| Model Prefix | Description | English |
| FNT02 | FN with AS-i passive drop connector |  |
| FNT04 | FN with FF/Profibus PA passive drop connector | |
| FNT06 | FN with DeviceNet passive drop connector | |
| FNT08 | FN with Profibus DP/ Modbus passive drop connector |
|
| FNP02 | FN with AS-i protected drop connector | |
| FNP04 | FN with FF / Profibus PA protected drop connector | |
| FNP06 | FN with DeviceNet protected drop connector | |
| FNP08 | FN with Profibus-DP / Modbus protected drop connector | |
| FNS02 | FN with AS-i protected drop switches | |
| FNS04 | FN with FF / Profibus PA protected drop switches |
|
| FNS06 | FN with DeviceNet protected drop switches | |
| FNS08 | FN with Profibus DP/ Modbus protected drop switches | |
| FNM96 | FN with AS-i I/O Module | |
| FNM97 | FN with AS-i I/O module (Ext addr) | |
| FNR96 | FN with AS-i I/O module Relay out Indep. | |
| FNR97 | FN with AS-i I/O module Relay out Indep. (Ext addr) | |
| FNI96 | FN with AS-i I/O module Relay out Interlock | |
| FNI97 | FN with AS-i I/O module Relay out Interlock (Ext addr) | |
