Serial interface COM2 (optional)ΒΆ
The optional serial COM2 interfaces provides communication via RS-485 and is carried out as a 5-pin removable terminal with screw connection. The COM2 interface can be used
- for online connection with the PS501 Control Builder Software (via a RS-485 programming cable. e. g. TK504 TK504 - Programming Cable)
- as Modbus RTU (master and slave)
- for ASCII serial protocols
Note
The Serial RS-485 Interface is not electrically isolated.
Note
Communication via CS31 bus is not possible.
TA562-RS - Serial RS-485 Adaptor TA562-RS-RTC - Adapter with Serial RS-485 (COM2) and Real-time Clock
The pin assignment of the serial interface COM2:
| 1 | Terminator P | |
| 2 | TxD/RxD-P | |
| 3 | TxD/RxD-N | |
| 4 | Terminator N | |
| 5 | Functional earth |