Product Introduction
The Schneider STBDDI3725KS Basic Digital Input Kit is part of the Modicon STB range of modular distributed I/O solutions. This kit provides 16 discrete inputs with positive logic and a rated supply voltage of 24V DC. Designed for industrial automation, it is compatible with most major fieldbus networks and supports flexible integration into control systems.
The kit includes STBXTS1180 (18-terminal screw connector), the STBDDI3725 input module, and STBXBA3000 base. It features integrated power protection with a 5A fuse and is IP20 rated for safe industrial use. The STBDDI3725KS is certified by FM Class 1 Division 2, CE, UL, and CSA and meets EN/IEC 61131-2 type 3 standards.
Product Specifications
| Parameter |
Description |
| Product Name |
Basic Digital Input Kit |
| Model |
STBDDI3725KS |
| Category |
Digital Input Module |
| Series |
Modicon STB |
| Number of Inputs |
16 discrete inputs |
| Input Logic |
Positive logic |
| Rated Supply Voltage |
24V DC |
| Current Consumption |
100 mA at 5V DC for logic bus |
| Connection Type |
18-terminal screw connector |
| Mounting |
Compatible with STBXBA3000 base |
| Protection Features |
Integrated fuse on power distribution module (5A, time lag) |
| IP Rating |
IP20 |
| Standards Compliance |
EN/IEC 61131-2 type 3 |
| Certifications |
FM Class 1 Division 2, CE, UL, CSA |
| Dimensions |
125 × 18.4 × 65.1 mm |
| Weight |
0.086 kg |
Product Applications
• Industrial automation control for packaging, bottling, and assembly machines
• Distribution, textile, printing, and semiconductor machinery applications
• Integration with Modicon STB I/O bases for modular machine control
• Axis control and positioning in conjunction with Modicon LMC058
• Flexible machine control as part of Schneider Electric MachineStruxure solutions
Product Advantages
• Modular design allows hot swapping and simplified maintenance
• Compatible with most major fieldbus networks for flexible integration
• Integrated power protection ensures safe operation of connected modules
• IP20 rating and industrial certifications provide reliable use in harsh environments
• Reduces downtime and saves time and cost in diagnostic and maintenance tasks
• Provides precise and reliable digital input control for distributed I/O systems
FAQ
1. What is the primary function of the STBDDI3725KS module?
It provides 16 discrete digital inputs for monitoring and controlling industrial automation processes.
2. What voltage does the module operate on?
The module is rated for 24V DC supply.
3. How many inputs does the kit support?
It supports 16 discrete inputs with positive logic.
4. Can it be integrated with other STB modules?
Yes, it is designed to work with STBXBA3000 base and other Modicon STB I/O modules.
5. What type of connection does the module use?
It uses an 18-terminal screw connector for secure wiring.
6. Does it provide power protection?
Yes, it includes a 5A time-lag fuse integrated in the power distribution module.
7. What industrial standards does the module meet?
It complies with EN/IEC 61131-2 type 3 and is certified by FM Class 1 Division 2, CE, UL, and CSA.
8. Is the module suitable for modular machine control?
Yes, it forms part of flexible machine control systems within MachineStruxure.
9. Can the module be hot-swapped?
Yes, the kit supports basic NIM hot swapping for maintenance convenience.
10. What are typical applications for this module?
It is used in packaging, bottling, assembly, distribution, textile, printing, and semiconductor machine automation.
Recommended Related or Same-Series Models
| Model |
Description |
| STBDDI3725KA |
Basic digital input kit with 16 inputs, standard version |
| STBDDI3725KB |
Enhanced digital input kit with diagnostics |
| STBDDI3725KC |
Industrial-grade digital input kit for harsh environments |
| STBDDI3725KD |
Redundant digital input module for critical applications |
| STBDDI3725KE |
Modular I/O input kit compatible with STBXBA3000 base |
| STBDDI3725KF |
Hot-swappable digital input kit for flexible machine control |
Popular Schneider Modicon STB Modules
| Model |
Category |
Typical Application |
| STBDDI3725KS |
Basic Digital Input Kit |
Standard 16-channel digital input monitoring |
| STBDDO3725KS |
Basic Digital Output Kit |
16-channel digital output control |
| STBDDI3725KA |
Digital Input Module |
Standard industrial input applications |
| STBDDO3725KA |
Digital Output Module |
Standard industrial output applications |
| STBDAI3725KS |
Analog Input Module |
Voltage/current signal monitoring |
| STBDAO3725KS |
Analog Output Module |
Voltage/current output control |
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