Description
Emerson 5X00790G01
Technical Specifications: Logic supply voltage: 5 VDC from rack backplane Field auxiliary supply voltage: 24 VDC Communication interfaces: one DB9 serial port, one 10/100 Mbps RJ‑45 Ethernet port Serial baud rate maximum: 115.2 kbps Supported protocols: Modbus RTU, Modbus TCP, ASCII, Ovation proprietary bus protocol Isolation rating: 500 VAC between communication ports and system ground Operating temperature: 0 ℃ to 60 ℃ Storage temperature: -40 ℃ to 85 ℃ Relative humidity: 5%‑95% non‑condensing
Functional Features: Hot‑swappable module structure allows online replacement without rack power‑off. LED indicator lights display link status and data activity. Built‑in data buffer prevents packet loss during high‑speed transmission. Hardware isolation isolates external communication circuit interference from internal DCS logic. Support remote configuration and diagnostic through Ovation system software. Electronic identification enables automatic system recognition.
Application Scenarios: Connect Modbus‑RTU field instruments to Ovation DCS, communication gateway for power‑plant auxiliary control cabinets, data interconnection for petrochemical third‑party controllers, industrial water‑treatment equipment protocol conversion, pulp‑and‑paper factory multi‑system data exchange.
Performance Parameters: Typical power consumption: 3.2 W Vibration resistance: 10 Hz‑150 Hz, 0.5 g Shock resistance: 10 g peak, 11 ms MTBF value: 203000 hours
Material Composition: Outer housing: UL94‑V0 flame‑retardant engineering plastic. Main circuit board: FR‑4 glass‑fiber epoxy printed board. Backplane connector pins: gold‑plated copper alloy. Serial and Ethernet interface connectors are nickel‑plated metal components. Module locking latches adopt reinforced engineering plastic.
Structural Features: Standard Ovation rack plug‑in module form factor. Two‑side blue locking buckles for rack installation. Upper shell surface has dense ventilation grille for passive heat dissipation. Front panel reserves DB9 serial port and RJ45 Ethernet port, together with group of LED status indicators. Rear side is equipped with multi‑pin gold‑plated connector for docking rack backplane bus.
Working Principle: Module obtains working power from Ovation rack backplane. External equipment connects to serial or Ethernet interface. Module receives data frames from external equipment, completes protocol conversion and data sorting. Process data transmits to Ovation controller through backplane high‑speed bus. Control commands issued by controller convert into corresponding protocol format and send out to external field devices.
Installation Requirements: Insert module into specified slot on Ovation rack backplane. Lock two side latches completely to ensure full connector engagement. Use shielded industrial Ethernet cable and shielded serial communication cable. Separate communication cables and high‑power frequency‑converter cables in different cable trays. Cut off rack power supply before plugging or unplugging module.
Precautions for Use: Do not apply excessive force on external communication connectors. Wear anti‑static wristband during maintenance work. Regularly inspect surface dust accumulation of ventilation grille. Do not install in environment with oil mist or corrosive vapor. Replace module immediately if communication port physical damage occurs.




