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BMT-AOP2 BACnet MS/TP

948822
948823
910158
948824
Description

The BACnet MS/TP module with 2 analog voltage 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 or electronic ballasts for lighting and other applications. The outputs can be output by means of standard objects via a BACnet client. Each output can be set for automatic or manual operation by means of 2 potentiometers at the front. In addition, the operating mode can be set via software (output voltage 0-10 V or 0-12 V). The 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.

  • Connection with screw type terminal blocks
logo_btl logo_culs_listed

BACnet is a registered trademark of ASHRAE. ASHRAE does not endorse, approve or test products for compliance with ASHRAE standards. Compliance of listed products to the requirements of ASHRAE Standard 135 is the responsibility of BACnet International (BI). BTL is a registered trademark of BI.

Technical Data
General Data
BACnet MS/TP
00 to F9
RS485 (two-wire bus)
9600 to 115200 baud
24 V DC
max. 250 mA (DC)
1
2 x analog, galvanically isolated
0 V to 10 V DC / 0 V to 12 V DC
150 mA bei 10 V DC / 12 V DC
0,3125 mv / digit
Green, red LED
50 x 69.3 x 60 mm
119 g
-5 °C to 55 °C
-20 °C to 70 °C
IP40 / IP 20
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Accessories
873544
Terminal block Type 259
777960
HUB DC
906226
Power supply NG4 24 V DC
905881
Typ 135 RIACON 135_3.5
Accessory of
929544
BMT-RTR BACnet-Router
929546
BMT-F-RTR BACnet-Router
964796
BMT-RTR/SC BACnet/SC Router
964798
BMT-F-RTR/SC BACnet/SC Router
Part number
1108871303
4251394660752
Downloads
FAQ's

What can I do if the red ERROR LED on the module lights up or there is no communication?

There are several possible causes, please check the following:

- Operating voltage (A1 / A2) connected and sufficient for the device.
- BUS (A- / B+) connected and not reversed. Pay attention to (- / +), not to A/B.
- Address (rotary switches) set correctly, must not occur twice or be 0.
- Bit rate (rotary switches) set correctly, only possible in programming mode (see mounting note).
- Shielded and twisted pair cable used.
- Termination resistor (120 Ω) set on both sides.
- Bias resistors available once on the BUS.
- Max Master as high as the number of physical master I/Os on the BUS.
- Max Frame high enough for all answers from participants to get through (BMT-RTR setting).

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