Metrohm 899 Coulometer - Manual (Page 110)

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