ALM-Horn-MRTU-BR Alarm Siren and LED unit, Modbus RTU


Price:
Sale price£87.00

Description

The ALM-Horn-MRTU-BR unit has a water clear upper cover, Blue + Red LED, Modbus RTU communication.

The ALM-Horn device includes 1-channel digital input for any dry contact output such as SA, BA, FA..etc, and 1-channel digital output.  Each device has 4 kinds of alarm tone, NC/NO input mode select by switchs. The ALM-Horn-MRTU support Modbus protocol, which makes perfect integration for monitoring or control in SCADA software, HMI Modbus & Utilities. ALM-Horn series have a High Sound Pressure output, wide input power range & IP43 waterproofing.

Features

  • Standard Alarm Siren with RS-485 interface
  • Modbus RTU protocol
  • Photo couple input, Open Collector output
  • Wide power supply range
  • Wide operating temperature range
  • Piezo Transducer Output
  • Water clear upper cover with 8 Ultra-Bright RED LED, or -BR version with 8 Blue + 8 Red Ultra-Bright LED
  • 4 Selectable Alarm Tone
  • NC/NO Input Selectable

Specifications

EMS Protection
EFT (IEC 61000-4-4) ±2 kV for Power
ESD (IEC 61000-4-2) ±8 kV Air for Random Point
LED Indicators
Status 2 colors LED, Blue for System status, Red for Alarm status.
Digital Input/Counter
Channels 1
Type Dry Contact: Sink
Dry Contact, ON Voltage Level Close to GND
Dry Contact, OFF Voltage Level Open
Isolation 3750 VDC
Digital Output
Channels 1
Type Open Collector (Sink)
Load Voltage +3.5 VDC ~ +30 VDC
Max. Load Current 400 mA
Alarm Output
LED Water clear upper cover with 8 RED UltraBright RED LED
-BR: With 8 Blue + 8 RED UltraBright LED
LPiezo Transducer Pressure Level 120 ± 5 dB @10cm/3.0 KHz (W/O waterproof membrane)
Dip Switch
Mode SW1,2: Include 4 kinds of alarm Tone, SW4:Input Mode (NO/NC) select
COM Ports
Ports 1 x RS-485
Baud Rate 300 ~ 115200 bps
Data Format Data bit: Odd
Stop bit: Even, 8, 1/2
Protocol Modbus RTU
Power
Reverse Polarity Protection Yes
Input Range 12 ~ 48 VDC with Reverse Protection (Vin to GND)
Consumption 0.48 W Standby.
Mechanical
Dimensions (mm) 119 x 119 x 48 (W x L x H)
Installation

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