73L-IT10 и другие
| Компонент | Описание | Производитель | |
| 73L-IT1 | Contact Closure DC Input Modules |
Grayhill, Inc |
 |
| 73L-IT10 | Contact Closure DC Input Modules |
Grayhill, Inc |
|
| 73L-IT100M | Contact Closure DC Input Modules |
Grayhill, Inc |
|
| 73L-IT10B | Contact Closure DC Input Modules |
Grayhill, Inc |
|