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home > product > solutions > remote i/o modules/units > Wi-Fi Products > ALM-04-MRTU
 
ALM-04-MRTU
4-CH Digital Input and 1-CH Relay Output, Modbus RTU, MP3 Audio Alarm Controller
 
~ Available soon ~    
  • RS-485 interface.
  • Modbus RTU protocol
  • Photo couple input, Relay output
  • Wide power supply range
  • Wide operating temperature range
  • MP3 Audio Output, external Line out
  • Digital Volume control
  • Support up to 64 audio files
  • 8 Alarm mode support
  • 4 Single channel or 15 Binary channel support
   
Model: ALM-04-MRTU    
 
 
The ALM-04-MRTU controller have RS-485 connection with Modbus RTU protocol support. The controller make an easy way to incorporate RS-485 connectivity into monitoring and control systems. Which makes perfect integration to monitoring in SCADA software, HMI Modbus & Utilitys.
ALM-04-MRTU include 4 channels Isolated DI, with 8 kinds of alarm mode, 1 channel Relay output & 1 Audio Line out. MP3 Audio format(44.1kHz/128kbit/s is perfer), all files & config are stored in Micro SD(T-Flash).
 
  • Building Automation
  • Security Automation
  • Machine Automation
  • Factory Automation
  • Testing Equipment
  • Guest/Visitor Bell
  • Fire Alarm System
 
OS Software
Windows Editor Utility
 
Digital Input
Channels 4
Input Type Dry Contact: Sink
Dry Contact Level Off Voltage Level: Open
On Voltage Level: Close to GND
Photo-Isolation 3750 VDC
Input Condition Pulse Width must > 150mSec or more
Digital Output
Channels 1
Output Type Form A Relay
Contact Rating DC 50V/100mA
 
Audio
Sound Pressure Level 99dB@1KHz/1meter
Volume Control Digital Volume Control
Number of File 64(Max)
Audio File Format MPEG1-Audio Layer Ⅲ (MP3)
Sample Rate 24/44.1(prefer)/48 KHz
Bit Rate 32 64 96 128(prefer) 160 192 kbit/s
Audio Startup Time < 150ms
Audio Output 3W(Max)
Line out Impedance 1KΩ
Storage
Audio Files Locate Micro SD(T-Flash) up to 32GB, bundle 4GB
Storage File System Fat16/32
File Transfer PC Editor Utility, Copy to Micro SD
 
Communication
Interface RS-485
Parity,Data bit,Stop bit [None/Odd/Even], [8], [1/2]
Baud Rate 300 ~ 115200 bps
Protocol Modbus RTU
Watchdog Watchdog Yes, 1.8s
LED Indicators
Power/Status One 2 colors LED, Blue for System status, Red for Alarm status.
Isolation
Intra-module Isolation, Field-to-Logic 3000 VDC
Protection
ESD (IEC 61000-4-2) ±8 kV Air for Random Point
EFT (IEC 61000-4-4) ±2 kV for Power
Waterproof(IEC 60529) IP54 (Panel Mount Upright Position)
Power Requirements
Powered from Connector 9 ~ 28 VDC with Reverse Protection(Vin to GND)
Consumption 0.48 W Standby
Mechanical
Dimensions (W x L x H) 72 mm x 72 mm x 22 mm
Installation Panel Mount/Wall Mount/DIN-Rail Mounting
Environmental
Operating Temperature -20 ~ +75 °C
Storage Temperature -30 ~ +85 °C
Humidity 10 ~ 85% RH, Non-condensing
 
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ALM-06-WF CR 6-channel Isolated Digital Input, 1-channel Relay Output, MP3 Alarm Controller (RoHS)
 
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