2 status diagram of the remote interface, Status diagram of the remote interface, Figure 21 – Metrohm 865 Dosimat plus User Manual
Page 77: Remote status diagram dos
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8 Appendix
865 Dosimat plus
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67
Pin No.
Assignment
Function
6
0 volt (GND)
7
+5 volts
8
Input 0
Start/Go
9
Input 1
Stop/Fill
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
8.6.2
Status diagram of the remote interface
Dosing mode DOS
Output 0
Output 1
Output 2
Output 3
Output 4
ready
Error
Start
Stop
Input 0
Input 1
[Fill]
[GO]
[Go]
Pulse
Figure 21
Remote status diagram DOS
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