IP20

24 V AC/DC +/- 10 % (SELV)

50 mA (AC) / 20 mA (DC)
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