Algodue ELETTRONICA UPM307 - Communication Port Setup: Serial; RS232 and RS485 Serial Interfaces

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PROFIBUS VERSION ETHERNET VERSION
The connections are made on the back side of the instrument according to the following order.
1. Digital outputs. See section 7.5
2. Communication port (optional). See section 7.1
3. Power supply. See section 7.7
4. Current inputs. See section 7.6
5. Voltage inputs. See section 7.6
6. FTT-10 LONBUS communication port (optional). See section 7.2
7. RS485 PROFIBUS communication port (optional). See section 7.3
8. ETHERNET communication port (optional). See section 7.4
7.1 SERIAL COMMUNICATION PORT (optional)
Serial port allows a PC connection. The communication port can be supplied
on request as RS232 or RS485.
7.1.1 RS 232
The RS232 interface allows a point to point connection: i.e.
instrument to PC or other device. The maximum recommended
length for this type of connection is about 5 m. For the connection
use a shielded cable with 3 conductors with a DB9 female connector
or DB25, according to the pictures below. The shield must be
connected to the frame of connector.
Terminal DB9F DB25F
RxD Pin 3 - TxD Pin 2 - RxD
TxD Pin 2 - RxD Pin 3 - TxD
GND Pin 5 - GND Pin 7 - GND
Link pins 7 - 8 Link pins 4 - 5
Link pins 1 - 4 - 6 Link pins 6 - 8 - 20