Interfaces 
  4.4 Digital inputs/outputs 
X132 Digital inputs/outputs 
 
Pin  Signal name  Signal type  Meaning 
1  DI4  I  Digital input 4  
2  DI5  I  Digital input 5  
3  DI6  I  Digital input 6  
4  DI7  I  Digital input 7  
5  M2  GND  Ground for DI4 – DI7 
(functionally-separated 
relative to M) 
6  M  GND  Ground 
7  DI/DO12  B  Digital input/output 12 
8  DI/DO13  B  Digital input/output 13 (fast 
input) 
9  M  GND  Ground 
10  DI/DO14  B  Digital input/output 14 (fast 
input) 
11  DI/DO15  B  Digital input/output 15 (fast 
input) 
12  M  GND  Ground 
 
4.4.3  Technical data for X122 and X132 
Digital inputs on X122/X132 
Table 4-9  Technical data of digital inputs X122/X132 
parameters  Values 
Voltage  -3 V to 30 V 
Typical power consumption  10 mA at 24 VDC 
Electrically isolated  Reference potential is terminal M1 or M2 
Signal level (including ripple factor)  High signal level: 15 V to 30 V 
  Low signal level: -3 V to 5 V 
Signal propagation delays  L ∀ H: 50 μs 
  H ∀ L: 100 μs 
D4xx 
Manual, 12.2004, 6AU1900-1AJ32-0BA0   
4-9