The Rs-485 Interface; Led Indicators And Controls - Pepperl+Fuchs PGV...-F200...-R4-V19 Series Manual

PGV...-F200/-F200A...-R4-V19
Product Description
2.2

The RS-485 Interface

The read head is equipped with an RS-485 interface for communication purposes, i.e.,
parameterizing the read head functions or reading out current process data during operation.
This interface is operated in 8-E-1 mode and fitted with a terminator that can be activated or
deactivated by parameterizing the sensor head accordingly. The RS-485 interface supports
the following transfer rates:
38400 bit/s

57600 bit/s

76800 bit/s

115200 bit/s(preset value)

230400 bit/s

Data structure of the RS-485 interface
Start
2.3

LED Indicators and Controls

The read head is equipped with seven indicator LEDs for carrying out visual function checks
and rapid diagnostics. The read head is equipped with two buttons at the back for activating
parameterization mode. Button 1 is labeled ADJUST. Button 2 is labeled CONFIG.
ADJUST
CONFIG
LED
Figure 2.3
Bit 0 Bit 1 Bit 2
LSB
1
2
1 2 3 4 5 6 7
Bit 3 Bit 4 Bit 5 Bit 6 Bit 7 Parity
MSB Stop
9