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Horner Electric RTU Master Communication Modules HE693RTU900

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HE693RTU900

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The HE693RTU900 from Horner Electric is an interface module that supports Modbus RTU as a slave protocol. Designed for integration with Series 90-30 PLCs, this module features one RS-232 and one RS-485 port, allowing for versatile communication options.

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Technical specifications for HE693RTU900

ManufacturerHorner Electric
Product TypeInterface Module
Product LineRTU Master Communication Modules
Part NumberHE693RTU900
Weight0.56 lbs (0.26 kg)
Communication ProtocolsModbus RTU (Slave)
RS-232 Ports1
RS-485 Ports1
Supported Baud RatesUp to 115.2 kbps
Report by ExceptionYes
PLC CompatibilitySeries 90-30 PLCs
Power Supply5 VDC via backplane
Isolation1500 VAC field-to-logic
DiagnosticsLED indicators for status and communication
Operating Temperature0–60 °C
Storage Temperature‑40–85 °C
Humidity5–95% non-condensing

The HE693RTU900 module designed by Horner Electric falls under the RTU Master Communication Modules series. This unit serves as an interface module primarily for Modbus RTU (Slave) communications. It consists of one RS-232 port and one RS-485 port, allowing flexible connectivity options for various applications. The module is compatible with Series 90-30 PLCs, making it suitable for an array of control systems.

Supporting baud rates of up to 115.2 kbps, it enables efficient data transmission between devices. The power supply requirement is 5 VDC, which is supplied through the backplane, facilitating easy integration. With a robust isolation level of 1500 VAC between field and logic, it ensures safety in industrial environments.

To provide real-time operational feedback, the module is equipped with LED indicators that showcase both status and communication activity. Designed to operate in environments with temperatures ranging from 0 to 60 °C, the HE693RTU900 can handle substantial exposure to varying conditions. Storage temperature ratings extend from -40 to 85 °C, ensuring it remains functional under extreme conditions. Furthermore, this module accommodates humidity levels from 5 to 95% without condensation, highlighting its durability in challenging situations.