ESR Pollmeier GmbH
Servo Drive Technology

Fieldbus interfaces

The digital servo drives TrioDrive D, MidiDrive D and MaxiDrive are equipped with serial interfaces for connection to a PC or a higher-level controller; fieldbus interfaces are available optionally. Based upon TrioDrive D/xS and MidiDrive D/xS, we offer drive systems specially optimized for use in automation networks and equipped with a fieldbus interface as a standard.
Depending on the servo drive family, the following fieldbuses are available:
  • EtherCAT
  • Ethernet TCP/IP
  • CANopen
  • Profibus DP
  • Modbus
  • Interbus
The DRIVECOM profile 22 is used for data exchange with all fieldbuses listed here.

Interface EtherCAT
according to IEC/PAS 62407
Ethernet TCP/IP CANopen
following CANopen-Standards
Profibus DP
according to EN 61158 (type 3)
Type of data and profile process data (PDO) and parameters (SDO via CoE) according to DRIVECOM profile 22 with ESR enhancements and parts of CiA DSP 402 Modbus TCP with variable mapping, parameters according to DRIVECOM profile 22 process data (up to 8 PDOs) and parameters (SDO) according to DRIVECOM profile 22 with ESR enhancements and parts of CiA DSP 402 process data and parameters in the cyclic data, DP V1 parameter channel according to DRIVECOM profile 22
Transfer rate 100 Mbit/s 10 or 100 Mbit/s up to 1 Mbit/s, operating modes synchronous (cyclic, acyclic), asynchronous up to 12 Mbit/s, automatic baud rate detection
Line length up to 100 m between two devices up to 100 m between two devices up to 1000 m up to 1200 m per segment
Bus physics Fast Ethernet Fast Ethernet according to ISO 11898 RS 485 according to EIA-485 (asynchronous)
Available for TrioDrive D/ES
MidiDrive D/ES
TrioDrive D/ES
MidiDrive D/ES
TrioDrive D/CS
MidiDrive D/CS
TrioDrive D
MidiDrive D
MaxiDrive
TrioDrive D/PS
MidiDrive D/PS
TrioDrive D
MidiDrive D
Software drivers DriveServer OPC Server (on request)
XML file
DriveServer OPC Server (on request), various manufacturer-specific drivers
EDS file
DriveServer OPC Server
GSD file

Interface Modbus Interbus
according to EN 61158 (type 8)
Type of data and profile serial Modbus (ASCII or RTU) with variable mapping, parameters according to DRIVECOM profile 22 process data and parameters (PCP) according to DRIVECOM profile 22
Transfer rate 4800 to 115200 bit/s up to 500 kbit/s (2 Mbit/s on request)
Line length up to 1200 m per segment up to 400 m
Bus physics RS 232, RS 422, or RS 485 Remote bus: RS 485
Available for TrioDrive D/xS
MidiDrive D/xS
TrioDrive D
MidiDrive D
MaxiDrive
Software drivers DriveServer OPC Server (on request)

Further information can be found in the servo drives' product list and in the descriptions to TrioDrive D/xS, MidiDrive D/xS, TrioDrive D, MidiDrive D, and MaxiDrive.

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