ALM-04-MRTU MP3 Alert module with RS-485 connection, 4-ch DI and 1-ch Relay Output

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).

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