73L-IT5B и другие
| Компонент | Описание | Производитель | |
| 73L-IT5 | Contact Closure DC Input Modules |
Grayhill, Inc |
 |
| 73L-IT5000 | Contact Closure DC Input Modules |
Grayhill, Inc |
|
| 73L-IT50M | Contact Closure DC Input Modules |
Grayhill, Inc |
|
| 73L-IT5B | Contact Closure DC Input Modules |
Grayhill, Inc |
|