The Siemens C98043-A7014-L1-4 is an excitation board (field supply PC board) designed for Siemens DC drive systems, including the SIMOREG 6RA70 series and other industrial DC drive platforms . It functions as a critical component for generating and controlling the field current supplied to the motor's excitation winding, enabling precise motor speed and torque regulation.
This board works in conjunction with its complementary component (C98043-A7015) as an integrated excitation unit . As a genuine Siemens OEM board, it is manufactured to original specifications and is widely used in heavy industrial applications requiring reliable DC motor control.
Item No :
C98043-A7014-L1-4Order(MOQ) :
1Payment :
EXWProduct Origin :
GermanyShipping Port :
Wuhan, Hubei, ChinaLead Time :
3-5daysWeight :
0.200kgSpecifications
Siemens plc board C98043-A7014-L1-4
| Origin | Germany |
| Net Weight (kg) | 0.200kg |
| Packaging Dimension |
* |
Product Showroom
Excitation Control – Generates and regulates field current for DC motors via a dedicated power unit
Pulse Triggering – Provides gate drive pulses through pulse transformers for electrical isolation
Current Measurement – Uses a shunt resistor and V/f converter to sample actual field current values
CE Certified – Complies with European safety and EMC standards
Robust Industrial Design – Built for continuous operation in demanding industrial environments
German Engineering – Manufactured in Germany to Siemens quality standards
| Parameter | Specification |
|---|---|
| Part Number | C98043-A7014-L1-4 |
| Product Type | Excitation Board / Field Power Supply PC Board |
| Manufacturer | Siemens |
| Country of Origin | Germany |
| Operating Voltage | 24V |
| Weight, approx | 0.56 kg |
| Certification | CE |
| Compatible Systems | SIMOREG 6RA70 DC drives and other Siemens DC drive platforms |
| Complementary Board | C98043-A7015 (sold separately or as paired set) |
The C98043-A7014-L1-4 is the main board of a two-board excitation module used in Siemens DC drive systems . Its primary functions include:
Field Supply Terminals: Provides connections for the excitation power supply (3U1, 3W1) and field output to the motor winding (3C, 3D) .
Trigger Pulse Generation: Generates firing pulses for the field power section, isolated via pulse transformers to ensure safe operation .
Actual Value Detection: Samples the actual field current using a shunt resistor; the signal is converted via a V/f (voltage-to-frequency) converter for processing by the drive control logic .
Parameterization: After board replacement, the drive requires execution of parameter P051 = 22 to perform offset balancing (zero-point adjustment) for the field current actual value detection .
As an original Siemens component, this board meets the exact specifications required for proper field control in your DC drive system. Using OEM-spec parts ensures reliable performance and maintains system integrity.
The C98043-A7014-L1-4 is a direct replacement part, allowing for straightforward field replacement. Following replacement, the drive can be quickly recalibrated using standard parameterization procedures.
As the excitation board, it is essential for controlling the magnetic field of the DC motor. Without proper field control, the drive cannot deliver reliable torque or speed regulation, making this board a critical spare for maintaining production uptime.
The Siemens C98043-A7014-L1-4 is deployed across a broad spectrum of industrial applications requiring DC motor control :
| Application Area | Description |
|---|---|
| Industrial Drive Systems | SIMOREG 6RA70 DC drives in manufacturing and processing plants |
| Power Plant DCS Systems | Distributed control systems requiring reliable DC drive control |
| Metals & Mining | Material handling, conveyors, and processing equipment |
| Paper & Pulp | Production line drives and winder/rewinder control |
| Chemical Processing | Pump and compressor control in chemical plants |
| Marine & Offshore | Shipboard DC drive systems and FPSO applications |
| Test & Measurement | Dynamometer and laboratory test stands |
Q1: What is the Siemens C98043-A7014-L1-4 used for?
It is an excitation board (field supply PC board) used in Siemens DC drive systems to generate and regulate the field current for the motor's excitation winding .
Q2: Which drive systems is this board compatible with?
The board is primarily used with SIMOREG 6RA70 DC drives and other Siemens DC drive platforms. It may also be found in various OEM applications that incorporate Siemens drive technology .
Q3: Is this an OEM Siemens part?
Yes, the C98043-A7014-L1-4 is an original Siemens component, manufactured to OEM specifications in Germany .
Q4: Does this board work alone or with other components?
The C98043-A7014-L1-4 works in conjunction with the C98043-A7015 board, which is mounted perpendicularly to it. These two boards form a complete excitation unit .
Q5: What happens after replacing this board?
Following replacement, the drive requires parameter P051 = 22 to be executed to perform offset balancing (zero-point adjustment) for the field current actual value detection .
Q6: What certification does this board carry?
The board is CE certified, ensuring compliance with applicable European safety and EMC standards .
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