Campbell CS325DM, Руководство по эксплуатации продукта, Страница: 12 / 18

CRBasic Example 1: CR1000X program that measures the CS325DM using Modbus
'the following data points are useful but not always necessary
Average
(1,CS325DM_Isc,IEEE4,CS325DM_Isc = NAN)
StdDev
(1,CS325DM_Isc,IEEE4,CS325DM_Isc = NAN)
Average (1,CS325DM_PVTemp,IEEE4,CS325DM_PVTemp = NAN)
StdDev (1,CS325DM_PVTemp,IEEE4,CS325DM_PVTemp = NAN)
EndTable
Function MBDecode (Code) As String
If
(Code > 0)
Then
MBDecode =
"Offline: "
+ Code
ExitFunction
EndIf
Select Case
Code
Case 0
MBDecode = "Success"
Case -1
MBDecode =
"Illegal function"
Case
-2
MBDecode =
"Illegal data address"
Case -3
MBDecode = "Illegal data value"
Case -4
MBDecode = "Slave device failure"
Case -5
MBDecode =
"Acknowledge error"
Case
-6
MBDecode =
"Slave device busy"
Case -8
MBDecode = "Memory parity error"
Case -9
MBDecode = "Gateway path unavailable"
Case -10
MBDecode =
"ModbusMaster error (unexpected func. code response from slave)"
Case
-11
MBDecode =
"ComPort error"
Case -16
MBDecode = "ModbusMaster error (Out of Comms Memory)"
Case -20
MBDecode = "ModbusMaster error (Variable dim. too small to store result)"
Case Else
MBDecode =
"Unknown Error"
EndSelect
EndFunction
BeginProg
'Delay keeps traffic off serial ports for a second after sensors power on.
Delay (0,1000,msec)
CS325DM Silicon Irradiance Reference Sensor 10