Schneider STBDDI3615K Basic Numeric Input Kit
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Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | STBDDI3615K |
| Product Name | Basic Digital Input Kit |
| Product Series | Modicon STB Distributed I/O |
| Module Model | STBDDI3615 |
| Product Type | Basic Digital Input Kit |
| Number of Digital Inputs | 6 |
| Rated Input Voltage | 24 V DC |
| Input Voltage Range (ON State) | 15–30 V DC |
| Input Voltage Range (OFF State) | -3–5 V DC |
| Maximum Permissible Input Voltage | 30 V |
| Absolute Maximum Voltage | 56 V for 1.3 ms |
| Digital Input Current | 4.5 mA |
| Guaranteed ON-State Current | ≥ 2.5 mA |
| Guaranteed OFF-State Current | ≤ 0.5 mA |
| Input Logic | Positive logic |
| Input Response Time | 5.25 ms (OFF to ON); 5.75 ms (ON to OFF) |
| Input Filtering | 5 ms |
| Input Protection | Resistor-limited input protection and reverse-polarity protection |
| Power Protection | Time-delay 5 A fuse integrated in the power distribution module |
| Channel-to-Logic-Bus Insulation | 1500 V for 1 minute |
| Logic Bus Current Consumption | 45 mA at 5 V DC |
| Kit Components | STBDDI3615 module, STBXBA1000 base, STBXTS1100 6-terminal screw connector, STBXTS2100 6-terminal spring-clamp connector |
| Compatible I/O Base | STBXBA1000 |
| Compatible Power Distribution Modules | STBPDT3100 / STBPDT3105 |
| Hot Swapping | Supported with basic NIM configurations |
| Cold Swapping | Supported |
| Status Indicators | Green module status LED (RDY) and six green channel LEDs (IN1–IN6) |
| Mounting | Modicon STB modular I/O system |
| Protection Rating | IP20 |
| Overvoltage Category | Category II |
| Marking | CE |
| Dimensions | 18.4 × 125 × 65.1 mm |
| Weight | 0.112 kg |
FAQ
Q1: What is the main function of the Schneider STBDDI3615K?
The STBDDI3615K is a six-channel basic digital input kit designed for Schneider Electric Modicon STB distributed I/O systems. It receives 24 V DC ON/OFF signals from field devices such as limit switches, push buttons, and compatible sensors. The controller can then use these signals for machine sequencing, status monitoring, and interlocking logic.
Q2: What input voltage does the STBDDI3615K require?
The module uses a nominal 24 V DC input. An input voltage of 15–30 V DC is recognized as ON, while -3–5 V DC is recognized as OFF. If the signal voltage falls between these ranges, the input state may not be guaranteed. Check the field-device output and wiring if the channel changes state inconsistently.
Q3: How many input channels are available, and how can they be checked?
The STBDDI3615K provides six digital input channels, identified as IN1 through IN6. Each channel has a green status indicator. During commissioning, activate each connected sensor or switch individually and compare the corresponding LED with the input status displayed in the PLC or configuration software.
Q4: What is the difference between the STBDDI3615K and the STBDDI3615 module?
The STBDDI3615 is the digital input module itself, while the STBDDI3615K is a kit that includes the module, STBXBA1000 base, STBXTS1100 screw connector, and STBXTS2100 spring-clamp connector. When replacing equipment, check whether the required base and connectors are already available before ordering the kit.
Q5: Which Modicon STB components are compatible with the STBDDI3615K?
The specified I/O base is STBXBA1000, and compatible power distribution modules include STBPDT3100 and STBPDT3105. The complete system configuration must also be checked, including the network interface module and power distribution arrangement. Compatibility should not be determined from the product series alone.
Q6: What should be checked if an input signal is not detected?
First, verify that the field sensor is operating and supplying the correct voltage. Then inspect the terminal assignments, common wiring, connector seating, and channel LED. If the input terminal receives a voltage within the ON-state range but the PLC still reads OFF, review the module configuration and diagnostic status before replacing the hardware.
Q7: Can the STBDDI3615K be replaced while the system is running?
Hot swapping is supported with basic NIM configurations, but the permitted procedure depends on the actual system arrangement and site safety requirements. Confirm compatibility with the installed network interface module before removing the unit. If the configuration does not support the intended procedure, isolate power and follow the equipment’s maintenance instructions.
Q8: What should be verified after installing a replacement STBDDI3615K?
Check that the module is correctly seated on the base and that all field wiring matches the connection diagram. After restoring power, inspect the RDY indicator and test all six input channels. Confirm that the PLC displays the correct states, connected devices respond as expected, and no persistent diagnostic faults remain.
Schneider STBDDI3615K Basic Numeric Input Kit is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
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