BMT-DIO4/2-IP65 BACnet MS/TP 230 V

Description

The BACnet MS/TP module in IP65 housing with 4 digital inputs and 2 relay outputs with manual control was developed for decentralized switching tasks. It is suitable for accommodating, for example, light switches and window contacts in a room, switching two light strips or controlling louvers. It can also be used to control 2 motorized fire dampers. In this case it is necessary to protect the relay contacts by appropriate load-dependent measures. The inputs can be used as contact or voltage inputs. The inputs and outputs can be switched and scanned by means of standard objects via a BACnet client. Module address and bit rate are set with two rotary switches.

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

Protocol

BACnet MS/TP

Addressing range

00 to F9

Bus interface

RS485 (two-wire bus)

Transmission rate

9600 to 115200 bits/s

Operating voltage range

230 V +/- 10 %

Current consumption

200 mA (AC) / 12 mA (DC)

Relative duty cycle

100 %

Inputs

4 x digital (contact)

Output / contacts

2 changeover contacts (DPST)

Output / switching voltage

250 V AC

Output / continuous current (UL)

8 A / output

Output / continuous current (VDE)

10 A / output

Display

Green, red and yellow LED

Dimensions (W x H x D)

159 x 41.5 x 120 mm

Weight

350 g

Operating temperature range

-5 °C to 55 °C

Storage temperature range

-20 °C to 70 °C

Ingress protection for housing / terminal blocks

IP65 / IP20

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Accessory of

BMT-RTR BACnet-Router

BMT-F-RTR BACnet-Router

BMT-RTR/SC BACnet/SC Router

BMT-F-RTR/SC BACnet/SC Router

Part number

Part number:

1108830526IP

EAN:

4251122179013

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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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