Siemens AS-i Addressing Unit

Description

The 3RX9400-0AA00 from Siemens is a portable, battery-operated addressing unit designed for AS-Interface (AS-i) networks. This essential tool allows for the easy addressing of AS-i slaves before or during installation, significantly simplifying commissioning and maintenance tasks. Its straightforward interface with an LCD screen and dedicated buttons for reading, writing, and incrementing addresses makes it a user-friendly device for field technicians.

Specifications

• Manufacturer: Siemens
• Type: AS-i Addressing Unit
• Model: 3RX9400-0AA00
• Network: AS-Interface (AS-i)
• Power Supply: 9V DC (standard block battery, not included)
• Display: Digital LCD
• Controls: Push buttons for Address Up/Down, Program (PRG), and Address Read (ADR)

Label Info

• Brand: Siemens
• Part Number: 3RX9400-0AA00

Application

This addressing unit is used in a wide range of industrial automation applications where AS-i networks are deployed. It is indispensable for setting up new machines, expanding existing lines, or replacing components, as it allows for offline addressing of slaves, preventing network conflicts and reducing downtime.

Country of Origin

This product is manufactured by Siemens, with production typically based in Germany.

CO2 Impact

By purchasing this reused component, you are contributing to a circular economy and helping to avoid 8.0 kg of CO2 emissions that would have been generated from manufacturing a new unit. This is equivalent to the CO2 captured by a tree in a year.

Availability

This is an obsolete product but is available from our stock. The modern equivalent for this model is the Siemens 3RK1904-2AB02. Order now from PLC2Day for expert support and fast delivery.

FAQ

This device uses a standard 9V DC block battery (also known as a 6LR61 or PP3 battery), which is not included with the unit.

Yes, the AS-Interface protocol is standardized. This Siemens addressing unit can be used to set the address of any standard AS-i slave, regardless of the brand, as long as it conforms to the AS-i specification.

To read an address, connect the addressing cable to the AS-i slave. Press the 'ADR' (Address Read) button. The current address of the connected slave will be displayed on the LCD screen.

Last Update: Friday, March 13, 2026

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