2 status diagram of the remote interface, Status diagram of the remote interface, Figure 28 – Metrohm 899 Coulometer User Manual
Page 110: Remote status diagram
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10.7 Remote interface
■■■■■■■■■■■■■■■■■■■■■■
100
■■■■■■■■
899 Coulometer
Inputs
+5 V
approx. 5 k
Ω Pull-up
tp
t
p
> 100 ms
active = low, inactive = high
Outputs
Open Collector
tp
t
p
> 200 ms
active = low, inactive = high
I
C
= 20 mA, V
CEO
= 40 V
+5 V: maximum load = 20 mA
10.7.2
Status diagram of the remote interface
[START]
Output 0
Output 1
Output 3
Output 2
Output 4
ready/EOD
condOK
Error
Start
Stop
Input 0
Input 1
EOD
[START]
[STOP]
Titr/Determ
Figure 28
Remote status diagram
EOD = End of Determination
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