Metrohm Dosimat plus 876

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
8 Appendix
876 Dosimat plus
￭￭￭￭￭￭￭￭
59
Pin No. Assignment Function
4 Output 3 Pulse
5 Output 4 Error
6 0 volt (GND)
7 +5 volts
8 Input 0 Start/Go
9 Input 1 Stop/Fill
Inputs
+5 V
approx. 5 kΩ Pull-up
t
p
t
p
> 100 ms
active = low, inactive = high
Outputs
Open Collector
t
p
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