Overview
Configured for AC-to-DC power conversion and regulated DC power distribution, the Emerson 1X00797H01L (1X00797H01L Power Module) provides direct electrical execution for industrial automation and process control hardware. It accepts an 85 VAC to 264 VAC input range and delivers 24 VDC to 28 VDC output power with a maximum output current of 20 A. The module supports loads up to 480 W under the specified operating conditions.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1X00797H01L |
| Brand | Emerson |
| Product Category | Industrial Power Modules |
| Input Voltage Range | 85 VAC to 264 VAC |
| Output Voltage | 24 VDC to 28 VDC |
| Maximum Output Current | 20 A |
| Power Rating | 480 W |
| Efficiency | Up to 94% |
| Operating Temp | 0 deg C to 55 deg C, depending on deployment environment |
| Dimensions | Approx. 133 mm x 133 mm x 44 mm |
| Power Consumption | Determined by connected output load and conversion losses |
| Primary Function | AC-to-DC power conversion and regulated DC power supply |
Process Control Power and Signal Isolation
The Emerson 1X00797H01L supplies regulated DC power to connected industrial control hardware. In process control installations, power distribution should be separated from low-level analog signal circuits where possible to reduce conducted electrical interference.
For systems using 4-20 mA HART loops, power wiring and instrument signal wiring should follow separate routing paths unless the installation design specifically permits combined cabling. In addition, channel-to-channel isolation requirements depend on the connected I/O hardware and the overall system architecture rather than the power module alone.
Frequently Asked Questions
Q: Can the Emerson 1X00797H01L operate directly from common industrial AC supplies?
A: The specified input range is 85 VAC to 264 VAC. The incoming supply must remain within this range and comply with the installation requirements of the associated control equipment.
Q: What DC output load can the module support?
A: The module is specified for output voltages from 24 VDC to 28 VDC, with a maximum output current of 20 A and a maximum power rating of 480 W.
Q: Is hot-swap operation specified for this module?
A: Hot-swap capability is not specified in the provided technical data. Do not assume live insertion or removal capability without confirmation from the applicable Emerson system documentation.
Field Installation Guidelines
Install the Emerson 1X00797H01L in accordance with the mechanical mounting requirements of the associated cabinet or control system.
- Verify the AC input voltage before energizing the module.
- Confirm correct polarity at all DC output connections.
- Size input and output conductors according to the installation current and applicable electrical standards.
- Route AC power wiring separately from low-level analog and communication cables where practical.
- Maintain proper protective grounding for the enclosure and associated power distribution system.
- Provide sufficient ventilation and maintain the installation environment within the specified 0 deg C to 55 deg C operating range.
- Verify output voltage and connected load conditions before placing the associated control hardware into service.
- Do not assume redundant, hot-swap, or parallel power-sharing operation unless supported by the complete system design.
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