The Siemens C98043-A7002-L1 is a Power Interface Board (PIB) for the SIMOREG DC-MASTER 6RA70 drive series. It serves as the essential hardware link between the drive's digital control unit (CUD1) and the thyristor power section, performing three core tasks: generating precisely-timed firing pulses, monitoring the power section for faults, and acquiring analog measurement signals for closed-loop control.
Item No :
C98043-A7002-L1Order(MOQ) :
1 PiecePayment :
EXW/CIFProduct Origin :
GermanyShipping Port :
WuhanLead Time :
3-5daysWeight :
3kg| Feature | Description |
|---|---|
| Manufacturer | Siemens |
| Model / Part Number | C98043-A7002-L1 |
| Market Order No. | 6RY1703-0DA01 |
| Product Family | SIMOREG DC-MASTER 6RA70 |
| Product Type | Power Interface Board (with terminals) |
| Function | Thyristor firing, safety monitoring, voltage/current acquisition |
| Drive Range Compatibility | 6 kW to 2500 kW |
| Weight | Approx. 0.90 kg |
| Variant | L1 series (earlier generation; L4 is a later variant with design refinements) |
| Note | L1 and L4 variants are not directly interchangeable due to differences in sub-circuits and connector configurations . The -L1 variant supports standard input voltages, while -L4 is designed for low-voltage (15-85 VAC) applications . |
| Category | Model | Description |
|---|---|---|
| Low-Voltage Variant | C98043-A7002-L4 | Power Interface Board for low-voltage (15-85 VAC) applications |
| 4-Quadrant Power Board | C98043-A7003-L1 | 4-quadrant (regenerative) version |
| Control Board | C98043-A7001-L1 | CUD1 basic electronics board for the 6RA70 drive |
| Control Module Variant | C98043-A7042 | Power interface for SIMOREG used as a control module only |
| Gate/Power Module Board | C98043-A1601-L1 | Gate and power module board for SIMOREG drives |
| 6ES7550-1AA01-0AB0 | 6ES7134-4GB11-0AB0 | 6AV2128-3MB06-0AX1 |
| 6ES7531-7MH00-0AB0 | 6ES7193-4CB30-0AA0 | 6ES7954-8LC03-0AA0 |
| 6ES7590-1BC00-0AA0 | 6ES7334-0KE00-0AB0 | 6ES7590-1AB60-0AA0 |
| 6ES7505-0RA00-0AB0 | 6ES7153-1AA03-0XB0 | 6ES7590-1AC40-0AA0 |
| 6ES7521-1BL10-0AA0 | 6ES7223-1PH32-0XB0 | 6ES7516-3AP03-0AB0 |
| 6ES7522-1BL10-0AA0 | 6ES7157-0AD82-0XA0 | 6ES7541-1AB00-0AB0 |
Q1: What is the primary function of the C98043-A7002-L1?
It is the Power Interface Board (PIB) for the SIMOREG DC-MASTER 6RA70 drive. It generates firing pulses for the thyristors, monitors the power section for faults like overcurrent/overvoltage, and acquires analog feedback signals (armature current, supply voltage) for the control unit .
Q2: What is the market order number for this board?
The official Siemens spare parts order number is 6RY1703-0DA01. The internal part number C98043-A7002-L1 appears on the board's label .
Q3: What is the difference between the L1 and L4 variants?
The L1 and L4 are different design generations of the same board function. They are not directly interchangeable—their sub-circuits, component layouts, and connector configurations differ. The -L4 variant is specifically used for low-voltage applications (15-85 VAC) .
Q4: What is the difference between this board and the C98043-A7003-L1?
The C98043-A7002-L1 is a 1-quadrant (single-direction) power interface, while the C98043-A7003-L1 is a 4-quadrant version used for regenerative (energy feedback) applications in the 6RA70 system .
Q5: Is the C98043-A7002-L1 interchangeable with the C98043-A7042?
No. The C98043-A7042 is a different power interface designed for using a SIMOREG drive as a pure control module (without its own power section). The hardware interfaces are different, and using the wrong board is not supported.
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