Overview
Configured for regulated DC power conversion in Emerson DeltaV S-Series and M-Series systems, the Emerson KJ1501X1-BK1 (KJ1501X1-BK1 System DC/DC Power Supply Module) provides direct power conditioning for controller, I/O module, and backplane electronics.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KJ1501X1-BK1 (12P4685X062) |
| Brand | Emerson |
| Origin | United States |
| Module Type | System DC/DC Power Supply Module |
| System Compatibility | Emerson DeltaV S-Series / M-Series |
| Input Voltage | 24 VDC nominal, 19.2 VDC to 28.8 VDC input range |
| Input Current | Approx. 4.5 A to 6.1 A depending on load |
| Primary Output | 12 VDC at 8 A max up to 60 deg C; 6 A max up to 70 deg C |
| Auxiliary Outputs | 5.1 VDC at 2.0 A; 3.4 VDC at 2.0 A |
| Auxiliary Output Power | Up to 10.2 W combined |
| Power Consumption | Based on connected DeltaV system load and input conditions |
| Weight | Approx. 0.7 kg to 0.98 kg |
| Dimensions | Not specified in supplied documentation |
| Operating Temp | -40 deg C to +70 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Relative Humidity | 5% to 95% non-condensing |
| Vibration Resistance | 1 mm peak-to-peak from 2 Hz to 13.2 Hz; 0.7 g from 13.2 Hz to 150 Hz |
| Shock Resistance | 10 g, 1/2 sine wave for 11 ms |
| Airborne Contaminants | ISA-S71.04-1985 Class G3 compliant |
| Isolation Type | Galvanic isolation between external DC input and internal power rails |
DeltaV Power Distribution and Isolation Characteristics
The Emerson KJ1501X1-BK1 applies isolated DC conversion technology to maintain separated internal supply rails for DeltaV control hardware. It accepts a 24 VDC input source and generates regulated outputs for system controllers, I/O assemblies, and backplane electronics.
Additionally, the module supports DeltaV system power architectures where stable DC distribution is required across multiple electronic assemblies. The galvanic isolation design reduces the influence of field-side electrical noise, ground potential differences, and external DC disturbances.
For DeltaV process control installations, the module operates within the same engineering environment as other Emerson controller and I/O components. It supports channel-to-channel electrical separation requirements commonly applied in distributed control system power layouts.
Frequently Asked Questions
Q: What input voltage range does the KJ1501X1-BK1 support?
A: The module accepts a 24 VDC nominal input with an operating range of 19.2 VDC to 28.8 VDC.
Q: Does the KJ1501X1-BK1 provide multiple DC output rails?
A: Yes. The module provides a primary 12 VDC output and auxiliary 5.1 VDC and 3.4 VDC outputs for DeltaV system electronics.
Q: Can the KJ1501X1-BK1 be replaced during system operation?
A: The module design supports hot-swappable replacement within compatible DeltaV power architectures. Installation procedures must follow the applicable DeltaV system maintenance documentation.
Field Installation Guidelines
- Install the KJ1501X1-BK1 only in compatible Emerson DeltaV power supply carriers or assemblies.
- Verify the 24 VDC input polarity before energizing the module.
- Use properly rated DC wiring and maintain separation between power wiring and high-noise field cables.
- Connect protective grounding according to the DeltaV system installation requirements.
- Inspect connector contacts and backplane interfaces before module insertion.
- Confirm output voltage levels before connecting downstream control hardware.
- Maintain adequate enclosure ventilation to keep the operating temperature within the specified range.
- Avoid installing the module near sources of excessive electromagnetic interference or mechanical vibration.
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