Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
3. Product Introduction (Anti-Template)
Temperature measurement remains one of the most common and critical loops in process plants. The KJ3002X1-BF1 is the dedicated 8-channel RTD input card used on DeltaV M-Series carriers.
It provides the signal conditioning, lead-wire compensation, and analog-to-digital conversion needed to bring RTD measurements into the control system with the accuracy and diagnostics expected in continuous process applications. Plants running DeltaV keep this module available because a failed RTD card can take multiple temperature points offline until a compatible replacement is installed and the channels are re-commissioned.
KJ3002X1-BF1
KJ3002X1-BF1
KJ3002X1-BF1
4. Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | KJ3002X1-BF1 |
| Description | 8-Channel RTD Input Module |
| System Compatibility | Emerson DeltaV M-Series / Series 2 |
| Number of Channels | 8 |
| Input Type | RTD / Resistance (Ohms) |
| LocalBus Power | 12 VDC at 160 mA |
| Field Circuit Rating | 5.5 VDC at 0.6 mA per channel |
| Terminal Block Key Position | B2 |
| Ambient Temperature | 0 °C to 60 °C |
| Hazardous Area Rating | II 3 G, EEx nL IIC T4 (Zone 2 / ATEX) |
| Contaminant Rating | ISA-S71.04 Class G3 |
| Hot Swap | Supports Removal and Insertion Under Power (under specified conditions) |
5. Field Application & Technical Pitfalls (The Engineer’s Guide)
This module is used wherever multiple RTD temperature points must be brought into a DeltaV system — reactors, heat exchangers, bearing temperatures, pipeline temperatures, and similar applications.
Three pitfalls appear during replacement:
Terminal block keying – the card requires the correct B2-keyed terminal block. Using an incorrect key position prevents proper mating or can damage the connectors.
RTD wiring and compensation – 2-wire, 3-wire, or 4-wire configurations must match the module configuration and field wiring; incorrect lead compensation produces offset errors.
Power and carrier compatibility – confirm the carrier and power supply support the LocalBus current draw and that field power (if used) is correctly supplied.
One plant replaced an RTD card and immediately saw large temperature offsets on several channels. The new card was healthy; the terminal block had been swapped with a non-B2 keyed block during a previous outage, causing intermittent contact. Installing the correct keyed terminal block restored accurate readings.
6. Quality Control (QC) SOP & Transparency
- Inbound Verification – OEM labeling, full part number (KJ3002X1-BF1), and date codes are photographed and checked against the packing list; any signs of prior field use are noted.
- Live Rig Testing – module is installed on a known-good DeltaV carrier, powered, and verified for successful power-up and status LED behavior.
- Parameter Testing – basic channel recognition and communication with the controller are confirmed where test equipment is available.
- Final QA & Packaging – unit is sealed in an anti-static bag with desiccant, fitted with a QC-passed label showing test date and technician ID, then double-boxed for shipment.
7. Frequently Asked Questions (FAQ)
What is the KJ3002X1-BF1?
It is an 8-channel RTD input module for the Emerson DeltaV distributed control system.
How many channels does it have?
Eight RTD / resistance input channels.
What is the LocalBus power requirement?
12 VDC at 160 mA.
What terminal block key position does it use?
Key position B2.
What warranty comes with a new-surplus unit?
Twelve months from shipment against defects in materials and workmanship when installed within the published ratings.
How do I confirm the module is healthy after installation?
Install the card on the correct carrier with the matching keyed terminal block, apply system power, verify the module is recognized by the DeltaV system, and check that the RTD channels report valid temperatures without diagnostic alarms.
