73L-OI10B и другие
| Компонент | Описание | Производитель | |
| 73L-OI10 | Contact Closure DC Input Modules |
Grayhill, Inc |
 |
| 73L-OI100M | Contact Closure DC Input Modules |
Grayhill, Inc |
|
| 73L-OI10B | Contact Closure DC Input Modules |
Grayhill, Inc |
|