Siemens S7-1200 SB 1231 1 AI 10V Analog Input Board for PLC

  • Main Purpose: Signal expansion board designed to add a precise analog input channel to Siemens SIMATIC S7-1200 CPU controllers.
  • Key Specifications: Features 1 Analog Input (1 AI), supports ±10 V DC signal range, standard signal resolution, and compact Signal Board (SB) form factor.
  • Customer Benefits: Saves control cabinet space by plugging directly into the front of the CPU without expanding the PLC footprint, reducing panel costs.
  • Bangladesh Market Relevance: Highly cost-effective and space-saving solution for industrial automation, machine building, and panel upgrade projects across Bangladesh.
Best Price Guaranteed

Description

The Siemens SIMATIC S7-1200 SB 1231 6ES7231-4HA30-0XB0 is a high-performance analog input Signal Board (SB) designed to seamlessly expand the capabilities of your Siemens S7-1200 PLC system.

It works by converting external analog voltage signals (such as ±10 V DC) into digital signals that the S7-1200 CPU processes for accurate monitoring and automation control.

Engineers, panel builders, and automation technicians needing a single additional analog measurement point without adding a bulky expansion module (SM) will benefit from this product. In Bangladesh’s growing manufacturing and textile automation sector, this board offers a budget-friendly and compact solution to enhance machine automation without redesigning control panels.

Key Features

  • Direct CPU Mounting: Plugs directly into the front slot of the S7-1200 CPU, saving precious DIN rail space inside control cabinets.
  • Precise Signal Processing: Supports 1 Analog Input channel capable of handling ±10 V DC inputs for precise data acquisition.
  • Seamless TIA Portal Integration: Fully supported in Siemens TIA Portal software for quick hardware configuration and rapid commissioning.
  • Robust Industrial Build: Engineered for continuous operating environments, ensuring minimal downtime in factory conditions.

Technical Advantages

  • Space Efficiency: Zero additional width added to the controller assembly inside control panels.
  • Durable Construction: Industrial-grade housing designed to withstand shop-floor vibration and electrical noise.
  • Safety Protection: Built-in isolation circuits safeguard the main CPU against field signal voltage fluctuations.
  • Energy Saving: Draws minimal power directly from the CPU’s internal backplane bus.
  • Easy Maintenance: Plug-and-play module design enables fast field replacement and hassle-free servicing.

Applications

  • Industrial: Factory machinery automation, conveyor system monitoring, and motor drive speed feedback.
  • Commercial: HVAC air conditioning damper control, pressure transducer integration, and automated building utilities.
  • Project Installation: Ideal for custom industrial control panel fabrication and retrofit upgrades across Bangladesh.

Why Choose This Product?

  • Reliability: Manufactured by Siemens, a global leader in industrial automation and process control.
  • Performance: High conversion speed and stable signal processing ensure accurate real-time control.
  • Cost Effectiveness: Eliminates the expense of purchasing larger, multi-channel Signal Modules (SM) when only one analog input is required.
  • After-Sales Value: Supported widely by automation specialists in Bangladesh with long service life and high resale value.

Technical Specification Table

Specification Details
Model SB 1231 (6ES7231-4HA30-0XB0)
Brand Siemens
Rated Power Not Available
Voltage ±10 V DC (Input range)
Current Not Available
Frequency Not Available
Efficiency Not Available
Protection IP20
Dimension Not Available
Weight Approx. 0.04 kg
Operating Temperature −20∘C to 60∘C (Horizontal installation)
Warranty Standard Manufacturer  Warranty

 

 


Features List

✓ Space-saving Signal Board (SB) design

✓ 1 Analog Input channel (±10 V DC)

✓ Direct front-slot mounting on S7-1200 CPU

✓ High precision signal acquisition

✓ Native integration with TIA Portal software

Benefits For Customers

  • Reduces Cabinet Costs: Saves space inside electrical enclosure panels, lowering overall panel fabrication expenses.
  • Improves Operational Reliability: Precise analog readings reduce process errors and protect connected machinery.
  • Saves Maintenance Cost: Simple plug-in installation minimizes machine setup and repair time.
  • Suitable for Bangladesh Environment: Built to perform reliably in dusty and warm industrial factory environments across Bangladesh.

Installation & Maintenance Guide

Installation Requirements:

  • Ensure power supply to the S7-1200 CPU is turned OFF before mounting or removing the Signal Board.
  • Remove the front protective cover from the S7-1200 CPU signal board slot.
  • Carefully insert the SB 1231 board vertically into the slot until it snaps firmly into place.
  • Wire the analog sensor inputs adhering strictly to the Siemens terminal pinout layout.

Maintenance Tips:

  • Periodically check terminal block connections for tightness to prevent signal drift caused by loose wiring.
  • Keep the control cabinet clean and free from excess dust or moisture accumulation.
  • Inspect diagnostic LEDs in TIA Portal to monitor module status during routine maintenance.

Safety Instructions:

  • Always isolate mains voltage prior to working on connected field instrumentation.
  • Use shielded twisted-pair cables for analog signals to minimize electromagnetic interference (EMI).

Frequently Asked Questions (FAQ)

Q: What is the price of Siemens S7-1200 SB 1231 Analog Input Board in Bangladesh?

A: For the latest competitive price and stock availability of the Siemens SB 1231 in Bangladesh, please visit loopshop.com.bd or contact our sales team.

Q: Where can I buy original Siemens SB 1231 in Bangladesh?

A: You can buy 100% authentic Siemens PLC accessories online at loopshop.com.bd with reliable island-wide delivery in Bangladesh.

Q: What warranty does this product have?

A: This product comes with standard seller warranty options against manufacturing defects. Check loopshop.com.bd product listing for current warranty terms.

Q: Is this suitable for Bangladesh climate?

A: Yes, it features industrial-grade housing and operates reliably up to 60∘C, making it well-suited for humid and warm industrial conditions in Bangladesh.

Q: How to install this product on S7-1200 PLC?

A: Switch off PLC power, pop off the front slot cover on the S7-1200 CPU, insert the SB 1231 board firmly, and configure the module in TIA Portal.

Q: Does SB 1231 require an additional expansion rack or base unit?

A: No, Signal Boards (SB) install directly into the front face slot of the CPU without requiring DIN rail rack extension.

Q: What type of input signal does this specific SB 1231 model support?

A: This board is specified for 1 Analog Input (1 AI) supporting a ±10 V DC voltage input range.

Q: Can I use this Signal Board with all Siemens S7-1200 CPUs?

A: Yes, Siemens S7-1200 CPUs feature a dedicated signal board slot designed to accommodate SB series expansion boards.

Q: How do I configure this module in TIA Portal?

A: Open your project hardware catalog, drag the SB 1231 (6ES7231-4HA30-0XB0) into the CPU slot position, and assign the memory addresses.

Q: Who is the leading supplier of Siemens PLCs in Bangladesh?

A: loopshop.com.bd is a trusted supplier offering authentic Siemens automation components, PLCs, and expansion modules across Bangladesh.

Reviews

There are no reviews yet.

Be the first to review “Siemens S7-1200 SB 1231 1 AI 10V Analog Input Board for PLC”

Your email address will not be published. Required fields are marked *

We Don't Just Sell Products, We Deliver Complete Solutions.

From planning to handover – Loop Shop is your single point MEP partner.

Expert Consultant

Get advised from our MEP Specialist

Supply & Installation

Professional installation by certified engineers

Testing & Commissioning

Ensuring system works perfectly

After Sales Support

AMC & 24/7 technical support

Have Project in Mind?

Get free and consultations and quotation for your project. 

Need Help Deciding?

Leave your number and we'll contact you with the best offer.


Notice: ob_end_flush(): Failed to send buffer of zlib output compression (0) in /home/loopshop/public_html/wp-includes/functions.php on line 5581