STBDDI3725KC – basic digital input kit, Modicon STB

Description

Main

range of product	Modicon STB distributed an I/O solution.
product or component type	Basic digital input kit.
kit composition	STBXTS2180, 18-terminal spring clamp connector STBDDI3725 module. STBXBA3000 base.
discrete input number	16
discrete input voltage	24 V
discrete input voltage type	DC

Complementary

input voltage limits	11…30 V at state 1. -3…5 V at state 0.
permissible voltage	30 V.
discrete input current	4.5 mA.
current state 0 guaranteed	<= 1.5 mA.
current state is guaranteed	>= 2.5 mA.
discrete input logic	Positive
response time	2 ms off-to-on. 2 ms on-to-off.
protection type	Power protection integrated fuse on PDM. time lag 5 A. Input protection resistor-limited. Reverse polarity protection.
insulation between channels and logic bus	1500 V for 1 minute.
cold swapping	Yes
hot swapping	Yes for basic NIMs.
product compatibility	I/O base STBXBA3000. Power distribution module. STBPDT3100/3105.
[Us] rated supply voltage	24 V DC
supply	Power distribution module.
current consumption	100 mA at 5 V DC for the logic bus.
marking	CE
overvoltage category	II
status LED	1 LED (green) module status (RDY). 1 LED per channel (green) channel status (IN1 to IN16).
depth	65.1 mm.
height	125 mm.
width	28.1 mm.
net weight	0.086 kg.

Environment

standards	EN/IEC 61131-2 type 3.
product certifications	FM Class 1 Division 2. UL CSA
pollution degree	conforming to IEC 60664-1.
operating altitude	<= 2000 m.
IP degree of protection	IP20 conforms to EN 61131-2 class 1.
ambient air temperature for operation	-25…70 °C (without derating).
ambient air temperature for operation	32–140 °F without derating.
ambient air temperature for storage	-40…85 °C without derating.
ambient air temperature for storage	-40–185 °F without derating.
relative humidity	95 % at 60 °C without condensation.
vibration resistance	3 gn at 58…150 Hz on 35 x 7.5 mm symmetrical DIN rail. 5 gn at 58…150 Hz on 35 x 15 mm symmetrical DIN rail. +/-0.35 mm at 10…58 Hz.
shock resistance	30 gn for 11 ms, conforming to IEC 88 reference 2-27.

Packing Units

Unit Type of Package 1	PCE.
Number of Units in Package 1	1
Package 1 Weight	188.0 g.
Package 1 Height	3.5 cm.
Package 1 width	7.8 cm.
Package 1 Length	13 cm.
Unit Type of Package 2	S02.
Number of Units in Package 2	20
Package 2 Weight	4.246 kg.
Package 2 Height	15 cm.
Package 2 width	30 cm
Package 2 Length	40 cm

The STBDDI3725KC is a basic digital input kit within Schneider Electric‘s Modicon STB range. This kit is designed for industrial automation and control systems, providing a robust and reliable solution for managing digital signals in complex environments. Here’s a comprehensive overview of its features, applications, and benefits:

Overview

The STBDDI3725KC is part of the Modicon STB system, which is known for its modular and scalable approach to industrial automation. The “STB” stands for “Smart Terminal Block,” which reflects the system’s focus on flexibility and ease of use. This particular kit is a basic digital input module, making it essential for systems that require straightforward digital signal management without complex processing needs.

Key Features

1. Digital Input Capability: The STBDDI3725KC module is designed to handle basic digital inputs. It can receive on/off signals from various types of field devices, such as sensors, switches, and relays. This makes it suitable for applications where simple binary signal processing is required.
2. Number of Channels: This kit typically offers a specific number of digital input channels, allowing users to interface with multiple digital signals simultaneously. The exact number of channels can vary depending on the configuration and specific model.
3. High-Quality Components: Schneider Electric ensures that the STBDDI3725KC is built with high-quality components to withstand harsh industrial environments. This includes robust connectors and reliable circuit design, which contribute to the module’s longevity and stability.
4. Compact Design: The STBDDI3725KC is designed with a compact form factor, making it easy to integrate into existing control panels and systems. Its small size does not compromise its functionality, allowing it to fit into tight spaces while maintaining performance.
5. Ease of Installation: Installation of the STBDDI3725KC is straightforward, thanks to its modular design. It can be easily mounted on a DIN rail, and the wiring connections are designed for quick and secure attachment. This reduces installation time and minimizes the risk of wiring errors.
6. Diagnostic and Status Indicators: The module often includes LED indicators that provide real-time status and diagnostic information. These indicators help operators quickly identify the state of each input channel and troubleshoot any issues that may arise.
7. Compatibility: The STBDDI3725KC is compatible with other components in the Modicon STB system. This compatibility ensures seamless integration with various modules and controllers, allowing for a cohesive and flexible automation solution.

Applications

The STBDDI3725KC is suitable for a wide range of industrial applications where digital signal processing is required. Some common use cases include:

1. Manufacturing Automation: In manufacturing environments, the module can be used to monitor signals from equipment such as limit switches, photoelectric sensors, and push buttons. This helps in ensuring accurate control and monitoring of machinery and processes.
2. Process Control: In process control systems, the STBDDI3725KC can interface with devices that provide on/off signals, such as pressure switches and flow meters. This allows for the efficient management of process variables and system states.
3. Building Automation: The module can also be used in building automation systems to manage signals from devices such as motion detectors, door switches, and occupancy sensors. This contributes to improved energy efficiency and enhanced building management.
4. Energy Management: In energy management systems, the STBDDI3725KC can be used to monitor signals from energy meters and control devices. This helps in optimizing energy usage and ensuring the reliability of energy distribution systems.

Benefits

1. Reliability: The STBDDI3725KC is designed for reliable operation in demanding industrial environments. Its durable construction and quality components ensure consistent performance and longevity.
2. Flexibility: Its modular design and compatibility with other STB components provide flexibility in system design and expansion. Users can easily integrate the module into existing systems and adapt to changing requirements.
3. Cost-Effectiveness: The basic digital input capability of the STBDDI3725KC makes it a cost-effective solution for applications that do not require advanced signal processing. This allows for efficient use of resources while meeting the necessary control requirements.
4. Ease of Use: The module’s straightforward installation and user-friendly design make it easy for operators to set up and manage. The real-time diagnostics provided by the LED indicators further enhance ease of use and maintenance.

Conclusion

The STBDDI3725KC Basic Digital Input Kit from Schneider Electric‘s Modicon STB range is a versatile and reliable solution for managing digital signals in industrial automation systems. Its robust design, ease of installation, and compatibility with other STB components make it an excellent choice for various applications, from manufacturing and process control to building and energy management. By offering a cost-effective and efficient way to handle basic digital inputs, the STBDDI3725KC supports the seamless operation of complex control systems and contributes to overall system reliability and performance.