Timing Of A Data Request - JUMO dTRON 04.1 Bedienungsanleitung

2.4.1 Timing of a data request

Timing
scheme
2 Protocol description
A data request runs according to the following timing scheme:
M ast er D at a r equest
Sl ave
t End marker = 3 characters
0
(this time depends on the baud rate)
t This time depends on the internal processing.
1
The maximum processing time is 250 msec.
t This is the time required by the instrument to switch from transmit-
2
ting back to receiving. The master must wait this time before mak-
ing a fresh data request. It must always be maintained, even when
the new data request is addressed to a different instrument.
t = 20msec or more
2
Response
t t
0 1
9
D at a r equest
t t
0 2
t