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- Schneider
- STBDDI3610K
- Standard Digital Input Kit
- France
- 125 × 18.4 × 65.1 mm
- 0.112 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider STBDDI3610K is a Modicon STB Standard Digital Input Kit for acquiring discrete field signals within a Modicon STB distributed I/O system. It is intended for applications that require multiple ON/OFF input points from sensors, switches, contacts, or machine equipment.
The kit combines the digital input function with the associated STB mounting and field-connection components, making it suitable for applications where the complete input assembly is required rather than the electronic module alone.
In a typical installation, field devices connect to the kit’s input interface, while the STB island communicates the resulting input states to the PLC or PAC. The controller can use these signals for machine sequencing, equipment status, interlocks, alarms, and process monitoring.
The STBDDI3610K is particularly useful when replacing or installing an STB digital input point as a complete assembly. Before installation, the existing STB island should be checked for module compatibility, field-device signal requirements, terminal arrangement, controller mapping, and power distribution.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | STBDDI3610K |
| Product Family | Modicon STB |
| Product Type | Standard Digital Input Kit |
| Input Type | Digital |
| Number of Inputs | 16 |
| Signal Type | Discrete ON/OFF |
| Module Type | Standard Digital Input Kit |
| Rated Supply Voltage | 24 V DC |
| Protection Degree | IP20 |
| Dimensions | 125 × 18.4 × 65.1 mm |
| Weight | 0.112 kg |
Product Features
- Modicon STB Standard Digital Input Kit
- Model STBDDI3610K
- Sixteen digital input channels
- Suitable for discrete ON/OFF field signals
- Combines digital input functionality with associated STB installation components
- Suitable for distributed I/O architectures
- Integrates with PLC and PAC-based control systems
- Supports sensor and equipment status acquisition
- Suitable for machine sequencing and interlock logic
- Can be combined with analog and digital STB modules
- Useful for replacement and installation projects
- Suitable for machine and process automation
Working Principle
The STBDDI3610K provides a complete interface for bringing discrete field signals into the Modicon STB control architecture.
Field Devices → STBDDI3610K → STB Island Bus → Network Interface → PLC / PAC
Each connected field device produces a discrete electrical state. The corresponding input channel detects the state and transfers the input information through the STB island communication path.
The PLC or PAC receives the input data and applies it to the application logic. For example, a proximity sensor can indicate the presence of a workpiece, while a limit switch can confirm that a moving mechanism has reached its required position.
The controller can use these signals to advance a sequence, enable an operation, generate an alarm, or confirm an equipment condition.
Because the STBDDI3610K is supplied as a kit, the installation process also involves checking the associated mounting and field-connection components. This can be useful when a replacement requires more than the electronic input module itself.
During troubleshooting, the signal path can be checked from the field device through the input terminal and STB communication path to the PLC. This helps isolate problems caused by field wiring, input configuration, or controller-side mapping.
Role in a Modicon STB Distributed I/O Control Architecture
The STBDDI3610K serves as a complete digital input interface within the Modicon STB distributed I/O architecture.
Field Devices → STBDDI3610K → STB Island Bus → NIM → Industrial Network → PLC / PAC
| System Element | Function |
|---|---|
| STBDDI3610K | Acquires sixteen discrete input signals as a standard digital input kit |
| STBXBA2000 | Provides the mounting base for the STB module |
| STBXTS1100 | Provides screw-type field connection |
| STBXTS2100 | Provides spring-clamp field connection |
| STBPDT3100 / STBPDT3105 | Supports power distribution within the STB island |
| Network Interface Module | Exchanges I/O data between the STB island and controller |
| PLC / PAC | Processes input states and executes control logic |
| Proximity Sensor | Provides position or object detection |
| Limit Switch | Provides travel and position feedback |
| Pushbutton / Selector | Provides operator commands |
| Auxiliary Contact | Provides equipment status feedback |
The exact configuration depends on the selected STB network interface, power distribution arrangement, connected field devices, and controller configuration.
Industrial Applications
| Application | Typical Use |
|---|---|
| Packaging Machinery | Monitoring sensors and machine sequence conditions |
| Manufacturing Lines | Collecting multiple discrete equipment signals |
| Material Handling | Detecting products, positions, and conveyor states |
| Assembly Equipment | Monitoring component presence and process steps |
| Machine Tools | Monitoring limit switches and machine positions |
| Process Control | Acquiring discrete process and equipment states |
| Water Treatment | Monitoring pump, valve, and equipment status |
| Pump Systems | Collecting running, fault, and auxiliary contact signals |
| HVAC Systems | Monitoring equipment status and discrete conditions |
| Utility Systems | Collecting distributed equipment feedback |
Installation and Maintenance
- Confirm that the replacement unit is the correct STBDDI3610K model before installation.
- Verify that the field devices provide compatible discrete input signals.
- Check the field-device supply voltage and wiring before connecting the input channels.
- Confirm that the kit’s mounting and field-connection components match the existing STB island configuration.
- Verify the 24 V DC power distribution associated with the STB island.
- Inspect every input conductor for loose terminals, damaged insulation, incorrect polarity, or incorrect channel assignment.
- Confirm that the physical input channels correspond to the intended PLC or PAC I/O addresses.
- Activate each connected field device individually during commissioning and verify the corresponding input state in the controller.
- If an input remains inactive, measure the field signal at the associated terminal before replacing the kit.
- If the correct field signal reaches the input but the PLC does not display the expected state, check the STB island communication and I/O configuration.
- If several input channels fail simultaneously, inspect the module power supply, STB island configuration, and network communication before replacing individual field devices.
- Keep the input channel assignment documented so future maintenance personnel can quickly identify the field device associated with each input.
Related Components
| Component | Function |
|---|---|
| STBXBA2000 | Mounting base for STB I/O modules |
| STBXTS1100 | Screw-type terminal connector |
| STBXTS2100 | Spring-clamp terminal connector |
| STBPDT3100 | STB power distribution module |
| STBPDT3105 | STB power distribution module |
| Standard NIM | Network interface for the STB island |
| 24 V DC Power Supply | Supplies the required STB power |
| STB Analog Input Modules | Acquire continuous field measurements |
| STB Analog Output Modules | Generate analog control signals |
| STB Digital Output Modules | Control discrete field devices |
| PLC / PAC | Processes digital input states |
Recommended Related Models
| Model / Product Family | Product Type | Typical Application |
|---|---|---|
| Schneider STBDDI3610 | Standard Digital Input Module | Sixteen-channel digital input acquisition |
| Schneider STBDDI3420 | Standard Digital Input Module | Four-channel digital input acquisition |
| Schneider STBDDO3600 | Standard Digital Output Module | Distributed digital output control |
| Schneider STBACI1400 | Standard Analog Input Module | Analog current signal acquisition |
| Schneider STBAVI1255 | Basic Analog Input Module | Analog voltage signal acquisition |
| Schneider STBACO0220 | Standard Analog Output Module | Analog current output |
| Schneider STBACO1225 | Basic Analog Output Module | Basic analog output applications |
| Schneider Modicon STB | Distributed I/O Platform | Modular machine and process I/O |
Key Advantages
- Sixteen digital input channels.
- Supplied as a Standard Digital Input Kit.
- Suitable for discrete field signal acquisition.
- Integrates into the Modicon STB distributed I/O architecture.
- Useful for machine sequencing and interlocking.
- Suitable for sensor and equipment status monitoring.
- Supports distributed field input collection.
- Useful for replacement and installation projects requiring a complete input kit.
Technical FAQs
What is the difference between the STBDDI3610 and STBDDI3610K?
The STBDDI3610 is the Standard Digital Input Module, while the STBDDI3610K is identified as a Standard Digital Input Kit. The kit designation indicates that the product is supplied as an associated installation assembly rather than being treated only as the electronic input module.
How many digital input points are available on the STBDDI3610K?
The STBDDI3610K provides 16 digital input channels. These channels can be assigned to compatible sensors, switches, contacts, and other discrete field signals according to the STB island configuration.
When is the kit version useful for an STB replacement?
The kit version is useful when the replacement project requires the digital input function together with the associated STB installation components. This can simplify replacement work when the existing mounting or field-connection arrangement also needs to be renewed.
What should be checked if the STBDDI3610K does not report a field signal?
Start at the field device and verify that the expected electrical signal is present. Then check the terminal connection, channel assignment, module configuration, STB island communication, and PLC I/O mapping. Testing the signal path in this order helps identify whether the issue is in the field wiring or the control system.