ASCII
21
RS485/RS232 Communications Interface
Note:
Example 3: Tag Access (Continuous Polling of a Parameter)
After receiving a valid response (from Example 2), you can cause the drive to repeat that
response without having to re-establish the connection. You can use this to continuously
monitor a parameter.
ENQUIRY
•
For software users
:
Send (NAK).
•
For programmers, in ASCII:
(NAK)
•
For programmers, in HEX:
15
•
As Characters - Repeat Parameter:
(NAK)
RESPONSE
The response will be as for Example 2, however the returned data will be an updated value, i.e.
SETPOINT may now be 32. (representing 32.00%).
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