Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ABB / SattControl |
| Model | IDPG 940128102 |
| Product Type | Digital Input Module |
| Module Designation | IDPG24 |
| I/O Type | Digital Input |
| Number of Inputs | 32 channels |
| Input Voltage | 24VDC |
| Signal Type | Discrete ON/OFF field signals |
| Application Platform | SattControl PLC / I/O systems |
| Installation | SattControl rack or I/O carrier |
| Input Isolation | Module-dependent |
| Field Connection | Industrial terminal interface |
| Operating Environment | Industrial automation cabinets |
| Status | Obsolete legacy spare part |
Product Introduction
ABB SattControl IDPG 940128102 Overview
The ABB SattControl IDPG 940128102 is a 32-channel digital input module designed for SattControl PLC and industrial automation systems. It collects discrete signals from field devices such as switches, sensors, limit contacts, and interlocks, then transfers this status information to the controller for logic processing.
The ABB IDPG 940128102 remains in service in many legacy SattControl installations where maintaining the existing control architecture is preferred. Replacement requires checking the exact I/O configuration, module revision, and controller software database because older SattControl systems are closely tied to their original hardware setup.

IDPG 940128102
Application Scenarios & Field Pitfalls (The Engineer’s Perspective)
Engineering Pain Point
A machine suddenly reports multiple failed field signals at the same time. Operators replace sensors, check wiring, and still cannot restore operation. The actual failure is often inside the I/O layer.
Digital input modules like the IDPG 940128102 sit between field devices and the PLC logic. A failed input channel, damaged terminal connection, or incorrect voltage reference can make a healthy field device appear faulty.
Typical Applications
- Manufacturing Equipment – Machine sequence control using limit switches, proximity sensors, and safety interlocks.
- Water Treatment Systems – Pump status monitoring, valve position feedback, and alarm signal collection.
- Food and Beverage Plants – Digital monitoring of conveyors, motors, and process equipment.
- Industrial Process Systems – Discrete feedback signals from field instruments and auxiliary equipment.
Technical Pitfalls to Avoid
- Verify Input Voltage Before Installation
The IDPG 940128102 is designed for 24VDC digital signals. Applying an incorrect voltage level can damage the input circuitry.
- Confirm Module Version and Hardware Revision
Legacy SattControl I/O modules may have similar part numbers with different revisions. Match the complete identification label before replacement.
- Check Field Wiring Condition
When multiple input points fail together, inspect common power supplies, terminal blocks, and field return wiring before assuming the module is defective.
Related Products
- ABB SattControl IDPG 940128102/5ED
Variant of the IDPG digital input module family. Used for similar 32-channel digital input applications with revision-specific differences. - ABB SattControl IDPG 940128101
Related IDPG module version used in the same SattControl digital input family. Application depends on installed controller configuration. - ABB SattControl ODP Digital Output Modules
Complementary output modules used for driving relays, solenoids, contactors, and actuators in SattControl systems. - ABB SattControl SattCon PLC Controllers
PLC platforms commonly associated with SattControl I/O modules such as IDPG. - ABB SattControl ICA I/O System
Related legacy I/O architecture used for distributed signal acquisition and control. - ABB SattControl S200 I/O Modules
Later ABB Satt I/O family used in SattLine and related control platforms. - ABB CI626A 3BSE005029R1
Advant Fieldbus communication interface module. Used in ABB Advant DCS systems rather than SattControl I/O racks. - ABB PM865K01 3BSE031151R1
AC800M controller package used in newer ABB automation systems when migrating from older SattControl platforms.
