Overview
6RA7091-6DS22-0 is a high-power fully digital DC speed control device of the SIMOREG DC Master 6RA70 series, used for single-quadrant irreversible DC motor drive, rated armature current 1200A, three-phase bridge B6C irreversible rectifier
Specification
| Item | Specification |
|---|---|
| Type | SIMOREG DC Master 6RA70 |
| Operating Quadrant | 1-quadrant (non-reversible) |
| Rectifier Topology | 3-phase bridge B6C |
| Input Voltage | 3AC 400 V (45–65 Hz) |
| Input Current | 995 A |
| Armature Output | DC 485 V / 1200 A |
| Excitation Circuit | Output: 325 V / 30 A |
| Control Supply | 230 V AC/DC or 115 V AC |
| Protection Degree | IP20 |
| Weight | approx. 93 kg |
FAQ:
1.What do the codes in the 6RA7091-6DS22-0 model mean?
| Code Section | Meaning | Description |
|---|---|---|
| 6RA70 | Product Series | Siemens SIMOREG DC Master 6RA70 fully digital DC drive |
| 91 | Rated Armature Current Class | Corresponds to 1200 A |
| 6 | Control Supply Voltage | 230 V AC/DC |
| D | Armature Input Voltage | 3-phase AC 400 V |
| S | Operating Quadrant / Topology | 1-quadrant non-reversible, 3-phase bridge B6C rectifier |
| 22 | Software / Configuration Version | Standard software version |
| 0 | Additional Options | No special options |
2.In which quadrant does 6RA7091-6DS22-0 operate?
6RA7091-6DS22-0 is a single-quadrant (1-quadrant) DC speed controller.
- S in model number = single-quadrant, non-reversible operation (B6C rectifier)
- It can only run forward, not reverse, and can only run with speed regulation in one direction.
3.What is the replacement model for 6RA7091-6DS22-0?
The replacement for 6RA7091-6DS22-0 is 6RA8091-6DS22-0AA0.
| Parameter | 6RA7091-6DS22-0 | 6RA8091-6DS22-0AA0 |
|---|---|---|
| Input Voltage | 3AC 400 V | 3AC 400 V |
| Armature Output | DC 485 V / 1200 A | DC 485 V / 1200 A |
| Excitation Output | 325 V / 30 A | 325 V / 30 A |
| Control Supply | 230 V AC/DC | 230 V AC/DC |
| Operating Quadrant | 1-quadrant (S) | 1-quadrant (S) |
| Topology | B6C rectifier | B6C rectifier |
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