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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RK2400-1BT30-0AA3 |
| Alternative Part Number | 3RK24001BT300AA3 |
| Manufacturer | Siemens |
| Design | AS-i compact module K20 digital A/B slave |
| Inputs | 2 digital inputs, for sensors (mechanical/2- or 3-wire) PNP, sensor supply from U_ASI |
| Outputs | 2 digital outputs, max. 1A, output supply from DC 24V max. 1A for all outputs |
| I/O Configuration | Type A/B slave with I/O configuration B |
| Number of I/O Sockets | 4 |
| Electrical Connection | M8 screw-type terminals |
| AS Interface Total Current | Input max 270 mA |
| Operating Voltage | 26.5 – 31.6 V according to AS-Interface specification |
| Addressing | Using M12 female connector |
| Polarity Reversal Protection | Built-in |
| Sensor Supply Voltage | 16.5 – 30 V |
| Ambient Operating Temperature | -25 ... +70 °C |
| Storage Temperature | -40 ... +85 °C |
| Protection Class | IP67 |
| Width | 20 mm |
| Height | 108 mm |
| Depth | 45 mm |
| Mounting Type | No mounting plate required |
| Certificates/Approvals | General Product Approval, EMC Declaration of Conformity |
The Siemens 3RK2400-1BT30-0AA3 is a robust and compact AS-i module designed for digital input and output operations in demanding industrial environments. This module is part of the K20 series and is housed in an IP67-rated enclosure, ensuring protection against dust and water ingress, making it suitable for field operations. It features two digital inputs and two digital outputs, supporting PNP transistor input circuitry and offering a flexible connection for both 2- and 3-wire sensors.
The module operates with an input voltage range of 16.5 to 30 V and is capable of handling sensor supply currents of up to 150 mA at 40°C ambient temperature, ensuring reliable performance even in varied temperature conditions. The digital outputs can supply a maximum of 1 A, with an external power supply of 24 V DC, shared via a round cable connection with the AS-Interface connection through an M12 female connector.
Designed with ease of use in mind, the Siemens 3RK2400-1BT30-0AA3 allows for straightforward addressing using an M12 female connector and features built-in polarity reversal protection. The module's compact dimensions and the absence of a need for a mounting plate facilitate easy integration into existing systems. Additionally, the module is equipped with LED indicators for I/O status, auxiliary voltage, and AS-Interface diagnostics, providing clear and immediate visual feedback on the operational status.
This AS-i compact module is a reliable choice for engineers and technicians looking for a high-quality, durable solution for their digital I/O needs in industrial automation applications.
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Frequently Asked Questions
What type of module is this?
This is an AS-i compact module K20 digital A/B slave designed for operation in the field with an IP67 rating. It features 2 digital inputs and 2 digital outputs, suitable for various industrial applications.
Can you explain the input and output configuration?
Certainly, the module has 2 digital inputs that support 2- and 3-wire technology with PNP transistor input circuits. It also has 2 digital outputs with PNP transistor switching, capable of handling up to 1 A per output with a shared external power supply of 24 V DC.
What are the environmental operating conditions for this module?
The module can operate within an ambient temperature range of -25 to +70 degrees Celsius and can be stored in temperatures ranging from -40 to +85 degrees Celsius, making it suitable for a wide range of environmental conditions.
How is the module protected against environmental factors?
The module is rated with a protection class of IP67, meaning it is dust-tight and can withstand temporary immersion in water, which makes it ideal for harsh industrial environments.
What is the significance of the LED indicators on the module?
The module is equipped with LED indicators for easy diagnostics. A yellow LED indicates the status of I/Os, a green LED shows the auxiliary voltage (Uaux) status, and a dual green/red LED provides AS-Interface and diagnostic information.
Is there a specific mounting type required for this module?
No mounting plate is required for this module, which allows for flexible installation options in various field applications.
What certifications does this module hold?
The module comes with a general product approval and an EMC Declaration of Conformity, ensuring compliance with relevant electromagnetic compatibility requirements.
How are the inputs and outputs assigned on this module?
The data bits are assigned as follows: socket PIN 4 = IN3 (D2), socket 2 PIN 4 = IN4 (D3), socket 3 PIN 4 = OUT1 (D0), and socket 4 PIN 4 = OUT2 (D1). This standard assignment facilitates straightforward integration with your system.
What is the width, height, and depth of the module?
The module measures 20 mm in width, 108 mm in height, and 45 mm in depth, providing a compact form factor for space-constrained applications.
Does the module require an external power supply?
Yes, an external additional supply (AUX POWER) of 20 to 30 V DC is required for the supply of the output circuits, which must comply with VDE 0106 (PELV), protection class III.
