Description
Emerson KJ1710X1-BA1
Technical Specifications
- Bus Type: FOUNDATION Fieldbus H1
- Communication Speed: 31.25 kbit/s
- LocalBus Supply: 12VDC
- Fieldbus power supply capacity: Supports multiple fieldbus devices on each bus segment
- Isolation: Galvanic isolation between fieldbus side and DCS backplane
- Operating Ambient Temperature: 0℃ ~ 60℃
- Storage Temperature: -40℃ ~ 85℃
- Relative Humidity: 5% ~ 95%, non-condensing
- Protection Grade: IP20
- Installation Type: DeltaV rack plug-in module
- Built-in fieldbus communication diagnosis and bus power monitoring circuit
- Front panel LED indicators for bus running and fault state
Functional Features Fieldbus communication transceiver circuit realizes FOUNDATION Fieldbus H1 protocol data interaction with field smart instruments. Built-in bus power supply circuit provides DC power for fieldbus devices on bus segment. Continuous bus monitoring circuit detects bus short-circuit, bus noise and instrument offline status. Front-panel LED indicators display module running status and fieldbus communication state. Plug-in rack mechanical design supports hot swap under non-critical process operating conditions. Isolation circuit protects DCS backplane from surge interference on fieldbus cables.
Application Scenarios DeltaV DCS control cabinets in chemical plants, oil refineries and natural gas processing facilities. It connects DeltaV controller with FOUNDATION Fieldbus H1 smart transmitters, valve positioners and flow meters.
Performance Parameters Fieldbus communication circuit maintains stable data transmission within full working temperature range. Diagnostic circuit captures bus communication abnormality and power fault rapidly. Bus interface withstands electromagnetic interference from industrial field environment. Multiple fieldbus devices can work simultaneously on single bus segment without data conflict.
Material Composition Flame-retardant engineering plastic front panel. Multi-layer flame-retardant glass-fiber epoxy PCB. Fieldbus communication microprocessor, bus transceiver chips and LED indicators. Gold-plated copper alloy backplane connector. Metal shielding components for anti-electromagnetic interference.
Structural Features Standard plug-in card matching DeltaV rack slot. Front panel equipped with running status LED and bus fault LED indicators. Guide rails and mechanical latch lock module firmly inside rack. Rear gold-plated connector mates with DeltaV rack backplane. External fieldbus terminal ports for fieldbus cable wiring. Internal metal shielding reduces electromagnetic interference impact.
Working Principle The module connects to DeltaV controller through rack backplane, and connects to FOUNDATION Fieldbus H1 field instruments via fieldbus shielded cables. It supplies DC power for fieldbus devices and exchanges digital data according to FOUNDATION Fieldbus H1 protocol. It collects process variables, instrument diagnostic data and alarm events uploaded by fieldbus instruments and transmits data to DeltaV controller. It receives control commands and parameter configuration from DeltaV controller and sends data to fieldbus devices. On-board monitoring circuit checks bus power and communication quality continuously. When bus short-circuit or instrument offline occurs, module generates fault alarm and sends alarm message to DeltaV operator station.
Installation Requirements Insert module along rack guide rail into designated DeltaV rack slot and lock mechanical latch. Use shielded fieldbus cables for field instrument wiring. Cable shielding layer single-point grounding inside cabinet. Separate fieldbus cables from high-voltage power cables. Reserve air circulation space around module for heat dissipation. Complete fieldbus segment configuration and device assignment in DeltaV engineering workstation after hardware installation.
Precautions for Use Take anti-static protective measures during module handling. Do not touch gold-plated connector pins directly by bare hands. Inspect fieldbus cable and terminal condition regularly. Do not apply overvoltage to fieldbus terminals. Do not disassemble module housing.
