ALM-Horn-MRTU-BR RS-485 communication, Single Input, Single Output, 8 Blue+8 Red LED, 4 selectable Tone, Piezo Transducer Alarm Siren

The ALM-Horn Series include 3 models, -BR with water clear upper cover, Blue + Red LED, ALM-Horn as standard siren, ALM-Horn-WF have WLAN connection complies with the IEEE802.11b/g/n standards, support Modbus TCP protocol & HTML, ALM-Horn-MRTU have RS-485 interface support Modbus RTU protocol.

ALM-Horn series device include 1-channel digital input for any dry contact output such as SA, BA, FA..etc, and 1-channel digital output  Each device has 4 kinds of alarm tone, NC/NO input mode select by switchs. The ALM-Horn-WF & -MRTU support Modbus protocol, Which makes perfect integration for monitoring or control in SCADA software, HMI Modbus & Utilitys. ALM-Horn series have High Sound Pressure output, wide input power range & IP43 waterproof.

Features

• Standard Alarm Siren or with RS-485 interface
• Modbus RTU protocol
• Photo couple input, Open Collector output
• Piezo Transducer Output
• Water clear upper cover with 8 Ultra-Bright RED LED, or -BR version with 8 Blue + 8 Red Ultra-Bright LED
• 4 Selectable Alarm Tone
• NC/NO Input Selectable