DeltaV VS3202 Redundant Logic Solver Emerson

VS3202 DeltaV SLS 1508 Redundant Logic Solver

Product Introduction

The DeltaV VS3202 belongs to the SLS 1508 series of redundant logic solvers. Emerson designed this module for high-availability safety applications. You can use it in emergency shutdown systems or fire and gas detection.

This logic solver includes a terminal block for easy wiring. Its input power rating is 24 V DC ±20% at 1.0 A. Additionally, it supports field power up to 4 A, with a total of 5.0 A including digital outputs. The VS3202 dissipates 24 W of heat under normal load.

Many engineers prefer the DeltaV SLS 1508 because of its redundant architecture. Redundancy ensures no single point of failure stops your process. Meanwhile, the module complies with global EMC and safety standards.

Technical Specifications

Power Requirements

• Input voltage: 24 V DC ±20%

• Input current: 1.0 A plus field power

• Total power: 5.0 A maximum

• Field power: 4 A maximum (depends on channel and device type)

• Heat dissipation: 24 W

• Current consumption: 2 A @ 24 V DC including digital output field loads

Physical Characteristics

• Weight: 1.2 Kg

Environmental Ratings

• Operating temperature: -40 to 70 °C (-40 to 158 °F)

• Storage temperature: -40 to 85 °C (-40 to 185 °F)

• Relative humidity: 5% to 95%, non-condensing

• Airborne contaminants: ISA-S71.04-1985 Class G3

• Protective coating: Yes

Enclosure and Safety

• Enclosure rating: IP20, NEMA 12

• European EMC Directive: EN61326-1, Class A

• NAMUR NE21 compliant for EMC

• Low Voltage Directive: IEC 61010-1

Mechanical and Environmental Data

Shock and Vibration

• Shock resistance: 10 g half-sine wave for 11 ms

• Vibration: 1 mm peak-to-peak from 5 to 16 Hz

• Vibration: 0.5 g from 16 to 150 Hz

Hazardous Area Approvals

• Factory Mutual: Non-incendive, Class 1, Div 2, Groups A, B, C, D, T4

• ATEX: 3 G EEx IIC-nA T4 per EN50021:1999

• CSA: 1010 certified

Installation Guidelines

First, mount the VS3202 inside an enclosure with IP20 or better protection. Ensure adequate airflow because the module dissipates 24 W of heat. Next, connect the 24 V DC supply using the included terminal block.

For field wiring, keep digital output cables separate from low-voltage signal lines. Use shielded cables for long runs. The maximum field power per channel depends on your device type. Refer to the DeltaV SLS 1508 manual for detailed current limits.

Finally, perform a loop check after installation. Test each redundant path separately. This step confirms that the logic solver switches over without process interruption.

Packaging List

• DeltaV VS3202 Redundant Logic Solver with terminal block

• Product label and basic installation sheet

• No certificates or warranty documents included

Shipping method: FedEx, UPS, DHL

Frequently Asked Questions (FAQ)

1. Can the VS3202 replace a non-redundant logic solver?
Yes, but you must reconfigure your safety logic. The redundant design requires two power feeds and separate I/O assignment. Consult your Emerson manual before replacement.

2. What happens if one logic solver fails?
The second unit continues execution without interruption. An alarm triggers on your DeltaV workstation. You can replace the failed module while the system stays online.

3. Does the DeltaV SLS 1508 work with ordinary digital sensors?
Yes, however field power must match the sensor rating. The module supplies up to 4 A total. For example, 24 V DC sensors work directly. For 120 V AC sensors, use an external interposing relay.

4. How do I clean the VS3202 in a dusty environment?
Use dry compressed air at low pressure. Do not use liquid solvents. The module has a protective coating but liquids may damage terminal block connections.

5. Is the terminal block removable?
Yes, the included terminal block can be detached. This feature speeds up replacement. Always disconnect field power before removing the terminal block to avoid short circuits.