Emerson Ovation 5A26155G29 Signal Interconnect Cable Assembly Product Overview
5A26155G29 is an original factory-terminated dedicated signal cable assembly for Emerson Ovation DCS systems. The suffix G29 represents a locked, validated hardware revision, which has passed full factory tests including continuity inspection, dielectric withstand test, shielding efficiency test and pinout consistency verification. It serves as a dedicated physical transmission path to connect Ovation I/O modules, rack backplanes and cabinet signal transfer panels, reliably transmitting analog process sampling signals, digital equipment status signals and safety interlock control signals. Equipped with dual-end gold-plated lockable precision connectors and complete multi-layer EMI/RFI shielding structure, it effectively suppresses internal cabinet electromagnetic interference and avoids analog signal drift, digital signal false triggering and communication jitter. It is widely used for new cabinet assembly, on-site unit retrofits and spare parts replacement in thermal power, petrochemical and other process industries.
Description
1. Module Introduction
This finished cable assembly adopts industrial-grade double-shielded cable with factory fixed length, fitted with precisely crimped mating locking connectors at both ends. One connector plugs into the dedicated signal port of Ovation I/O modules or rack backplane interfaces, while the other connects to cabinet terminal blocks or signal transfer panels, establishing point-to-point hard wiring between the control layer and field wiring terminals. Each finished cable undergoes strict outgoing inspection to eliminate open circuits, short circuits, miswiring and poor crimping faults, fully adapting to 24/7 continuous operation and long-term vibration working conditions of industrial control cabinets.
2. Core Functional Features
2.1 Accurate Point-to-Point Signal Transmission
Customized for internal analog and digital signal loops of Ovation cabinets. Strict one-to-one pin correspondence eliminates crosstalk and misconnection risks, ensuring precise collection of field process variables and reliable issuing of safety interlock commands.
2.2 Dual-Layer Full Shielding Anti-Interference Design
Constructed with overall braided copper shielding plus individual core wire independent shielding, it effectively isolates EMI and RFI disturbance generated by cabinet contactors, variable frequency drives and cooling fans. Analog measurement deviation and accidental digital signal triggering caused by external noise are greatly reduced.
2.3 Gold-Plated Lockable Anti-Loose Connectors
Both ends adopt industrial gold-plated connectors with integrated snap locking buckles. Gold-plated pins lower contact resistance and resist oxidation and corrosion in humid cabinet environments; the locking structure prevents poor contact induced by long-term equipment vibration and ensures long-term stable connection performance.
2.4 Flame-Retardant, Oil-Resistant & Anti-Aging Outer Sheath
The cable jacket is made of high-tensile flexible flame-retardant insulation material, resistant to oil mist, dust and temperature cycling inside power plant cabinets. It features excellent bending fatigue resistance, suitable for fixed routing and limited bending layout, with no insulation cracking or core wire breakage after repeated plugging and long-term vibration.
2.5 Plug-and-Play Native System Compatibility
No adapters, field wiring modification or secondary crimping required. It directly mates with standard interfaces of full-series Ovation I/O modules, rack backplanes and transfer panels, perfectly compatible with Ovation distributed control platform, simplifying field installation, troubleshooting and spare part replacement.
2.6 Standard Labeled Fixed-Length Prefabricated Cable
Delivered as pre-assembled fixed-length cable with unified cable tags and pin labels, convenient for internal cabinet cable sorting, identification and later circuit maintenance, greatly shortening on-site engineering wiring and commissioning cycle.
3. Key Technical Specifications
Model Number: 5A26155G29
Product Type: Signal Interconnect Cable Assembly
Connectors: Lockable matched 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 (500 VDC test voltage)
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 Range
- Thermal Power IndustryUsed for internal signal wiring in boiler, turbine, generator main control cabinets and auxiliary racks, stably transmitting temperature, pressure, flow and other analog signals as well as equipment switch digital signals.
- Petrochemical IndustryInstalled in control cabinets of reactors, fractionators and compressor units to connect I/O cards and terminal transfer panels, guaranteeing stable signal transmission for safety interlock chains and continuous process control loops.
- Metallurgy, Waste-to-Energy Plants & District Heating StationsApplied for fixed signal interconnection inside automation control cabinets, supporting long-cycle unattended safe and stable operation of the whole Ovation DCS production control system.
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