ESR Pollmeier GmbH
Servo Drive Technology

Servo drives

ESR offers servo drives for almost every field of application: From analog devices for AC or DC servo motors up to digital drives with integrated technology functions for AC servo motors and linear 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.


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)*
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
For AC servo motors up to 85 Nm rated torque up to 5.5 Nm rated torque up to 70 Nm rated torque
Positioning control optional optional
Ethernet, Fieldbus EtherCAT, CANopen, Profinet, CAN, Modbus/TCP, serial: RS485, RS232 (e. g. Modbus RTU), USB EtherCAT, CANopen, Profibus-DP, CAN, Modbus/TCP, serial: RS485, RS232 (e. g. Modbus RTU)
Data Sheet 6770.250 6755.250

* (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~
Bus voltage 320 V DC 560 .. 680 V DC 40 V DC / 100 V DC
output voltage
Rated current 2 .. 6 A 2 .. 8 A 6 .. 12 A
Peak current
(crest value)
5.5 .. 17 A 5.5 .. 22 A 12 .. 24 A
Suitable for AC servo motors
up to 5.0 Nm rated torque
AC servo motors
up to 17 Nm rated torque
DC servo motors
up to 5.5 Nm rated torque
Data sheet 6650.250 6680.250 6540.250

* (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~ 
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
For AC servo motors up to 5.0 Nm rated torque up to 17 Nm rated torque up to 48 Nm rated torque
Positioning control optional optional yes
Fieldbus optional optional optional
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~
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 (not available as PDF)

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.

ESR. The Dynamic Solution
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The statements on this web page are for information, only. They do not guarantee properties. We reserve the right to make changes without notice. Errors excepted.