Parker Hannifin S.p.A.  - S.B.C. Division                                               HPD N User’s Manual 
 
104 
 
18. Digital I/O 
 
The Digital I/O connector is a 25-pin male connector 
 
DIGITAL I/O CONNECTOR 
N. Pin  Signal  Description 
1  DIN-0  DIGITAL INPUT 0 
2  DIN-1  DIGITAL INPUT 1 
3  DIN-2  DIGITAL INPUT 2 
4  DIN-3  DIGITAL INPUT 3 
5  DIN-4  DIGITAL INPUT 4 
6  DIN-5  DIGITAL INPUT 5 
7  DIN-6  DIGITAL INPUT 6 
8  DIN-7  DIGITAL INPUT 7 
9 +24Vin COMMON OUT 
10 +24Vin COMMON OUT 
11 +24Vin COMMON OUT 
12 +24Vin COMMON OUT 
13 +24Vin COMMON OUT 
14  DOUT-0  DIGITAL OUTPUT 0 
15  DOUT-1  DIGITAL OUTPUT 1 
16  DOUT-2  DIGITAL OUTPUT 2 
17  DOUT-3  DIGITAL OUTPUT 3 
18  DOUT-4  DIGITAL OUTPUT 4 
19  DOUT-5  DIGITAL OUTPUT 5 
20  DOUT-6  DIGITAL OUTPUT 6 
21  DOUT-7  DIGITAL OUTPUT 7 
22 0V COMMON IN 
23 0V COMMON IN 
24 0V COMMON IN 
25 0V COMMON IN 
 
It uses digital PNP-type inputs. The characteristics common to all inputs are as follows: 
 
 
DIGITAL INPUTS 
Impedence input  6K  Ohm 
VH 15...30 V 
VL 0...3 V