Introduction:

The ALM-04-MRTU Module 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 or HMI Modbus & Utilities.
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 prefer), all files & config are stored in Micro SD (T-Flash).

 

Features:

• RS-485 Interface
• Modbus RTU protocol
• Photo couple input, Relay output
• Wide operating temperature range
• Wide power supply range
• MP3 Audio, external Line Out
• Digital Volume control
• Support up to 64 audio files
• 8 Alarm mode support
• 4 Single channel or 15 Binary channel support

For more information, please visit the following website: https://www.icpdas.com/en/product/ALM-04-MRTU