Epsilon Eb Digital Servo Drive Installation Manual
Caution
When connecting the serial port of your PC to the serial port
of the drive, verify that your PC’s ground is the same as the
drive PE ground. Failure to do so can result in damage to
your PC and/or your drive.
Note
Communication errors can usually be avoided by powering
the computer or host device off of a convenience outlet that
is mounted in the enclosure and whose neutral and ground
are wired to the same single ended point ground that the
drives and controllers are using.
This is sometimes benefical even with battery powered
computers.
Modbus Communications
The drive’s serial communication protocol is Modbus RTU
slave with a 32 bit data extension. The Modbus protocol is
available on most operator interface panels and PLC’s.
EMERSON Motion Control’s Motion Interface panels are
supplied with a Modbus master communications driver.
Serial Communications Specifications
Max baud rate 19.2k
Start bit 1
Stop bit 2
Parity none
Data 8
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