￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
7 Appendix
890 Titrando
￭￭￭￭￭￭￭￭
31
Inputs
+5 V
approx. 50 k
Ω
Pull-up
tp
t
p
> 20 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
The following tables offer information concerning the assignment of the
individual pins and their function:
Table 1
Inputs and outputs of the remote interface
Assignment
Pin No.
Function
*
Input 0
21
Start
Input 1
9
Stop
Input 2
22
Input 3
10
Quit
Input 4
23
–
Input 5
11
Input 6
24
Input 7
12
Output 0
5
Ready
Output 1
18
Conditioning OK
Output 2
4
Determination
Output 3
17
EOD
Output 4
3
Output 5
16
Error
Output 6
1
Output 7
2
Warning