Emerson Ovation 5A26155G51 Signal Interconnect Cable Assembly
5A26155G51 is an original factory-terminated dedicated signal interconnection cable assembly tailored for Emerson Ovation DCS distributed control systems. The suffix G51 represents a confirmed locked hardware revision, which has passed comprehensive factory outgoing inspections, including continuity testing, dielectric withstand testing, shielding efficiency testing and pinout consistency verification.
Description
This cable acts as a dedicated physical signal transmission link connecting Ovation I/O modules, rack backplanes and cabinet signal transfer panels. It reliably transmits analog process sampling signals, digital equipment status feedback signals and safety interlock control signals. Equipped with dual-end gold-plated lockable precision connectors and full multi-layer EMI/RFI shielding construction, it effectively suppresses electromagnetic interference inside control cabinets, eliminating analog signal drift, digital signal false triggering and communication jitter. It is widely applied in new cabinet assembly, on-site unit retrofitting and spare part stocking for thermal power, petrochemical and other process industries.
Detailed Technical Introduction
1. Product Description
This prefabricated cable assembly adopts industrial-grade shielded cable with a factory preset fixed length, fitted with precisely crimped matched locking connectors at both ends. One connector plugs into the dedicated signal interface of Ovation I/O modules or rack backplane ports, while the other connects to cabinet terminal blocks or signal transfer panels, implementing point-to-point hard wiring interconnection between the control layer and field wiring terminals.
Each finished cable undergoes strict quality inspection to eliminate open circuits, short circuits, miswiring and insufficient crimping defects, fully adapting to the 24/7 non-stop continuous operation and long-term vibration operating conditions of industrial control cabinets.
2. Core Functional Features
2.1 Point-to-Point Accurate Signal Transmission
Custom-designed for analog and digital signal loops inside Ovation control cabinets. Strict one-to-one pin mapping eliminates signal crosstalk and misconnection risks, ensuring accurate collection of field process parameters and reliable issuance of safety interlock control commands.
2.2 Dual-Layer Full Shielding Anti-Interference Design
It features a composite structure of overall braided copper mesh shielding plus independent shielding for each individual core wire. This structure isolates EMI and RFI interference generated by cabinet contactors, variable frequency drives and cooling fans, greatly reducing analog measurement deviation and accidental digital signal triggering caused by external noise.
2.3 Gold-Plated Anti-Loose Lockable Precision Connectors
Both ends are fitted with industrial gold-plated connectors with integrated snap locking latches. Gold-plated pins reduce contact resistance and resist oxidation and corrosion in humid cabinet environments; the locking structure prevents poor contact induced by long-term equipment vibration and delivers long-term stable connection reliability.
2.4 Flame-Retardant, Oil-Resistant & Anti-Aging Outer Jacket
The outer sheath is manufactured from high-tensile flexible flame-retardant insulating material, resistant to oil mist, dust and cyclic temperature fluctuations inside power plant cabinets. It boasts excellent bending fatigue resistance, suitable for fixed routing and limited bending layout, with no insulation cracking or core wire breakage after repeated plugging and prolonged vibration.
2.5 Native Plug-and-Play System Compatibility
No adapters, on-site wiring modifications or secondary crimping are required. It directly mates with standard interfaces of the full series of Ovation I/O modules, rack backplanes and transfer panels, perfectly compatible with the Ovation distributed control platform, simplifying on-site installation, fault troubleshooting and spare part replacement work.
2.6 Standard Tagged Fixed-Length Prefabricated Cable
Supplied as a pre-assembled fixed-length finished cable with unified cable ID tags and pin number labels, facilitating internal cabinet cable sorting, identification and subsequent circuit maintenance, and significantly shortening the on-site engineering wiring and commissioning cycle.
Key Technical Specifications
Model Number: 5A26155G51
Product Type: Signal Interconnect Cable Assembly
Connectors: Mated locking precision connectors on both ends
Transmitted Signals: Analog process sampling signals, digital equipment status signals, safety interlock control signals
Shielding Structure: Dual-layer overall braided shielding + independent core wire shielding
Anti-Interference Performance: Complete EMI/RFI suppression, high signal integrity
Insulation Resistance: ≥100 MΩ (tested at 500 VDC)
Dielectric Withstand Voltage: 1000 VAC between conductors and shielding layer
Operating Ambient Temperature: 0 ℃ ~ +60 ℃
Storage & Transportation Temperature: −40 ℃ ~ +85 ℃
Relative Humidity: ≤95% RH, non-condensing
EMC Compliance: Complies with industrial G3 anti-corrosion standard and anti-interference requirements for power plant control cabinets
Rated Mating Cycles: ≥1000 reliable plug/unplug operations
Application Scope
- Thermal Power IndustryUsed for internal signal wiring in main control cabinets of boilers, turbines and generators as well as auxiliary control racks, stably transmitting temperature, pressure, flow and other analog signals and equipment switch state digital signals.
- Petrochemical IndustryInstalled in control cabinets of reactors, fractionation units and compressor sets to connect I/O cards and terminal transfer panels, ensuring stable signal transmission for safety interlock chains and continuous process regulation loops.
- Metallurgy, Waste-to-Energy Power Plants & District Heating StationsAdopted for fixed signal interconnection inside automation control cabinets, supporting long-cycle unattended safe and stable operation of the entire Ovation DCS production control system.
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