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Siemens AS-i 3RK1904-3AB01

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3RK1904-3AB01

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The Siemens 3RK1904-3AB01 is an AS-Interface diagnostic unit designed for analyzing communication in automation systems. This analyzer receives power directly from the AS-Interface and operates at a typical current of 70 mA with a minimum insulation voltage of 500V.

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Technical specifications for 3RK1904-3AB01

ManufacturerSiemens
Product LineAS-i
Part Number3RK1904-3AB01
UPC754554944876
Weight0.94 lbs (0.43 kg)
Product CategoryAS-Interface diagnostic unit (AS-i analyzer)
Power InputSupplied through AS-Interface
Minimum Insulation Voltage500V
Typical Operating Current70 mA
Electromagnetic ComplianceMeets EN50081-2, EN61000-6-2 standards
Status IndicatorsGreen (power on), Yellow (RS232 active), Green/Red (test mode)
Communication InterfacesAS-Interface, RS232 (PC link), Trigger input (24V), Trigger output (TTL)
Data Buffer CapacityHolds up to 256,000 AS-Interface message frames
Operating Temperature Range0°C to 55°C
Storage Temperature Range-25°C to 70°C
Protection ClassIP20 (dust-resistant, no water protection)
Physical Dimensions (W x H x D)150 mm x 30 mm x 90 mm
Included ComponentsD-Sub cable, RS232-USB adapter, screwdriver, carrying case
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The 3RK1904-3AB01, an AS-Interface diagnostic unit from Siemens, serves as an essential tool for monitoring AS-Interface communications in automation applications. Power is drawn directly from the AS-Interface network, ensuring ease of integration. The device operates with a typical current of 70 mA and boasts a minimum insulation voltage of 500V, highlighting its reliability for various industrial uses.

Compliance with EN50081-2 and EN61000-6-2 standards reflects its adherence to stringent electromagnetic compatibility regulations. An array of status indicators—including a green light for power on, yellow for RS232 activity, and a dual-colored light for test mode—provides real-time feedback on the unit’s operational status.

Users can connect via multiple communication interfaces that include AS-Interface, RS232 for PC linking, as well as trigger inputs and outputs, enhancing its versatility. The data buffer holds a significant capacity capable of storing up to 256,000 AS-Interface message frames, thereby enabling extensive data analysis.

Designed for use in environments with temperatures ranging from 0°C to 55°C, it also handles storage conditions between -25°C and 70°C. With an IP20 protection classification, this device is dust-resistant but offers no protection against water. Physical dimensions measure 150 mm in width, 30 mm in height, and 90 mm in depth. The package includes essential components such as a D-Sub cable, an RS232 to USB adapter, a screwdriver, and a carrying case for easy transportation and setup.