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Standard Signal Conditioners

Bulletin 931S Standard Signal Conditioners

Bulletin 931S Standard Series Signal Conditioners provide additional functionality and application coverage over the Bulletin 931H series. They are available in compact sizes ranging 12.5...22.5 mm wide. These products provide isolation and conversion solutions for a wide range of current, voltage, temperature (thermocouples and RTDs), potentiometer, resistance, and frequency signals. These products also support line-monitoring, bridge rectifier (weigh scale), frequency, and signal splitting applications.

Features

  • Provides 2- or 3-way electrical isolation
  • Easily programmable with the DIP switches located on the removable printed circuit board
  • Removable terminal blocks allow you to change functionality by re-programming or by easy replacement of an installed device
  • Uses Bulletin 1492 jumpers to easily provide power to a series of signal conditioners mounted together on a DIN rail

Products

Current/Voltage Signal Conditioners

  • 931S-A1A1N-DC — Active Isolator, 3-Way
  • 931S-A1A1N-IP1 — Passive Isolator, 1-Channel
  • 931S-A1A1N-IP2 — Passive Isolator, 2-Channel
  • 931S-A2A2N-DC — Active Isolator
  • 931S-A2A5N-OP — Passive Isolator, Splitter
  • 931S-C1A2D-OP — Passive Converter
  • 931S-C3C3J-DC — Active Converter, 3-Way
  • 931S-C4C5D-BC — Active Converter, 3-Way

RTD Signal Conditioners

  • 931S-P1C2D-DC — Active Converter, 3-Way, RTD

Thermocouple Signal Conditioners

  • 931H-T9C2D-DC — Universal Thermocouple, 3-Way

Bridge Rectifier (Strain Gauge, Load Cell) Signal Conditioner

  • 931S-B1C6D-DC — Bridge Converter, 3-Way

Frequency Signal Conditioner

  • 931S-F1C2D-DC — Frequency Converter, 3-Way

Line-Monitoring Signal Conditioners

  • 931S-A3A2D-OP — Passive Converter, Monitoring – Loop Powered
  • 931S-A3C2D-DC — Active Converter, Monitoring
  • 931S-A4C2D-DCHALL — Active Isolator – Hall-Effect Monitoring
  • 931S-C2R1D-DC2R — Active Isolator, 3-Way, Limit Value Monitoring
  • 931S-V1R1D-MC1R — Isolator, 3-Way, Monitoring 

Certifications

  • cULus, cURus, and CSA

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Learn More

These DIN-rail mounted analog signal conditioners are compatible with all types of integrated PLC and DCS I/O systems and can be integrated with our PlantPAx™ Process Automation System to leverage a single control platform for batch, drives, motion control, process and safety. Learn more about these Rockwell Automation Process Solutions.

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Accessories

We offer a variety of accessories for your Signal Conditioners, including:

  • Jumpers
  • Markers

View all Signal Conditioner accessories

Applications

Analog Signal Conditioners are used wherever temperature, pressure, level, flow, weight, and speed are measured and controlled as part of a continuous or batch production process. Analog Signal Conditioners help to prevent these measurements from being degraded on their way from the field to the control room by providing protection from external influences or problems that result from the installation methods used. Typical industries include:

  • Power plants
  • Steel production
  • Water and wastewater plants
  • Oil and gas production
  • Chemical processing

See how our Signal Conditioners can help you solve problems in a variety of applications:

Customer Success

  • Case Studies — View our case studies site to discover how customers have applied Allen-Bradley® products in their applications.