DIGITAL TRANSDUCER
Configuration and Modbus Interface
PRELIMINARY
PCS III Technical Description CANopen 1r1 UK 310715.docx
09/02/2021
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Transmission is started by the master application/controller using the request message
(SYNC).
Communication Profile Index 1800
Subindex 2
1 = using SYNC-Object
16.3.
Setting data transmission/update rate
The factory set time interval of 10 ms can be changed in steps of 1 ms.
Use Table 6 as a guide for making these settings.
Data interval Baud rate [kBaud]
1 ms
250
3 ms
100
10 ms
50
Table 6: Baud rate as a function of data interval when sending PDOs
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Communication Profile Index 1800
Subindex 5
x = Event Timer Value in steps of [1 ms]
16.4.
Saving the new settings
Once all the settings have been made and the transducer reply was correct each time, i.e., no
error message was sent, the settings are saved to Index 1010H, Subindex 1 using an additional
SDO transfer and the signature
'save'
. The power should be on for at least 5 s to make sure all
settings are stored completely.
