SIEMENS 3RK1105-1BE04-2CA0 V3.04

Siemens SIRIUS AS-i Safety Monitor Basic

Description

The Siemens 3RK1105-1BE04-2CA0 is a SIRIUS AS-i Safety Monitor designed for implementing safety-related applications within an AS-Interface network. This basic model offers straightforward configuration and provides two safe release circuits for applications like emergency stops or protective door monitoring. As an obsolete component, it is a crucial spare part for maintaining existing machinery and control systems.

Specifications

• Manufacturer: Siemens
• Product Series: SIRIUS
• Model: 3RK1105-1BE04-2CA0
• Product Type: AS-i Safety Monitor Basic
• Control Supply Voltage: 24V DC
• Number of Safe Outputs: 2 (Relay contacts)
• Interface: AS-Interface
• Configuration: Via DIP switches
• Mounting: DIN Rail
• Protection Rating: IP20

Label Info

• Type: 3RK1105-1BE04-2CA0
• Firmware Version: V3.04
• EAN: 4011209592247

Application

This safety monitor is ideal for use in various industrial automation applications where safety functions need to be integrated into an AS-i bus system. Common uses include monitoring emergency stop buttons, safety gates, light curtains, and other safety-related sensors.

Country of Origin

Made in Czech Republic.

CO2 Impact

By purchasing this pre-owned component, you are avoiding the production of a new one, which saves an estimated 11.3 kg of CO2. This is comparable to the emissions from driving a standard car for more than 56 kilometers.

Availability

This product is an obsolete item but is available from our stock as a spare part. Order now from spareparts2day for expert support and fast delivery.

FAQ

Question?
Can this 3RK1105-1BE04-2CA0 monitor be configured without specific software?

Answer

Yes, the Basic safety monitor is designed for simple configuration. The desired safety function, such as E-STOP or protective door monitoring, can be selected directly on the device using the DIP switches accessible through the ‘CONFIG’ window on the front panel. No additional software is required.

Question?
What is the significance of the V3.04 version marking on this unit?

Answer

The V3.04 indicates the firmware version of the device. In safety components, firmware versions can be critical for ensuring compatibility with other system components and for validating the safety functions as per the original machine certification. Always verify this version is suitable for your specific application.

Question?
Is this module compatible with all AS-i network versions?

Answer

This safety monitor is designed for AS-Interface networks according to the specification. It is generally compatible with AS-i specification V2.1 and V3.0 networks. However, for advanced features or diagnostics available in newer network specifications, you should always consult the official Siemens manual for this specific model number and firmware version to ensure full compatibility.

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Last Update: Friday, March 13, 2026