Overview
Configured for 4-20 mA HART signal execution in the Emerson DeltaV system, the Emerson KJ3002X1-BE1 (KJ3002X1-BE1 Analog Output Module) provides direct physical and electrical output control through 8 analog channels.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | KJ3002X1-BE1 |
| Brand | Emerson |
| Origin | USA |
| Product Type | Analog Output Module |
| Spare Model | 12P0682X052 |
| Weight | 0.2 kg |
| Dimensions | 12.7 cm x 5.1 cm x 12.7 cm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | LocalBus power: 12 VDC at 150 mA; Bussed Field Power: 24 VDC at 300 mA |
| Output Channels | 8 channels |
| Output Signal | 4-20 mA |
| Communication Protocol | HART |
| Field Circuit Rating | 24 VDC at 23 mA |
| Hazardous Area Certification | II 3 G, EEx nL IIC T4, Nemko No. 02ATEX431U |
| Terminal Block Key Position | A4 |
| IP Rating | IP 20 |
| Relative Humidity | 5 to 95% non-condensing |
| Shock Resistance | 10 g half-sine wave for 11 ms |
| Vibration Resistance | 1 mm peak to peak from 5 to 16 Hz; 0.5 g from 16 to 150 Hz |
| Airborne Contaminants | ISA-S71.04-1985 Class G3 |
4-20 mA HART Process Output Technology
The Emerson KJ3002X1-BE1 integrates 4-20 mA HART output capability for analog signal transmission within DeltaV process control architectures. Moreover, the module provides 8 independent output channels for field device control and process variable adjustment.
The module supports channel-based analog output circuits with a 24 VDC field circuit rating. In addition, the design includes electrical separation between system-side power distribution and field-side signal circuits for process instrumentation applications.
The HART communication layer allows parameter exchange with compatible field instruments while maintaining standard current loop output operation.
Frequently Asked Questions
Q: How many analog output channels does the KJ3002X1-BE1 provide?
A: The module provides 8 analog output channels with 4-20 mA signal capability and HART communication support.
Q: Can the KJ3002X1-BE1 be removed while field power remains connected?
A: Field power supplied at the field terminal or through bussed field power must be removed before removing or connecting the device. Removal with energized system power is only permitted under the specified DeltaV installation conditions.
Q: Does the KJ3002X1-BE1 require user calibration or internal maintenance?
A: The module contains no user-serviceable parts and does not require calibration according to the provided technical documentation.
Field Installation Guidelines
Install the KJ3002X1-BE1 according to Emerson DeltaV Zone 2 installation requirements and the applicable hazardous area documentation.
Verify that the terminal block key position matches the I/O card configuration before installation. Additionally, confirm wiring polarity, field power isolation, and loop assessment requirements before commissioning.
Route analog signal wiring separately from high-voltage power cables to reduce electrical interference. Use appropriate shield grounding practices according to the plant instrumentation standard.
The module uses a rotary keying system to prevent incorrect terminal block installation. Confirm the wiring diagram located on the card side before connecting field circuits.
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