Kniel 301-008-09 CP5.10/VME Power Supply
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Product Information
The Kniel 301-008-09 CP5.10/VME is a 50 W regulated plug-in cassette power supply module from the Compact Power family. Designed as a 19-inch 3U Eurocard cassette, this device converts utility power across a wide AC input voltage range from 93 V AC to 264 V AC at 47 to 63 Hz into a regulated 5 V DC output rated for up to 10 A continuous current. Engineered specifically for process computing racks, telecommunications equipment, test instrumentation, and legacy industrial control chassis, the unit provides clean voltage distribution with a maximum residual ripple and noise specification of 10 mV peak-to-peak.
Connection to the subrack environment is managed through a rear DIN 41612 Type H15 connector, which interfaces power routing, sense feedback, and VMEbus signal lines directly with the backplane. Commissioning a replacement unit requires mechanical slide-in installation into a matching 3U subrack slot and secure mating against the backplane connector. To address voltage drop across long backplane power runs, the module features an adjustable output voltage range between 4.5 V DC and 5.5 V DC, which can be fine-tuned directly on the unit. ABC Industrial Parts can assist in sourcing replacement units and tested spares to ensure continuous system power integrity.
Operational diagnostics and power system protection are integrated directly into the hardware design. A front-panel DC OK / Output status LED provides visual status, illuminating solid during nominal output operation and turning off during loss of AC input, overload conditions, output overvoltage trips, or internal component faults. Hardware-level ACFAIL and SYSRESET lines monitor primary AC input health and issue early warnings to host VMEbus controllers to safe-state volatile memory before DC rails collapse. When an output fault cannot be cleared by power-cycling or verifying external loads, internal board-level faults require unit repair or module replacement through ABC Industrial Parts.
Technical Specifications
| Manufacturer | Kniel |
| Part Number | 301-008-09 |
| Model / Type | CP5.10/VME |
| Product Family | Compact Power |
| Component Type | Power Supply |
| Rated Power | 50 W |
| Nominal Output Voltage | 5 V DC |
| Output Voltage Range | 4.5 - 5.5 V DC |
| Output Current | 10 A |
| Supply Voltage Range | 93 - 264 V AC |
| Supply Frequency | 47 - 63 Hz |
| Residual Ripple and Noise | 10 mV |
| Form Factor | 19-inch 3U Eurocard Cassette |
| Backplane Connector Interface | DIN 41612 Type H15 |
Communication and System Integration
The Kniel 301-008-09 CP5.10/VME connects to subrack structures using a robust DIN 41612 Type H15 high-current mating connector. Mounted at the rear of the 3U cassette, this connector interface carries primary output current directly to the 5 V DC backplane rails while linking line sensing and dedicated VMEbus control signals.
System integration includes specialized VMEbus power fail detection circuitry. The module actively monitors AC input lines and provides hardware-driven ACFAIL and SYSRESET signals directly across the backplane pins, alerting processing units to initiate memory protection and orderly software shutdown procedures prior to output voltage decay.
Diagnostics and Status Indication
Visual status monitoring for the CP5.10/VME is located on the front panel via a dedicated status indicator. Continuous visual confirmation allows maintenance personnel to verify output stability without interrupting subrack operation or disconnecting backplane loads.
In addition to visual indication, the module provides real-time hardware status monitoring via the VMEbus backplane interface. Loss of AC mains, internal supply faults, or overvoltage conditions automatically trigger line state changes on the ACFAIL and SYSRESET lines to protect connected digital logic.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DC OK / Output | Solid / Off | Solid indicates active 5V DC output within normal operating tolerance. Off state indicates missing mains input, overvoltage trip, output overload, or internal power supply failure. |
Replacement and Spare Part Considerations
When swapping out a Kniel 301-008-09 CP5.10/VME module, confirm that the receiving subrack uses a standard 19-inch 3U Eurocard cassette slot equipped with a mating DIN 41612 Type H15 connector. The wide universal AC input range (93 V AC to 264 V AC) allows direct installation without setting hardware jumpers or input range switches.
After sliding the replacement unit into the subrack chassis, measure the 5 V DC rail voltage directly at critical backplane load points. If voltage drops occur across long backplanes or high-density subracks, use the front-panel potentiometer adjustment to tune the supply within its 4.5 V DC to 5.5 V DC range until nominal 5.0 V DC is verified at the system boards.
Frequently Asked Questions
What are the primary power output specifications of the Kniel 301-008-09 CP5.10/VME?
The module provides a regulated nominal output of 5 V DC at up to 10 A continuous current, delivering a maximum rated power output of 50 W.
How does the CP5.10/VME handle power loss in VMEbus subracks?
The power supply features integrated VMEbus power failure detection that asserts hardware ACFAIL and SYSRESET signals directly to the backplane, giving the host system early warning to execute memory protection and controlled shutdown routines.
Is the 5V DC output voltage adjustable on the Kniel 301-008-09?
Yes, the output voltage can be adjusted between 4.5 V DC and 5.5 V DC to compensate for voltage drops across subrack backplane traces.
What connector is used to attach the supply to a backplane?
The CP5.10/VME utilizes a standard DIN 41612 Type H15 connector located on the back of the 3U cassette module.
What does an unlit DC OK / Output LED indicate?
An unlit LED indicates a loss of AC input mains power, an overvoltage condition, an output short circuit or overload, or an internal power supply failure.
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Disclaimer:
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