Campbell CR850 User Manual

Section 7. Installation
201
#ElseIf LoggerType = CR800
Const SourcSerialPort = Com1
#Else
Const SourcSerialPort = Com1
#EndIf
'Public Variables
Public ValueRead, SelectedSpeed As String * 50
'Main Program
BeginProg
'Return the selected speed and logger type for display.
#If LoggerType = CR3000
SelectedSpeed = "CR3000 running at " & Speed & " intervals."
#ElseIf LoggerTypes = CR1000
SelectedSpeed = "CR1000 running at " & Speed & " intervals."
#ElseIf LoggerType = CR800
SelectedSpeed = "CR800 running at " & Speed & " intervals."
#Else
SelectedSpeed = "Unknown Logger " & Speed & " intervals."
#EndIf
'Open the serial port
SerialOpen(SourcSerialPort,9600,10,0,10000)
'Main Scan
Scan(ScanRate,Sec,0,0)
'Measure using different parameters and a different SE channel depending
'on the datalogger type the program is running in.
#If LoggerType = CR3000
'This instruction is used if the logger is a CR3000
VoltSe(ValueRead,1,mV1000,22,0,0,_50Hz,0.1,-30)
#ElseIf LoggerType = CR1000
'This instruction is used if the logger is a CR1000
VoltSe(ValueRead,1,mV2500,12,0,0,_50Hz,0.1,-30)
#ElseIf LoggerType = CR800
'This instruction is used if the logger is a CR800 Series
VoltSe(ValueRead,1,mV2500,3,0,0,_50Hz,0.1,-30)
#Else
ValueRead = NaN
#EndIf
NextScan
EndProg
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7.8.8 Serial I/O
The CR800 communicates with smart sensors that deliver measurement data
through serial data protocols.
Read More! See Telecommunications and Data Retrieval
(p. 332) for background
on CR800 serial communications.

Campbell CR850 Specifications

General

Brand	Campbell
Model	CR850
Category	Measuring Instruments
Language	English