DeltaV VE4003S2B2 Fused I/O Termination Block

Product Description

The DeltaV VE4003S2B2 is identified in the supplied product information as a fused I/O termination block associated with an 8-channel analog input configuration. The specified signal range is 4-20 mA, with HART support, optical channel isolation, and 16-bit resolution. The listed electrical parameters cover signal measurement, local bus current, field circuit power, and optional fuse rating.

Technical Specifications

Signal Processing and Isolation

The specified 4-20 mA nominal range supports analog current signal measurement, while the extended 1-23 mA range provides additional measurement headroom and overrange checking. HART support allows digital communication over a compatible current loop, subject to the requirements of the complete I/O configuration.

Optical isolation separates each field channel from the system side. The supplied specifications list 100 VAC field-to-system isolation and a 1700 VDC factory test. These figures describe different test conditions and should not be treated as interchangeable operating-voltage ratings.

Accuracy and Response

The listed 16-bit resolution defines the nominal digital resolution of the analog measurement. Accuracy over temperature is specified as 0.1% of span, while repeatability is 0.05% of span. These are separate performance measures and do not, by themselves, establish total system measurement accuracy.

The rolloff frequency is specified at -3 dB at 2.7 Hz, with additional attenuation of -20.5 dB at half the sampling frequency. These values describe the stated frequency response; the sampling frequency is not provided in the supplied information.

Power and Fuse Requirements

The specified LocalBus current is 120 mA typical and 150 mA maximum per card at a nominal 12 VDC. The field circuit power figure is 300 mA maximum per card at 24 VDC (+10%). The optional 2.0 A fuse rating should be checked against the actual termination block configuration and applicable installation documentation before replacement or commissioning.

Frequently Asked Questions

Q: Does the VE4003S2B2 support HART communication?

A: Yes. The supplied specifications identify HART support for the listed 4-20 mA analog input configuration. Confirm the associated I/O card and system configuration support the required HART functions.

Q: What isolation is specified for this product?

A: Each channel is described as optically isolated from the system. The listed field-to-system isolation is 100 VAC, verified by a 1700 VDC factory test. These figures should be interpreted according to their respective test and operating conditions.

Q: Is the VE4003S2B2 an analog input card or a termination block?

A: The supplied product identification names it as a fused I/O termination block, while the accompanying specifications describe an 8-channel analog input configuration. Verify the exact hardware designation and associated I/O card before ordering or replacing the component.

Other Attributes

• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

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