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Technical specifications for C98043-A7042-L1-6
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Manufacturer:Siemens
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Product Category:Servo Drives
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Spare Part Number:C98043-A7042-L1-6
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Estimated shipping dimensions:26x25x4cm
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Weight:0.8 kg
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Tariff Code:8537101190
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Counliy of origin:Germany
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Rated Voltage:Single-phase 230V AC
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Rated Frequency:50 Hz / 60 Hz
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Terminal Designation:X102 / XR_1
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Auxiliary Input Power:1-phase AC 50-60 Hz, 230 V AC
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Distributes internal supply voltages:+5V DC, ±15V DC, +24V DC
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Operating Temperature:0 °C to +55 °C
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Storage/Transport Temperature:-25 °C to +70 °C
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Relative Humidity:≤ 95% (Non-condensing)
Information
Overview
Manuals
Common Applications
Product Precautions
The C98043-A7042-L1-6 is an internal power interface board dedicated for use within SIMOREG DC MASTER 6RA70 series all-digital DC drives. Serving as a hardware hub inside the drive, it is installed directly into a designated slot within the drive chassis, establishing physical connections with the core control board (such as the CUD1 board) and peripheral electrical circuits via various onboard ribbon cable connectors and pluggable screw terminal blocks.
- Highly Integrated Isolation Framework
- All-in-One Power and Monitoring Integration
- Transparent Hardware-Level Diagnostic Channels
Additionally, it integrates hardware monitoring and sampling channels for main contactor interlocking control interfaces, emergency stop (E-Stop) inputs, incoming line voltage, armature voltage, field current, fuse conditions, and heatsink temperatures.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Siemens C98043-A7042-L1-6 Power Interface Board Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Metallurgy & Steel Industry
Used for the armature and field circuit control of large rolling mill main drives in hot or cold rolling production lines.
Mining & Minerals Machinery
Applied in the DC power systems of large mine hoists, winches, and heavy excavators to handle high-frequency starting and braking signals.
Pulp & Paper Industry
Used for the drying cylinder and press section drive systems of multi-unit linked paper machines, achieving speed-chain synchronization across multiple DC motors.
Rubber & Plastics Processing
Drove the DC motors of large internal mixers, rubber extruders, and calenders to maintain constant material pressure during the extrusion process.
Oil & Gas Drilling
Used for the rectification triggering and power distribution of DC motors driving mud pumps and drawworks on onshore or offshore drilling rigs.
Chemical & Chemical Fiber Industry
Drove the DC drive units of chemical fiber drawing machines and high-pressure metering pumps, ensuring delivery flow continuity through multi-channel hardware monitoring.
When using this power interface board, physical insertion, removal, or maintenance must be performed strictly under completely de-energized and locked-out conditions to prevent high-voltage electrical hazards. During wiring, the alignment of the X21A and X22A flat ribbon cables must be meticulously verified to guarantee accurate routing of firing pulses and feedback signals.
Additionally, the condition of the onboard 1 Amp auxiliary power fuses must be checked routinely, and replacements must strictly match the original manufacturer specifications to protect the connected CUD1 main control board from high-voltage feedback damage.
Additionally, the condition of the onboard 1 Amp auxiliary power fuses must be checked routinely, and replacements must strictly match the original manufacturer specifications to protect the connected CUD1 main control board from high-voltage feedback damage.
Alternative Names
C98043 A7042 L1 6
C98O43-A7O42-L1-6
C98043-A7042-LI-6
C98O43-A7O42-LI-6
Technical notes
The C98043-A7042-L1-6 is an internal Power Interface Board for Siemens SIMOREG 6RA70 DC drives, classified under general automation drive components. Serving as the hardware bridge between the CUD1 control board and thyristor modules, it routes firing pulses and accepts a single-phase 230V AC auxiliary supply, while integrating up to 1000V DC armature/field voltage measurement circuits, cooling fan status detection, fuse monitoring, and hardwired Emergency Stop (E-Stop) safety loops.
FAQ View All FAQ
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What is the Siemens C98043-A7042-L1-6?It is a Power Interface Board used in the Siemens SIMOREG DC MASTER 6RA70 series DC drives.
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What is the main role of the C98043-A7042-L1-6 board in the DC drive?Serving as the hub for internal power and signal distribution, it is responsible for allocating stable low-voltage power to the control unit (CUD1 board) and handling the hardware-level interface and feedback for gate drive signals.
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How to correctly install and assemble the C98043-A7042-L1-6 in an industrial field?It is an internal board that cannot run independently. Users need to snap it into the designated chassis slot of the 6RA70 DC drive, secure it with screws, and physically interconnect it with the main control board and excitation board via its built-in ribbon cable connectors.
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Are the wiring terminals included when purchasing the C98043-A7042-L1-6?Yes. The standard factory configuration of this module usually includes matching detachable wiring terminals (Including Terminals) to facilitate field wiring and rapid replacement.
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What are the most common fault symptoms in the drive when the C98043-A7042-L1-6 fails?The most typical symptoms are the drive completely failing to power up (blank screen) or frequently reporting severe fault codes related to internal power supply issues or thyristor triggering failure.
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