Application Setup CDHD
134 User Manual
6 .3 Com m u nica tion
Com missioning the drive through ServoStudio requires a serial RS232 or USB
connection. Once the drive is configured, you can then connect it to a PLC or
controller over an EtherCAT, CANopen or other fieldbus network.
N ote: For com munication through serial RS232/USB connections and
P&D/ analog interfaces, the drive must be set to COMMODE 0.
For communication over Ethernet or CAN networks, the drive m ust be
set to COMMODE 1. While COMMODE 1 is in effect, the drive cannot be
enabled and the motor cannot be moved through ServoStudio.
COMMODE 1 is the drive’s factory default setting is fieldbus is
COMMODE 1.
The ServoStudio Com m unicat ion screen allows you t o est ablish comm unication
between the host computer and the drive over a serial connection.
Com m unication between the host computer and the drive is configured in St ep 0
of the Mot or Setup wizard. I f ServoStudio is already comm unicating with the
drive, the wizard begins at Step 1.
The following param eters are used t o configure and monitor communication:
Va rCom Descript ion
COMMODE 0 Serial RS232/ USB com munication enabled.
Et herCAT/ CANopen com munication disabled.
Reference comm ands accept ed via serial/ pulse/ analog
interfaces only.
COMMODE 1 Applicable only for CDHD AF, EC and EB m odels.
Et herCAT/ CANopen communication is enabled.
Serial RS232/ USB com munication can be used as a utility
for m onitoring and changing paramet ers with lim it ed
functionality.
Reference com mands cannot be received via serial/
pulse/ analog interfaces.
BAUDRATE
Sets the serial comm unication bit rate between the drive
and the host computer.
CANBITRATE
Sets the CAN bus comm unication bit rate between the drive
and the host computer.
6 .3 .1 Ser ial Ba ud Rat e
The CDHD default baud rate is 115200. I f the setting is changed and saved in
the drive’s non-volat ile RAM m em ory, the drive will use the saved baud rat e at
power up.
I n the event of a connectivit y problem , for exam ple, you m ay want t o try using a
lower baud rat e.
Procedu re – Modifying the Serial Bau d Ra te
To m odify baud rate settings, the change m ust be m ade in bot h the drive and
ServoStudio soft ware.
1 . Change the baud rate in the drive:
Go t o the Term ina l.