Features Description - ICP DAS USA ALM-04-MRTU User Manual

Features Description

1.1.1
Modbus RTU protocols
The Modbus RTU function on the ALM-04-MRTU can be used to provide data
monitoring from HMI/SCADA software built with Modbus RTU driver. All the RS-485
& Modbus RTU configuration are store in MicroSD(T-Flash), it can be created by PC
Utility.
Built-in MP3 Audio decoder & Audio Output
The Alarm sound using MP3(MPEG1-Audio Layer Ⅲ) audio, it support most of
MP3 format(Sample Rate 24/44.1(prefer)/48 KHz, Bitrate 32 64 96 128(prefer) 160 192
Kbit/s), include an 3W audio power amplifier & 1KΩ Impedance Line Out can send the
alarm sound to external PA(Power Amplifier) system.
Support 4 channel trigger input with 8 alarm mode & Output
Include 4 channel Photo couple input & 8 kinds of alarm trigger mode, it also can be
triggering an extend device using external Relay Output. All modes & MP3 audio files
can be created or config by PC Editor.
ALM-04-MRTU User's Manual
ALM-04-MRTU
User's Manual (Rev1.0, Jan./2020) ------------- 5