Metrohm 877 Titrino plus - Manual (Page 117)

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10 Appendix
877 Titrino plus
￭￭￭￭￭￭￭￭ 107
Table 6 Inputs and outputs of the remote interface
Pin No. Assignment Function
1 Output 0 Ready/EOD
2 Output 1 Activate/Dosimat
3 Output 2 Titration
4 Output 3 Cond OK
5 Output 4 Error
6 0 volt (GND)
7 +5 volts
8 Input 0 Start
9 Input 1 Stop
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