SR05-D1A3-PV manual v1801 9/83
Communication with a PC: Hukseflux Sensor Manager Software
For communication between a PC and SR05-D1A3-PV(‘s), the Hukseflux Sensor Manager
software can be used. It is available for download on our website. The software allows
the user to quickly configure SR05-D1A3-PV Modbus address and serial communication
settings (baud rate, parity and stopbits) and to plot and export data. Also, the digital
outputs may be viewed for sensor diagnostics.
Figure 0.5 U
ser
interface of the Hukseflux Sensor Manager
Compatibility
SR05-D1A3-PV’s Modbus interface is exchangeable with IMT-Solar Si-RS485TC-T-MB PV
reference cell’s interface. Other reference cells upon request.
Suggested use for SR05-D1A3-PV
• replacement of PV reference cells
• measuring global tilted irradiance (GTI) in the Plane of Array (PoA) of solar panels
• measuring global horizontal irradiance (GHI)
SR05-D1A3-PV is suited for use in SCADA (Supervisory Control And Data Acquisition)
systems, supporting Modbus RTU (Remote Terminal Unit) protocol over RS-485. In these
networks the sensor operates as a slave. Using SR05-D1A3-PV in a network is easy.
Once it has the correct Modbus address and communication settings and is connected to
a power supply, the instrument can be used in RS-485 networks. A typical network will
request the irradiance (either register 0x0000 or registers 0x1002 + 0x1003) and
temperature data (either register 0x0007 or register 0x1006) every 1 second, and
eventually store the averages every 60 seconds. How to issue a request, process the
register content and convert it to useful data is described in the paragraphs about
network communication. The user should have sound knowledge of the Modbus
communication protocol when installing sensors in a network. When using the analogue
0 to 1 V output provided by SR05-D1A3-PV, the instrument can be connected directly to
commonly used datalogging systems capable of handling a 0 to 1 V signal.
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