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ALM-04-MRTU CR: Còi cảnh báo MP3 chức năng RS-485 Modbus RTU+ 4 kênh DI +1 kênh đầu ra Relay

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ALM-04-MRTU CR MP3 Alert module with RS-485 connection, 4-ch DI and 1-ch Relay Output. (RoHS)

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ALM-04-MRTU CR: Còi cảnh báo MP3 chức năng RS-485 Modbus RTU+ 4 kênh DI +1 kênh đầu ra Relay

Features

  • 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

Introduction

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).

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

 

Environmental
Operating Temperature -20 ~ +75°C
Storage Temperature -30 ~ +80°C
Humidity 10 ~ 95% RH, Non-condensing

Download

Data sheet

Documents

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ALM-04-MRTU     CR  MP3 Alert module with RS-485 connection, 4-ch DI and 1-ch Relay Output. (RoHS)

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