Hyperion Optical Sensors - Operating Manual:
MANUAL-1013637447-3 | issue: 1.6
Page | 19
©
2022
– Valeport Ltd
6 Communications
The instrument will operate in real time, with setup performed by direct communications with PC
before and after deployment.
Both RS232 and RS485 (including Modbus) outputs are available, selected by command code.
RS232 data may be taken directly into a PC over cables up to 200m
RS485 is suitable for longer cables, up to 1000m, and allows for multiple addressed units on a
single cable.
Baud Rate
2400 - 115200
Protocol
8 data bits, 1 stop bit, No parity,
No flow control
6.1 Data Output Format $PVHYP (Pre November 2020)
The Hyperion outputs a single NMEA style data string
– Fluorometers pre SN 75100
Example:
$PVHYP,01,01,1234.45, 1.2345, 01, C02,*7F
Where:
Field
Number Description
Type
Description
1
NMEA Header
String
Valeport HYPerion
2
Instrument ID
Integer
3
Parameter ID
Integer
1 = Chlorophyll a
2 = Fluorescein (Uranine)
3 = Rhodamine\Sulforhodamine B
4 = Crude Oil
7 = Phycocyanin (freshwater Blue Green Algae)
8 = Turbidity
4
Parameter Mean
Float
5
Parameter SD
Float
6
Parameter Units
Units
ug/l for Chlorophyll a
ppb for Fluorescein
7
Operating Mode
String
C02 (default)
8
Check Sum
An exclusive OR sum between all characters
between the '$' and the '*'of the string
