4-channel Isolated Digital Input, 1-channel Relay Output, Modbus RTU, MP3 Alert Module

ALM-04-MRTU

4-channel Isolated Digital Input, 1-channel Relay Output, Modbus RTU, MP3 Alert Module

  Price:  $229.00  

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Features

The ALM-04-MRTU module features RS-485 connection and support Modbus RTU protocol. The controller makes an easy way to incorporate RS-485 connectivity into monitoring and control systems which makes perfect integration to monitoring in SCADA software and HMI.

ALM-04-MRTU includes 4 channels Isolated DI, with 8 alarm modes, 1 channel Relay output & 1 Audio Line out. MP3 audio format (44.1kHz/128kbit/s is preferred), all files & config are stored in Micro SD (T-Flash).

  • RS-485 Interface
  • Modbus RTU protocol
  • 4 x DI, 1 x Relay output
  • MP3 Audio, external Line Out
  • Support up to 64 audio files
  • 8 Alarm modes
  • 4 Single channel or 15 Binary channel support

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ALM-04-app2

Applications

  • Building Automation
  • Security Automation
  • Machine Automation
  • Factory Automation
  • Testing Equipment
  • Guest/Visitor Bell
  • Fire Alarm System

ALM-04-app1

Specifications

EMS Protection
EFT (IEC 61000-4-4) ±4 kV for Power
ESD (IEC 61000-4-2) ±4 kV Contact for Each Terminal
±8 kV Air for Random Point
LED Indicators
Status 1 x System status
1 x Alarm status
Digital Input/Counter
Channels 4
Type Dry Contact
Dry Contact, ON Voltage Level Close to GND
Dry Contact, OFF Voltage Level Open
Isolation 3750 VDC
Relay Output
Channels 1
Type Form A
Contact Rating DC 50 V/100 mA
COM Ports
Ports 1 x RS-485
Baud Rate 300 ~ 115200 bps
Data Format (N, 8, 1), (N, 8, 2), (E, 8, 1), (O, 8, 1)
N, 8, 1
Protocol Modbus/RTU
Audio
Sampling Frequency Rate: 24/44.1 (prefer) / 48 KHz
Line out Impedance 1 KΩ
Audio Output 3 W (Max.)
Audio Startup Time < 150 ms
Bit Rate 32 64 96 128 (prefer) 160 192 kbit/s
Audio File Format MPEG1-Audio Layer III (MP3)
Number of File 64 (Max.)
Volume Control Digital Volume Control
Sound Pressure Level 99 dB @ 1 KHz/1 meter
Storage
File Transfer PC Editor Utility, Copy to Micro SD
File System Fat16/32
Type Micro SD (T-Flash) up to 32GB, bundle 4GB
Power
Reverse Polarity Protection Yes
Input Range +9 VDC ~ +28 VDC
Consumption 0.48 W Standby
Mechanical
Dimensions (mm) 72 x 72 x 22 (W x L x H)
Installation Panel Mount
Wall Mount
DIN-Rail
Environment
Operating Temperature -20 ~ +75°C
Storage Temperature -30 ~ +80°C
Humidity 10 ~ 95% RH, Non-condensing

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