Description¶
The function module terminal bases have slots for one FM502_CMS, one processor module and for communication modules as well as terminals and interfaces for power supply, expansion, networking and IO. The number of slots differs depending on the type of terminal base.
| Slot | TF501_CMS | TF521_CMS |
|---|---|---|
| Slots for processor modules | 1 | 1 |
| Slots for function modules | 1 | 1 |
| Slots for communication modules | 0 | 2 |
Attention
:strong:Risk of malfunctions!
Unused slots for communication modules are not protected against accidental physical contact.
- Unused slots for communication modules must be covered with dummy communication modules (TA524 TA524 - Dummy Communication Module to achieve IP20 rating.
- I/O bus connectors must not be touched during operation.