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Description
Overview
The Schneider STBDDI3725KS is a high-reliability digital input kit designed for Modicon STB distributed I/O systems. It supports 16 discrete input channels at 24 V DC, allowing seamless connection to field devices such as switches, push buttons, and sensors. Its modular design simplifies installation, maintenance, and future expansion. Moreover, the kit supports hot-swapping, ensuring continuous operation in demanding industrial environments.
Key Features
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Modular design with STBDDI3725 digital input module, STBXTS1180 connector, and STBXBA3000 base.
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16 discrete input channels for positive logic signals at 24 V DC.
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Sink-type inputs with low input current (~3 mA per channel) for energy efficiency.
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High isolation voltage of 500 V between channels and bus, ensuring operational safety.
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Fast response time ≤1 ms, enabling real-time system monitoring.
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Hot-swap capability for easy replacement without interrupting system operation.
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Compatibility with STBXBA3000 base and STBPDT3100 / STBPDT3105 power modules.
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Compact dimensions (18.4 × 125 × 65.1 mm) and lightweight (0.086 kg) for flexible installation.
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Industrial-grade protection with IP20 rating and wide operating temperature (0–60°C).
Technical Specifications
| Specification | Details |
|---|---|
| Product Type | Basic Digital Input Kit |
| Input Channels | 16 discrete inputs |
| Input Voltage | 24 V DC positive logic |
| Input Type | Sink type |
| Input Current | ~3 mA per channel |
| Isolation Voltage | 500 V between channels and bus |
| Response Time | ≤1 ms |
| Hot Swap Capability | Yes |
| Mounting Base Compatibility | STBXBA3000 |
| Connector Type | STBXTS1180, screw terminal, 18 points |
| Power Distribution Module | STBPDT3100 / STBPDT3105 |
| Dimensions (H × W × D) | 18.4 mm × 125 mm × 65.1 mm |
| Weight | 0.086 kg |
| Protection Rating | IP20 |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
Typical Applications
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Integration with Modicon STB distributed I/O systems in industrial automation.
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Monitoring and control of discrete field devices, including sensors and switches.
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Use in manufacturing lines, conveyor systems, and machine control panels.
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Suitable for high-availability systems requiring hot-swappable components.
FAQ
Q1: Can the STBDDI3725KS module be hot-swapped during operation?
Yes, the kit supports hot-swapping, allowing safe replacement without system downtime.
Q2: Is this kit compatible with other Modicon STB modules?
Yes, it is fully compatible with STBXBA3000 base and STBPDT3100 / STBPDT3105 power modules.
Q3: What types of devices can I connect to this digital input kit?
It supports switches, push buttons, and sensors with 24 V DC positive logic signals.
Q4: What is the operating temperature range for this module?
The module operates between 0°C and +60°C and stores safely between -40°C and +85°C.
Q5: How fast is the response time for inputs?
The response time is ≤1 ms, suitable for real-time industrial applications.
Features
We welcome bulk orders and have a minimum order quantity of just one unit.
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
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