Schneider Electric

Schneider Electric STBACI0320K Modicon STB Analog Input Module

SKU STBACI0320K

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Schneider Electric

  • Product No.: STBACI0320K

  • Country of origin:France

  • Product Type: Analog Input Modules

  • Payment: T/T, Western Union

  • Weight: 150g

  • Dimensions: 27 mm x 130 mm x 80 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

Description

The Schneider Electric STBACI0320K is a high-precision analog input module developed for the Modicon STB distributed I/O platform. This module features four differential input channels designed to interface with field transmitters and sensors operating on standard current loops. It supports input signals of 0 to 20 mA and 4 to 20 mA, converting them into digital values with a resolution of 15 bits plus sign. The differential configuration provides excellent noise immunity, making it ideal for electrically noisy industrial environments.

Operating as a component within the Modicon STB island, this module communicates directly over the island bus to interface with main controller networks through STB network interface modules (NIMs). Its compact footprint and high-density channel configuration allow for efficient utilization of control cabinet space while maintaining accurate signal conversion and diagnostics.

Features

  • Four differential analog input channels.
  • Selectable current input ranges: 0 to 20 mA and 4 to 20 mA.
  • High conversion resolution of 15 bits plus sign.
  • Differential input design for improved common-mode noise rejection.
  • Hot-swappable module replacement on the STB base assembly.
  • LED diagnostic indicators for module status, channel activity, and bus communication.

Applications

  • Process monitoring and control in oil and gas facilities.
  • Water and wastewater treatment plants.
  • Chemical processing systems.
  • Power generation and distribution control systems.
  • General factory automation and remote I/O stations.

Technical Specifications

Manufacturer Schneider Electric
Part Number / Model STBACI0320K
Product Series Modicon STB / Advantys STB
Module Type Analog Input Module
Number of Channels 4 differential
Input Range 0 to 20 mA, 4 to 20 mA
Resolution 15 bits + sign
Absolute Accuracy Error +/-0.1% of full scale at 25 degC
Input Impedance 250 Ohms (nominal)
Bus Current Consumption 120 mA at 5 VDC
Isolation Voltage 1500 Vrms for 1 minute between inputs and bus logic
Dimensions (W x H x D) 27 mm x 130 mm x 80 mm
Weight 0.15 kg
Country of Origin France

Connections and Interfaces

Terminal Pin Signal Designation Description
1 In 1 + Channel 1 Positive Input
2 In 1 - Channel 1 Negative Input
3 In 2 + Channel 2 Positive Input
4 In 2 - Channel 2 Negative Input
5 In 3 + Channel 3 Positive Input
6 In 3 - Channel 3 Negative Input
7 In 4 + Channel 4 Positive Input
8 In 4 - Channel 4 Negative Input

Installation Guidelines

The module must be mounted onto a compatible Modicon STB I/O base (such as the STBXBA1000 or STBXBA2000). Ensure the DIN rail is properly grounded and that shielded cables are used for all analog input runs to prevent electromagnetic interference. Connect the cable shield to the designated functional ground terminal on the STB assembly. Under no circumstances should the module be inserted into an incompatible base type, as this can cause physical damage to the module connectors.

Compliance and Certifications

  • CE
  • UL
  • CSA
  • FM Class 1 Division 2
  • ATEX Category 3G

FAQ

What is the resolution of the STBACI0320K analog input module?

The module provides a high conversion resolution of 15 bits plus sign.

What input signal ranges does this module support?

It supports standard analog current input loops of 0 to 20 mA and 4 to 20 mA.

Does the STBACI0320K support hot-swapping?

Yes, as part of the Modicon STB distributed I/O system, the module can be hot-swapped (removed or inserted under power) when used with the appropriate base assembly.

What base modules are compatible with this input module?

It is compatible with standard Modicon STB I/O base modules, typically the STBXBA1000 or STBXBA2000.

View all FAQs →

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Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
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Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
France

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