Phoenix Contact QUINT-PS/1AC/48DC/5 2866679 Industrial Power Supply for QUINT Systems

Phoenix Contact QUINT-PS/1AC/48DC/5 2866679: Powering the Industrial Data Link in Smart Factory Networks

In modern smart factory environments, reliable power delivery is the invisible backbone of every industrial data link. The Phoenix Contact QUINT-PS/1AC/48DC/5 2866679 is a high-performance 48VDC/5A DIN-rail mounted power supply unit from Phoenix Contact’s renowned QUINT Series — engineered to sustain uninterrupted communication across field devices, PLC controllers, remote I/O modules, HMI panels, SCADA gateways, variable frequency drives, sensors, and upper-level supervisory systems. Where data flows, stable power must follow, and the QUINT-PS/1AC/48DC/5 2866679 ensures that every node in your industrial network remains energized, synchronized, and diagnostically transparent.

The QUINT Series power supplies are distinguished by their active current limiting, preventive function monitoring, and SFB (Selective Fuse Breaking) technology — capabilities that translate directly into network uptime. In a connected automation architecture, a momentary power interruption at a field device can cascade into communication timeouts, protocol retransmission storms, and SCADA alarm floods. The QUINT-PS/1AC/48DC/5 2866679 eliminates this risk by delivering a stable 48VDC rail with dynamic boost capability, ensuring that downstream devices such as the Phoenix Contact FL SWITCH 1008 managed Ethernet switches and FL SWITCH 2008 industrial network switches maintain continuous packet routing without voltage sag-induced resets.

Within a typical industrial Ethernet topology, the QUINT-PS/1AC/48DC/5 2866679 powers the communication infrastructure that connects field-level sensors and actuators to the control layer. Signal acquisition begins at the sensor level — pressure transmitters, flow meters, and proximity switches — whose 4–20mA or digital outputs feed into remote I/O modules such as the Phoenix Contact AXL F BK ETH Axioline F bus coupler. This bus coupler aggregates field signals and transmits them over PROFINET or Modbus TCP to the Phoenix Contact ILC 151 ETH inline controller, which executes real-time control logic and forwards process data upstream to SCADA and MES platforms.

Protocol conversion is a critical function in heterogeneous industrial sites. Where legacy PROFIBUS DP devices coexist with modern PROFINET or EtherNet/IP networks, gateways such as the Phoenix Contact FL COMSERVER UNI serial device server bridge the communication gap, enabling older instrumentation to participate in the plant-wide data network. The QUINT-PS/1AC/48DC/5 2866679 provides the stable 48VDC supply rail that these communication gateways require for deterministic, low-latency protocol translation — a prerequisite for real-time monitoring and alarm feedback in SCADA environments.

At the drive level, variable frequency drives and servo amplifiers demand clean, stable auxiliary power for their communication cards. When integrated with Phoenix Contact TRIO-PS/1AC/24DC/10 or QUINT-PS/1AC/24DC/10 power supplies in a multi-rail cabinet, the QUINT-PS/1AC/48DC/5 2866679 handles the 48VDC bus dedicated to network switches, communication modules, and HMI panels — ensuring that the data path between the drive’s fieldbus interface and the PLC remains intact even during motor start transients. This separation of power rails is a best practice in industrial network design, preventing conducted noise from power electronics from corrupting communication signals.

Remote diagnostics and predictive maintenance depend on continuous data availability. The QUINT-PS/1AC/48DC/5 2866679 features a signaling contact that reports power supply status to the PLC or building management system, enabling the SCADA platform to log power events, trigger maintenance alerts, and correlate power anomalies with process deviations. When paired with Phoenix Contact STEP-PS/1AC/24DC/3.8 units on secondary rails and managed through the FL SWITCH 2016 network switch, plant engineers gain a fully instrumented power and communication infrastructure that supports remote diagnostics from any authorized workstation on the plant network.

System expansion is straightforward with the QUINT Series ecosystem. As production lines scale, additional remote I/O stations, HMI terminals, and edge gateways can be added to the network without redesigning the power architecture. The Phoenix Contact QUINT-PS/3AC/24DC/20 three-phase variant serves high-demand control panels, while the QUINT-PS/1AC/48DC/5 2866679 continues to serve the 48VDC communication bus — a modular, scalable approach aligned with IEC 61131 and Industry 4.0 network standards. Edge computing nodes running OPC UA clients can aggregate data from multiple PROFINET segments and forward it to cloud-based analytics platforms, with the QUINT-PS/1AC/48DC/5 2866679 ensuring that the edge gateway remains powered and connected at all times.

Every unit is shipped after comprehensive factory testing, including output voltage accuracy, current limiting response, and signaling contact function verification. Stock is maintained for shipment arranged after confirmation, and all units are covered by a warranty terms confirmed during quotation against manufacturing defects. Our technical team provides pre-sales application support and post-sales commissioning guidance to ensure seamless integration into your industrial network architecture.

Compatibility & Integration Notes

Connected Automation Data Flow

The industrial data flow in a smart factory begins at the sensor layer, where devices such as IO-Link masters and 4–20mA transmitters deliver process values to field I/O modules. The Phoenix Contact AXL F BK ETH Axioline F Ethernet bus coupler collects these signals and transmits structured data packets over PROFINET to the ILC 151 ETH inline PLC controller. The controller executes ladder logic and function block programs, forwarding aggregated process data to the SCADA server via the plant’s managed Ethernet backbone — a backbone whose switches, including the FL SWITCH 1008 and FL SWITCH 2016, are powered and stabilized by the QUINT-PS/1AC/48DC/5 2866679 on the 48VDC bus.

At the drive level, the Phoenix Contact QUINT-PS/1AC/24DC/10 supplies the 24VDC rail for PLC I/O cards and HMI panels, while the QUINT-PS/1AC/48DC/5 2866679 handles the 48VDC communication bus. Serial legacy devices connect through the FL COMSERVER UNI serial server, which converts RS-232/RS-485 Modbus RTU traffic to Modbus TCP for integration into the plant Ethernet network. The TRIO-PS/1AC/24DC/10 provides redundant power to critical communication nodes, and the STEP-PS/1AC/24DC/3.8 serves auxiliary instrumentation circuits — together forming a layered, fault-tolerant power and communication architecture that supports real-time monitoring, remote diagnostics, and SCADA alarm management across the entire production line.

Solving Data Isolation in Industrial Sites

Many industrial facilities operate with a mix of legacy fieldbus systems — PROFIBUS DP, DeviceNet, Modbus RTU — alongside modern Industrial Ethernet networks. This protocol heterogeneity creates data silos where field devices cannot communicate with upper-level SCADA or MES systems without manual data entry or custom middleware. The Phoenix Contact QUINT-PS/1AC/48DC/5 2866679 addresses this challenge indirectly but fundamentally: by providing a stable, monitored 48VDC power rail to the communication gateways and protocol converters that bridge these networks, it ensures that the translation layer operates continuously and without power-related interruptions.

Production line transparency — the ability to see real-time OEE, cycle times, alarm states, and energy consumption from a central dashboard — requires that every device in the network remains powered and communicating. A power supply failure at a remote I/O cabinet can black out an entire segment of the plant network, rendering SCADA blind to that production zone. The QUINT-PS/1AC/48DC/5 2866679’s preventive function monitoring and signaling contact allow the SCADA system to detect a degrading power supply before it fails, enabling planned maintenance rather than emergency downtime. System expansion is equally simplified: adding a new remote I/O station or edge gateway to the network requires only a DIN-rail slot and a connection to the existing 48VDC bus, with no changes to the upstream network architecture.

Industrial Connectivity FAQ

Q1: Does the QUINT-PS/1AC/48DC/5 2866679 introduce communication latency in industrial Ethernet networks?
A: No. As a power supply unit, the QUINT-PS/1AC/48DC/5 2866679 does not process or route network traffic. Its role is to provide a stable 48VDC supply to network infrastructure components. Voltage stability directly affects the performance of downstream switches and communication modules — a stable supply eliminates voltage-sag-induced resets that can cause communication timeouts and retransmission delays.

Q2: Is the QUINT-PS/1AC/48DC/5 2866679 compatible with PROFINET, Modbus TCP, and EtherNet/IP network architectures?
A: Yes. The unit powers the infrastructure components — managed switches, bus couplers, gateways, and HMI panels — that operate across all major Industrial Ethernet protocols. It is protocol-agnostic at the power level, making it universally compatible with PROFINET, Modbus TCP, EtherNet/IP, and OPC UA network architectures.

Q3: How does the signaling contact support network stability monitoring?
A: The QUINT-PS/1AC/48DC/5 2866679 includes a floating signaling relay contact that changes state when the output voltage drops below the set threshold or when the unit enters current limiting mode. This signal can be wired to a PLC digital input or a building management system, enabling the SCADA platform to log power events, generate maintenance alerts, and correlate power anomalies with network communication faults — supporting proactive network stability management.

Q4: What warranty and testing does the QUINT-PS/1AC/48DC/5 2866679 carry?
A: Every unit is covered by a warranty terms confirmed during quotation against manufacturing defects. Prior to shipment, each unit undergoes factory acceptance testing including output voltage accuracy, current limiting response verification, and signaling contact function check. Stock units are available for shipment arranged after confirmation, and our technical team provides application support for integration into your industrial network architecture.