ALM-04-MRTU CR
MP3 Alert module with RS-485 connection, 4-ch Digital input and 1-ch Relay Output
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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).
Applications
- Building Automation
- Security Automation
- Machine Automation
- Factory Automation
- Testing Equipment
- Guest/Visitor Bell
- Fire Alarm System
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
ON Voltage Level: Close to GND
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