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C98043-A7042-L1-6

Power Interface Circuit Board

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Technical specifications for C98043-A7042-L1-6

  • Product Model
    C98043-A7042-L1-6
  • Spare Model
    6RY1703-0CM00
  • Product Parameters
    Power Interface Circuit Board
  • Tariff Code
    8537101190
  • Country of origin
    Germany
  • Place of shipment
    Xiamen, China
  • In stock
    1 unit
  • Estimated Shipping Size
    26x25x4cm
  • Manufacturer
    Siemens
  • Weight
    0.8 kg
  • Flammability Rating
    94V-0
  • Incoming Supply (400V)
    2AC 380V (-25%) to 460V (+15%); I₁n = 1A
  • Incoming Supply (230V)
    1AC 190V (-25%) to 230V (+15%); I₁n = 2A
  • Internal Fusing
    F1, F2 (1A medium time-lag for 400V; 2×1A for 230V)
  • External Fusing
    Max. 6A, characteristic C
  • Tolerance Extension
    -35% for 1 minute

Description

The C98043-A7042 is a Power Interface Circuit Board (Power Interface) from Siemens, designed specifically for the SIMOREG DC-MASTER 6RA70 series variable-speed DC drive control modules. The C98043-A7042 serves as the critical interface between the CUD1/CUD2 control electronics and the external power section, handling signal conditioning for current measurement, voltage acquisition, and firing pulse distribution to the thyristor modules.

The C98043-A7042 features an integrated current measurement circuit that includes load resistors R75 and R76 (10Ω each) and a differential amplifier for precise armature current acquisition. The current measurement circuit on the C98043-A7042 can be configured via switches S1, S2, and S3 to accommodate various external current transformer configurations, including V-connection with +1V or +10V at rated armature direct current, as well as differential input for +10V at rated current. This flexibility of the C98043-A7042 enables adaptation to different motor power ratings and current measurement requirements.

Alternative Names

C98043-A7042-L1-6 C98043 A7042 L1 6 C98043A7042L16 C98043-A7042-LI-6 C98O43-A7O42-LI-6 C98O43-A7O42-L1-6 C98O43 A7O42 L1-6

Information

Overview Manuals Application Notes Product Applications Wiring and Grounding Rules

Features:

  • Power Interface Circuit Board for SIMOREG DC-MASTER
  • Integrated Current Measurement Circuit
  • Differential Input for Voltage Measurement
  • Firing Pulse Interface for Thyristor Modules
  • Fuse Monitoring Integration
The C98043-A7042 provides differential input capability for armature voltage measurement, with connections available at terminals for measuring the induced voltage between designated points. The voltage acquisition circuit on the C98043-A7042 feeds the measured signals to the A/D converter on the CUD1 control board for closed-loop speed and torque regulation.

The C98043-A7042 interfaces with firing transformer boards (C98043-A7043) to deliver triggering pulses to the thyristor power modules in the armature and field circuits. The firing pulse connections on the C98043-A7042 support individual thyristor triggering, parallel connection of firing pulses, and external amplification of firing pulses for high-power applications. The maximum cable length between the C98043-A7042 and the firing transformers is 10 meters, ensuring reliable pulse transmission in standard industrial installations.

The C98043-A7042-L1-6 SIEMENS Power Interface Circuit Board may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
SIEMENS C98043-A7042-L1-6 Power Interface Circuit 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. All prices are shown in USD.
The C98043-A7042-L1-6 is a rectangular printed circuit board assembly populated with power electronic components, fusing elements, and terminal connectors. The board measures approximately 820 grams in weight and mounts internally within the SIMOREG 6RA70 chassis converter. The front edge features Type 49 plug-in terminals accepting conductors up to 1.5 mm² finely stranded wire. The board contains two internal fuses (F1 and F2) for electronics supply protection. The PCB substrate is manufactured with 94V-0 flame-retardant material rating. The module connects to the drive's main power bus and distributes conditioned power to the control electronics and field circuit. 
  • Material Handling & Conveyor Systems:Precise accel/decel for high-dynamic distribution conveyors
  • Lifting & Hoisting Equipment:Vector control prevents sag/slip during crane/elevator load changes
  • Packaging and Textile Machines:Precise feeding/tension/positioning prevents material breakage
  • Machine Tools & CNC Applications:Precision speed & tool positioning via feedback
  • Industrial Robotics & Positioners:Basic positioner: turntables, linear axes & sorting gates
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Shielding Plate: Mount the screen/shield plate at the bottom of the unit.
EMC Clips: Use low-impedance grounding clips to bind communication shield braids to the plate.
Separation: Route 24 V DC power lines at least 10 cm away from high-voltage motor cables.
PROFIBUS Plug: Use a standard Sub-D 9-pin connector with an integrated, switchable terminating resistor.

Technical notes

The C98043-A7042 is a Power Interface Circuit Board (Power Interface) from Siemens, designed specifically for the SIMOREG DC-MASTER 6RA70 series variable-speed DC drive control modules. The C98043-A7042 serves as the critical interface between the CUD1/CUD2 control electronics and the external power section, handling signal conditioning for current measurement, voltage acquisition, and firing pulse distribution to the thyristor modules.

FAQs

  • What is the C98043-A7042-L1-6?

    +
    The Siemens C98043-A7042-L1-6 is a Power Interface Board typically used in industrial drives, such as the SIMOREG DC Master and SIMOREG CM series
  • What is the primary function of this board?

    +
    It serves as the internal power interface circuit board. It handles gating signals, feedback, and voltage/current distribution between the control module (CUD1) and the main power section of the drive.
  • Which drives use this interface board?

    +
    It is mainly compatible with the Siemens SIMOREG 6RA70 DC Master digital drives. It is also found in specialized SIMODRIVE or servo add-on environments.
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