The Emerson DeltaV KJ3002X1-BC1, also cataloged as the KJ3002X1-BC1 Analog Input Module, operates as a dedicated hardware component for 4-20 mA signal digitization within Emerson DeltaV platforms.
Hardware Specifications
Parameter
Specification
Model
KJ3002X1-BC1
Brand
Emerson DeltaV
Origin
USA
Weight
0.2 kg
Dimensions
42 mm x 125 mm x 105 mm
Operating Temp
0 to +60 deg C
Power Consumption
9.0 W
Input Signal Range
4-20 mA
Input Channels
8 Channels
Measurement Accuracy
+/-0.1% of full scale
Local Bus Power
12 VDC at 150 mA
Field Circuit Power
24 VDC at 300 mA
Relative Humidity
5% to 95% (non-condensing)
Channel-to-Channel Isolation and Loop Signal Processing
4-20 mA HART Loop Protocol Processing: Converts 8 channels of 4-20 mA field transmitter analog inputs into calibrated digital process variables with +/-0.1% full-scale precision.
Galvanic Noise Suppression: Provides channel-to-system isolation barriers that decouple ground loop currents and protect backplane logic from field transients.
Dual Power Rail Interfacing: Draws 12 VDC at 150 mA from the backplane local bus for digital communication while utilizing a 24 VDC at 300 mA auxiliary power connection for loop transmitter excitation.
Frequently Asked Questions
Q: How does the KJ3002X1-BC1 draw operating power from the DeltaV enclosure assembly?
A: The module splits logic and field loop power, drawing 12 VDC at 150 mA directly from the local backplane bus and requiring 24 VDC at 300 mA field circuit power via the carrier terminal block.
Q: Can the module withstand high-vibration industrial environments?
A: Yes, the unit is rated for shock resistance up to 10g (1/2 sine wave for 11 ms) and vibration resistance of 1 mm peak-to-peak from 5-16 Hz and 0.5g from 16-150 Hz.
Q: What are the hot-swap limits when replacing a faulty KJ3002X1-BC1 module?
A: The card supports Removal and Insertion Under Power (RIUP) on powered DeltaV carrier bases without interrupting adjacent I/O channel execution on the local bus.
Field Installation Guidelines
Carrier Latching: Slide the module vertically into the dedicated DeltaV carrier slot until top and bottom locking levers click securely into place.
Shield Earthing Rules: Ground incoming 4-20 mA twisted-pair cable drain wires directly to the carrier grounding bar to prevent common-mode noise coupling.
Power Cabling Distances: Maintain strict physical separation of at least 50 mm between 24 VDC field input wiring and high-voltage AC power cables.
Fastener Torque Limits: Tighten terminal block wiring screws to a torque rating between 0.5 and 0.6 Nm to ensure gas-tight electrical contact.
