Campbell CR1000 User Manual

Section 8. Operation
CRBasic Example 64. Measuring Settling Time
'This program example demonstrates the measurement of settling time using a single
'measurement instruction multiple times in succession. In this case, the program measures
'the temperature of the CR1000 wiring panel.
Public RefTemp 'Declare variable to receive instruction
BeginProg
Scan(1,Sec,3,0)
PanelTemp(RefTemp, 250) 'Instruction to make measurement
NextScan
EndProg measures the settling time of a sensor measured with a differential
'voltage measurement
Public PT(20) 'Variable to hold the measurements
DataTable(Settle,True,100)
Sample(20,PT(),IEEE4)
EndTable
BeginProg
Scan(1,Sec,3,0)
BrFull(PT(1),1,mV7.5,1,Vx1,2500,True,True,100, 250,1.0,0)
BrFull(PT(2),1,mV7.5,1,Vx1,2500,True,True,200, 250,1.0,0)
BrFull(PT(3),1,mV7.5,1,Vx1,2500,True,True,300, 250,1.0,0)
BrFull(PT(4),1,mV7.5,1,Vx1,2500,True,True,400, 250,1.0,0)
BrFull(PT(5),1,mV7.5,1,Vx1,2500,True,True,500, 250,1.0,0)
BrFull(PT(6),1,mV7.5,1,Vx1,2500,True,True,600, 250,1.0,0)
BrFull(PT(7),1,mV7.5,1,Vx1,2500,True,True,700, 250,1.0,0)
BrFull(PT(8),1,mV7.5,1,Vx1,2500,True,True,800, 250,1.0,0)
BrFull(PT(9),1,mV7.5,1,Vx1,2500,True,True,900, 250,1.0,0)
BrFull(PT(10),1,mV7.5,1,Vx1,2500,True,True,1000, 250,1.0,0)
BrFull(PT(11),1,mV7.5,1,Vx1,2500,True,True,1100, 250,1.0,0)
BrFull(PT(12),1,mV7.5,1,Vx1,2500,True,True,1200, 250,1.0,0)
BrFull(PT(13),1,mV7.5,1,Vx1,2500,True,True,1300, 250,1.0,0)
BrFull(PT(14),1,mV7.5,1,Vx1,2500,True,True,1400, 250,1.0,0)
BrFull(PT(15),1,mV7.5,1,Vx1,2500,True,True,1500, 250,1.0,0)
BrFull(PT(16),1,mV7.5,1,Vx1,2500,True,True,1600, 250,1.0,0)
BrFull(PT(17),1,mV7.5,1,Vx1,2500,True,True,1700, 250,1.0,0)
BrFull(PT(18),1,mV7.5,1,Vx1,2500,True,True,1800, 250,1.0,0)
BrFull(PT(19),1,mV7.5,1,Vx1,2500,True,True,1900, 250,1.0,0)
BrFull(PT(20),1,mV7.5,1,Vx1,2500,True,True,2000, 250,1.0,0)
CallTable Settle
NextScan
EndProg
320

Campbell CR1000 Specifications

General

Power Requirements	9.6 to 16 VDC
Data Logger Operating System	CRBasic
Memory	4 MB
Analog Inputs	16 single-ended or 8 differential
Analog Input Resolution	13 bits
Analog Input Range	+/-2.5V
Digital I/O	8
Pulse Counters	2
Communication Ports	RS-232
Operating Temperature	-25°C to +50°C
Pulse Channels	4