Servo Drives
ESR offers servo drives for almost every field of application: From digital servo drives with integrated technology functions for AC servo motors, torque motors, and linear motors up to analog devices for AC or DC servo motors. Servo drives by ESR are valued because of their high quality and reliability.
This page presents a tabular overview of all servo drives. Detailed information on a specific device can be found on the pages of the individual drive families or in the data sheets. We help you choosing the right drive system for your application.
Digital Servo Drives for AC Servo Motors
| Servo drive family | Servo Drives New Generation | TrioDrive D/xS | MidiDrive D/xS |
|---|---|---|---|
| Design | compact | compact | compact |
| Mains connection * | direct 230 V∼ (WRI) 3 × 400 .. 480 V∼ (WRI) |
direct 230 V∼ (WRI) |
direct 3 × 400 .. 480 V∼ (WRI) |
| DC-bus voltage | 320 V DC or 560 .. 680 V DC | 320 V DC | 560 .. 680 V DC |
| Rated current | 0.8 .. 32 A | 0.8 .. 6 A | 2 .. 32 A |
| Peak current (crest value) | 3.4 .. 90 A | 3.4 .. 25.5 A | 5.6 .. 90 A |
| Suitable for | AC servo motors up to 70 Nm rated torque |
AC servo motors up to 5.5 Nm rated torque |
AC servo motors up to 70 Nm rated torque |
| Torque motors up to 270 Nm rated torque |
Torque motors up to 34 Nm rated torque |
Torque motors up to 270 Nm rated torque |
|
| Linear motors up to 1,000 N continuous force |
Linear motors up to 500 N continuous force |
Linear motors up to 1,000 N continuous force |
|
| Positioning control | optional | optional | optional |
| Ethernet / fieldbus | EtherCAT Profinet Modbus/TCP CANopen CAN serial: RS485, RS232 (e. g. Modbus RTU) USB |
EtherCAT Modbus/TCP CANopen Profibus DP CAN serial: RS485, RS232 (e. g. Modbus RTU) |
EtherCAT Modbus/TCP CANopen Profibus DP CAN serial: RS485, RS232 (e. g. Modbus RTU) |
| Data sheet | 6770.250 | 6755.250 | 6755.250 |
| 3D CAD data | download | download | download |
* (WRI) = wide range input 85..253 V∼ or 3 × 85..528 V∼, respectively
Analog Servo Drives for AC and DC Servo Motors
| Servo drive family | TrioDrive A | MidiDrive A | UnoDrive |
|---|---|---|---|
| Design | compact | compact | compact / 19″ |
| Mains connection * | direct 230 V∼ (WRI) |
direct 3 × 400 .. 480 V∼ (WRI) |
via transformer 230 V∼ / 3 × 400 V∼ / 3 × 480 V∼ |
| DC-bus voltage | 320 V DC | 560 .. 680 V DC | 40 V DC / 100 V DC output voltage |
| Rated current | 2 .. 6 A | 2 .. 20 A | 6 .. 12 A |
| Peak current (crest value) | 5.5 .. 17 A | 5.5 .. 55 A | 12 .. 24 A |
| Suitable for | AC servo motors up to 5.0 Nm rated torque |
AC servo motors up to 48 Nm rated torque |
DC servo motors up to 5.5 Nm rated torque |
| Data sheet | 6650.250 | 6680.250 | 6540.250 |
| 3D CAD data | download | download | on request |
* (WRI) = wide range input 80..253 V∼ or 3 × 80..528 V∼, respectively
Further characteristics can be found on the pages of the individual drive families.
The servo power modules TrioDrive C and MidiDrive C are described along with the multi-axis servo system.
Older Products
Here you can find information on older products. They are used for replacement needs only.
Digital Servo Drives for AC Servo Motors
| Servo drive family | TrioDrive D | MidiDrive D | MaxiDrive |
|---|---|---|---|
| Design | Compact | Compact | Compact |
| Mains connection | direct 230 V∼ |
direct 3 × 400 V∼ |
direct 3 × 400 V∼ |
| DC-bus voltage | 320 V DC | 560 V DC | 560 V DC |
| Rated current | 2 .. 6 A | 2 .. 8 A | 2 .. 20 A |
| Peak current (crest value) | 5.5 .. 17 A | 5.5 .. 22 A | 5.5 .. 56 A |
| Suitable for | AC servo motors up to 5.0 Nm rated torque |
AC servo motors up to 17 Nm rated torque |
AC servo motors up to 48 Nm rated torque |
| Positioning control | optional | optional | yes |
| Fieldbus | CANopen Profibus DP Interbus serial: RS485, RS232 |
CANopen Profibus DP Interbus serial: RS485, RS232 |
CANopen Interbus serial: RS485, RS232 |
| Data sheet | 6750.250 | 6730.250 | 6710.250 |
Analog Servo Drives for AC and DC Servo Motors
| Servo drive family | TrioDrive | MidiDrive | DC Compact Drive |
|---|---|---|---|
| Design | Compact / 19″ | Compact / 19″ | Compact |
| Mains connection | via transformer 230 V∼ / 3 × 400 V∼ / 3 × 480 V∼ |
via transformer 3 × 400 V∼ / 3 × 480 V∼ |
direct 230 V∼ |
| DC-bus voltage | 125 V DC | 320 V DC | 40 V DC output voltage |
| Rated current | 5 .. 10 A | 1.5 .. 12 A | 4 A |
| Peak current (crest value) | 15 .. 30 A | 5 .. 30 A | 8 A |
| Suitable for | AC servo motors up to 3.4 Nm rated torque |
AC servo motors up to 12 Nm rated torque |
DC servo motors up to 0.4 Nm rated torque |
| Data sheet | 6646.250 | 6661.250 | 6508.151 (in German) |
Further characteristics can be found on the pages of the individual drive families.
The servo power modules TrioDrive C and MidiDrive C are described along with the multi-axis servo system.