Interfaces   
3.4 Digital inputs/digital outputs 
  D4x5 
40  Manual, 03/2007 Edition 
Interface assignment of X122 and X132 
Table 3-8  Digital inputs/digital outputs X122 
Pin  Signal name  Signal type  Meaning 
1  DI0  I  Digital input 0  
2  DI1  I  Digital input 1 
3  DI2  I  Digital input 2 
4  DI3  I  Digital input 3 
5  M1  GND  Ground for DI0 - DI3 (functionally-separated relative to M) 
6  M  GND  Ground 
7  DI/DO8  B  Digital input/digital output 8 
8  DI/DO9  B  Digital input/digital output 9 (rapid input) 
9  M  GND  Ground 
10  DI/DO10  B  Digital input/digital output 10 (rapid input) 
11  DI/DO11  B  Digital input/digital output 11 (rapid input) 
12  M  GND  Ground 
Signal type: B = Bidirectional; I = Input; GND = Reference potential (ground) 
 
Table 3-9  Digital inputs/digital outputs X132 
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/digital output 12 
8  DI/DO13  B  Digital input/digital output 13 (rapid input) 
9  M  GND  Ground 
10  DI/DO14  B  Digital input/digital output 14 (rapid input) 
11  DI/DO15  B  Digital input/digital output 15 (rapid input) 
12  M  GND  Ground