ESR Pollmeier GmbH - Servo Drive Technology

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 2800 Nm continuous force
Linear motors
up to 560 Nm continuous force
Linear motors
up to 2800 Nm 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.