
Product Overview
The Emerson VE4031S2T2B1 KJ3201X1-BA1 is an 8-channel dry contact digital input module designed for use with the DeltaV™ control system. It provides reliable, energy-efficient signal monitoring for industrial automation in hazardous environments. The module supports redundant power supply configurations and integrates seamlessly into the DeltaV Series 2 architecture.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | VE4031S2T2B1 KJ3201X1-BA1 |
| Input Type | Dry Contact Digital Input |
| Number of Channels | 8 |
| Field Input Power | 24 VDC @ 5 mA/channel |
| Bussed Field Power | 24 VDC @ 100 mA |
| Local Bus Power | 12 VDC @ 150 mA |
| Operating Temperature | -40 °C to +70 °C |
| Vibration | 1 mm peak-to-peak (2–13.2 Hz), 0.7 g (13.2–150 Hz) |
| Shock | 10 g, half-sine wave, 11 ms |
| Humidity | 5–95% Non-condensing |
| Hazardous Location Approval | ATEX, IECEx (Zone 2) |
| Terminal Block Key Position | B1 |
| Dimensions | 107 × 41 × 105 mm |
| Weight | 0.3 kg |
Applications
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Petrochemical and chemical processing plants
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Power generation facilities
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Offshore and onshore oil & gas platforms
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Pharmaceutical manufacturing
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Water and wastewater treatment systems
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Industrial batch and continuous process control
Advantages
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Certified for Zone 2 hazardous areas
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8 independent input channels for flexible control
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Wide temperature and environmental tolerance
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Supports non-sparking, dry contact field connections
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High shock and vibration resistance
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Easy integration with DeltaV Series 2 systems
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Plug-and-play terminal block with keying system
Frequently Asked Questions (FAQ)
Q1: What type of input does the KJ3201X1-BA1 module support?
A1: It supports dry contact digital inputs.
Q2: How many input channels does the module provide?
A2: The module provides 8 input channels.
Q3: Is the module certified for hazardous environments?
A3: Yes, it is certified for ATEX and IECEx Zone 2 installations.
Q4: What are the operating temperature limits?
A4: It operates reliably from -40 °C to +70 °C.
Q5: Can the module be inserted or removed under power?
A5: No, it must be de-energized before removal or insertion.
Q6: Does the module require calibration?
A6: No, calibration is not required.
Q7: What kind of maintenance does it require?
A7: It has no user-serviceable parts and requires no internal maintenance.
Q8: What is the power consumption of the module?
A8: Local bus power is 12 VDC at 150 mA, and field power is 24 VDC at 5 mA per channel.
Q9: Is this module compatible with other Emerson I/O terminal blocks?
A9: Yes, provided the terminal block keying matches position B1.
Q10: Can the module be used in high humidity environments?
A10: Yes, up to 95% non-condensing relative humidity.
Related Emerson Series 2 or Compatible Models
| Model Number | Description | Channels | Input Type | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| KJ3221X1-BA1 | 8-Channel 24VDC DI Module (Wet Contact) | 8 | Wet Contact DI | 107 x 41 x 105 | 0.3 kg |
| KJ3241X1-BA1 | 8-Channel 24VDC DO Module | 8 | Digital Output | 107 x 41 x 105 | 0.3 kg |
| KJ3203X1-BA1 | 16-Channel DI Module | 16 | Dry Contact DI | 107 x 41 x 105 | 0.3 kg |
| KJ3222X1-BA1 | 16-Channel DI Module (Wet Contact) | 16 | Wet Contact DI | 107 x 41 x 105 | 0.3 kg |
| KJ4001X1-BA2 | Fieldbus Interface Module | N/A | Communication | 107 x 41 x 105 | 0.3 kg |
| KJ3242X1-BA1 | 16-Channel DO Module | 16 | Digital Output | 107 x 41 x 105 | 0.3 kg |
Popular Emerson Models
| Model Number | Description | Channels | Input/Output Type | Dimensions (mm) | Weight |
|---|---|---|---|---|---|
| KJ3001X1-BB1 | Controller Baseplate | N/A | N/A | 107 x 41 x 105 | 0.3 kg |
| KJ2003X1-BB1 | 12-Slot Baseplate | N/A | Backplane | 107 x 41 x 105 | 0.3 kg |
| KJ4010X1-BG1 | Power Supply Module | N/A | Power Supply | 107 x 41 x 105 | 0.3 kg |
| KJ3002X1-BG2 | 16MB Controller Module | N/A | Controller | 107 x 41 x 105 | 0.3 kg |
| VE4001S1T2B2 | DeltaV 16-Channel DI Module (Series 2) | 16 | Digital Input | 107 x 41 x 105 | 0.3 kg |
| VE4002S1T2B1 | DeltaV 16-Channel DO Module (Series 2) | 16 | Digital Output | 107 x 41 x 105 | 0.3 kg |
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