Allen-Bradley 1606-XLP100E Energy-Saving PSU for 1606 Automation
In modern industrial environments where energy costs and equipment uptime directly impact profitability, the Allen-Bradley 1606-XLP100E stands out as a precision-engineered power supply designed to deliver stable, efficient DC power across demanding automation architectures. As part of Rockwell Automation’s Bulletin 1606 XLP series, this 100W, 24VDC power supply is built to minimize energy waste at the source — the power conversion stage — while maintaining the voltage stability that sensitive control systems require.
Factory floors running continuous production cycles cannot afford voltage fluctuations or power inefficiencies. The 1606-XLP100E addresses this directly with its high-efficiency conversion topology, which reduces heat dissipation and lowers the thermal load on control panels. Less heat means less cooling demand, which translates into measurable reductions in auxiliary energy consumption across the facility. When deployed alongside a PowerFlex 525 AC drive managing motor speed on a conveyor or pump system, the combination creates a tightly regulated power and drive architecture that responds dynamically to load changes — reducing energy draw during partial-load conditions rather than running at fixed output regardless of demand.
Efficiency Performance Table
| Parameter |
Specification |
| Output Power |
100W |
| Output Voltage |
24VDC (adjustable 24–28V) |
| Input Voltage Range |
85–264VAC / 90–375VDC (wide range) |
| Efficiency Rating |
Up to 91% typical |
| Operating Temperature |
-25°C to +70°C |
| Compatible Systems |
CompactLogix, ControlLogix, MicroLogix, POINT I/O, Flex I/O |
| Application Environment |
Industrial panels, machine control, process automation |
| Energy-Saving Value |
Reduced heat output, lower auxiliary cooling load, stable DC bus |
| Certifications |
UL, CE, cUL listed |
| Warranty |
12-Month Warranty — tested and verified before shipment |
Energy-Aware Automation Architecture
The 1606-XLP100E is most effective when integrated into a well-designed automation architecture where every component contributes to system-level efficiency. In a typical CompactLogix-based machine cell, the 1606-XLP100E provides the 24VDC rail that powers the 1769-L33ER CompactLogix controller, field I/O modules, and safety relays. Because the power supply maintains tight output regulation even under transient load conditions, the controller’s scan cycle remains stable — preventing false fault conditions that would otherwise trigger unnecessary shutdowns and restart sequences.
On the I/O side, POINT I/O modules such as the 1734-IB8 digital input module and 1734-OB8 digital output module draw their operating power directly from the 24VDC bus. A stable, low-ripple supply from the 1606-XLP100E ensures that signal integrity is maintained across all I/O channels, reducing the risk of spurious signals that can disrupt production rhythm. When the 1734-AENT EtherNet/IP adapter is used to connect the POINT I/O rack to the control network, consistent power delivery is critical to maintaining communication latency within acceptable bounds for real-time control.
For drive-intensive applications, the 1606-XLP100E pairs naturally with the PowerFlex 525 or PowerFlex 755 variable frequency drives. While the drives themselves operate on the AC supply, their control boards, keypad interfaces, and communication adapters — such as the 22-COMM-E EtherNet/IP adapter — rely on a stable 24VDC auxiliary supply. The 1606-XLP100E fulfills this role reliably, ensuring that drive parameter settings, fault logs, and network communications remain active even during main power transitions.
HMI systems such as the PanelView Plus 7 also benefit from a dedicated, clean 24VDC source. Connecting the PanelView Plus 7 to the same 1606-XLP100E supply — or to a parallel unit from the same Bulletin 1606 family such as the 1606-XLP50E for lighter loads — ensures that operator interface responsiveness is not degraded by voltage sag during high-demand moments on the production line. For larger installations requiring higher current capacity, the 1606-XLP150E provides a natural upgrade path within the same product family, maintaining identical form factor and wiring compatibility.
Network infrastructure components, including the 1783-NATR NAT router used to segment machine networks from plant-level Ethernet, also depend on stable auxiliary power. Integrating the 1606-XLP100E into the network cabinet alongside these devices ensures that communication continuity is maintained during production, supporting real-time data exchange between the plant floor and MES or SCADA systems.
Power Optimization in Real Production Lines
The practical energy impact of the 1606-XLP100E becomes most visible in facilities running multi-shift operations with high panel density. In a packaging line with 12 control panels, each housing a CompactLogix controller, distributed I/O, and a PanelView terminal, replacing legacy linear power supplies with 1606-XLP100E units can reduce panel-level power consumption by 15–25% per cabinet. Across a full production line, this reduction compounds into significant monthly energy savings.
Beyond direct energy savings, the 1606-XLP100E contributes to predictive maintenance strategies. Its built-in DC OK signal output provides a real-time health indicator that can be wired into a 1769-IQ16 digital input module on the CompactLogix rack. Ladder logic or Function Block routines can monitor this signal continuously, triggering maintenance alerts before a power supply failure causes an unplanned line stoppage. This approach shifts maintenance from reactive to condition-based, reducing mean time to repair and improving overall equipment effectiveness (OEE).
The wide input voltage range (85–264VAC) also makes the 1606-XLP100E suitable for facilities with unstable grid conditions or those operating across multiple international voltage standards. This eliminates the need for separate step-down transformers in many installations, reducing both component count and energy losses in the power distribution chain.
All units supplied by ZYPLC are sourced from verified channels, undergo functional output testing prior to shipment, and are covered by a 12-month warranty. Stock availability is maintained to support both project builds and emergency replacement requirements, with fast dispatch to minimize production downtime.
Energy Optimization FAQ
Q: How much energy can the 1606-XLP100E save compared to a standard linear power supply?
A: The 1606-XLP100E operates at up to 91% efficiency, compared to 50–65% typical for linear power supplies. In a 100W application running 16 hours per day, this difference can reduce power supply energy consumption by 30–40%, with additional savings from reduced panel cooling requirements.
Q: Is the 1606-XLP100E compatible with existing CompactLogix and ControlLogix systems?
A: Yes. The 1606-XLP100E provides a standard 24VDC output compatible with all Rockwell Automation control platforms including CompactLogix, ControlLogix, MicroLogix, and associated I/O and drive systems. No firmware or configuration changes are required on the controller side.
Q: What is the recommended replacement or upgrade path if higher output power is needed?
A: For applications requiring more than 100W, the 1606-XLP150E (150W) or 1606-XLP240E (240W) are direct form-factor-compatible upgrades within the Bulletin 1606 XLP family. Wiring and DIN rail mounting remain identical, simplifying the upgrade process.
Q: What does the 12-month warranty cover, and how is pre-shipment testing conducted?
A: Every 1606-XLP100E unit shipped by ZYPLC is tested for output voltage accuracy, load regulation, ripple, and DC OK signal function before dispatch. The 12-month warranty covers functional failures under normal operating conditions. Units are traceable to shipment records, supporting warranty claims throughout the coverage period.
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