CN21 | Terminal | Symbol | Description | Address |
| 1 | IA1+ | + analog input 1 | 3.AI01 |
2 | IA1- | - analog input 1 |
3 | IA2+ | + analog input 2 | 3.AI02 |
4 | IA2- | - analog input 1 |
5 | IA3+ | + analog input 3 | 3.AI03 |
6 | IA3- | - analog input 1 |
7 | IA4+ | + analog input 4 | 3.AI04 |
8 | IA4- | - analog input 1 |
9 | GAI | Common for analog inputs | |
CN22 | Terminal | Symbol | Description | Address |
| 1 | IA5+ | + analog input 1 | 3.AI05 |
2 | IA5- | - analog input 1 |
3 | IA6+ | + analog input 2 | 3.AI06 |
4 | IA6- | - analog input 1 |
5 | IA7+ | + analog input 3 | 3.AI07 |
6 | IA7- | - analog input 1 |
7 | IA8+ | + analog input 4 | 3.AI08 |
8 | IA8- | - analog input 1 |
9 | GAI | Common for analog inputs | |