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PROGRAMMING CALCULATIONS (Select one of the following)
Per second = 0.07 ?
? (multiply this value by DDP)
USING KNOWN RPM
An amusement park director wants his parking tram operators to keep their
speed under a certain limit. He has a magnetic sensor looking at a shaft on the
tram with 30 pulses per revolution. When the shaft is turning at 50 RPM he
wants the meter to show 15.5. The Ditak 9 is programmed as follows:
DR = Desired Reading
DDP = Display Decimal Point
RPM = Revolutions Per Minute
PPR = Pulses Per Revolution
DDP: Use the following corresponding numbers in the formula for the Display
Decimal Point:
0=1
0.0 = 10
0.00 = 100
0.000 = 1000
RPM = 50
PPR = 30
DR = 15.5
DDP = 10
HERTZ (HZ) = RPM x PPR = 50 x 30 = 25
60 60
CALCULATED TIME BASE = DR x DDP = 15.5 x 10 = 6.2
HZ 25
ROUNDED TIME BASE (RTB) = 6
REMAINDER MULTIPLIER (RM) = DR x DDP = 15.5 x 10 = 1.0333
RTB x HZ 6 x 25
RM = 1.0333
Decimal = 0.0
RTB = 6
ROUNDED TIME BASE (RTB) = Round Calculated Time Base to nearest
whole number between 1-7.
If RM is greater than 1.9999, then remove a decimal location or add more
pulses per revolution.
ORDERING INFORMATION
USING KNOWN PULSES PER UNIT
A newspaper company wants to know the line speed of their press to tenths
of feet per minute. They have an encoder that gives 125 pulses per foot. The
Ditak 9 is programmed as follows:
TF = Time Factor
DDP = Display Decimal Point
PPU = Pulses Per (Single) Unit
TF: = Use one of the following numbers in the formula for the Time Factor:
Per second = 1
Per minute = 60
Per hour = 3600
DDP: Use the following corresponding numbers in the formula for the Display
Decimal Point:
0=1
0.0 = 10
0.00 = 100
0.000 = 1000
Required minimum pulses per (single) unit:
Per minute = 4.4
Per hour = 259.0 ?
PPU = 125 (pulses per foot)
DDP = 10 (for tenths of a foot)
TF = 60 (for per minute)
CALCULATED TIME BASE = TF x DDP = 60 x 10 = 4.8
PPU 125
ROUNDED TIME BASE (RTB)= 5
REMAINDER MULTIPLIER (RM) = TF x DDP = 60 x 10 = 0.9600
RTB x PPU 5 x 125
RM = 0.9600
Decimal = 0.0
RTB = 5
ROUNDED TIME BASE (RTB)= Round Calculated Time Base to nearest
whole number between 1-7.
If RM is greater than 1.9999, then remove a decimal location or add more
pulses per unit.
MODEL NO.
DESCRIPTION
Adjustable Timebase Tachometer
PART NUMBER
DT900000
DT9
MLPS
Adjustable Timebase Tachometer
with Yellow/Green Backlighting
Adjustable Timebase Tachometer
with Red Backlighting
MLPS Micro Line Sensor/Power Supply
DT900010
DT900020
MLPS1000
TROUBLESHOOTING
For further technical assistance, contact Technical
Support at the appropriate company numbers listed.
For more information on Pricing, Enclosures & Panel Mount Kits refer to the
RLC Catalog or contact your local RLC distributor.
Red Lion Controls AP
Red Lion Controls
20 Willow Springs Circle
York PA 17406
Tel +1 (717) 767-6511
Fax +1 (717) 764-0839
Red Lion Controls BV
Printerweg 10
NL - 3821 AD Amersfoort
Tel +31 (0) 334 723 225
Fax +31 (0) 334 893 793
31, Kaki Bukit Road 3,
#06-04/05 TechLink
Singapore 417818
Tel +65 6744-6613
Fax +65 6743-3360
发布紧急采购，3分钟左右您将得到回复。
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