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DECIMAL POINT POSITION SELECTION
The decimal point position is DIP switch selectable for one of three locations.
The CUB4LP/CL can be set up to read in 10ths, 100ths, or 1000ths. If all the
DIP switches are set to the “OFF” position, no decimal point will appear on the
display. The DIP switches are located at the rear of the unit.
APPLICATION EXAMPLE
Operation of a refinery process required a local display of the position of a
remote pipeline valve. The display would indicate 0 (zero) when the valve was
fully closed with an input signal of 4 mA. When the valve was fully open the
display would indicate 100 with an input signal of 20 mA.
Both the CUB4LP and the CUB4CL meet the necessary requirements.
CONTROL
DEVICE
+
-
+
-
VALVE
SIG +
COMM
(SIG -)
CUB4LP
CALIBRATING THE DISPLAY
Calibrating the CUB4LP/CL requires either an accurate adjustable constant
current supply or the CUB4LP/CL can be installed and scaled with the process
sensor connected to the CUB4LP/CL. To calibrate the unit, proceed as follows.
BLOCK DIAGRAM
1. Set DIP switching for the desired current range.
2. Select the desired decimal point position.
3. Apply the minimum input signal to the CUB4LP/CL and adjust the COARSE
OFFSET to display the approximate desired minimum value.
4. Apply the maximum input signal to the CUB4LP/CL and adjust the COARSE
SPAN to display the approximate desired maximum value.
5. Repeat steps 3 and 4 until the minimum and maximum values are within the
desired values.
6. Apply the minimum input signal to the CUB4LP/CL and adjust the FINE
OFFSET to display the exact desired minimum value.
7. Apply the maximum input signal to the CUB4LP/CL and adjust the FINE
SPAN to display the exact desired maximum value.
8. Apply the minimum input signal and verify that the display indicates
correctly.
9. Apply the maximum input signal and verify that the display indicates
correctly.
10. Repeat Steps 6 through 9 until display reads exact.
COM 1
(CL ONLY)
+VDC 2
(CL ONLY)
SIG- 3
Connection for
CUB4LP40
SIG+ 4
12.7
0.1 μ f
50 VDC
S1
8.25
FINE
OFFSET
COARSE
SPAN
COARSE
OFFSET
FINE
SPAN
BACKLIGHT
-V
GND
+V
S4
S3
S2
Note: The CUB4LP/CL display is factory calibrated to indicate 0.0 to 100.0
with an input of 4 to 20 mA at approximately 25°C.
ORDERING INFORMATION
MODEL NO.
CUB4LP
DESCRIPTION
Reflective LCD Loop Powered Process Indicator
Red Backlit LCD Loop Powered Process Indicator
Positive Image Transflective LCD
PART NUMBERS
CUB4LP00
*CUB4LP40
TROUBLESHOOTING
For further technical assistance, contact technical
support at the appropriate company numbers listed.
CUB4CL
MLPS
Yel/Grn Backlit LCD External Powered Process
Indicator Negative Image Transmissive LCD
Red Backlit LCD External Powered Process
Indicator Negative Image Transmissive LCD
Yel/Grn Backlit LCD External Powered Process
Indicator Positive Image Transflective LCD
Red Backlit LCD External Powered Process
Indicator Positive Image Transflective LCD
Micro Line/Sensor Power Supply
(Non-hazardous use only)
CUB4CL10
CUB4CL20
CUB4CL30
CUB4CL40
MLPS1000
*Backlight intensity will vary depending on signal level.
Red Lion Controls
Red Lion Controls
Headquarters
20 Willow Springs Circle
York PA 17406
Tel +1 (717) 767-6511
Fax +1 (717) 764-0839
Red Lion Controls
Europe
Softwareweg 9
NL - 3821 BN Amersfoort
Tel +31 (0) 334 723 225
Fax +31 (0) 334 893 793
Red Lion Controls
India
201-B, 2nd Floor, Park Centra
Opp 32 Mile Stone, Sector-30
Gurgaon-122002 Haryana, India
Tel +91 984 487 0503
China
Unit 302, XinAn Plaza
Building 13, No.99 Tianzhou Road
ShangHai, P.R. China 200223
Tel +86 21 6113 3688
Fax +86 21 6113 3683
发布紧急采购，3分钟左右您将得到回复。
相关PDF资料
CUB4I020
DC METER W/RED BKLTING
CUB4TC00
METER PANEL LCD THERMOCOUPLE
CUB5COM1
RS485 SERIAL COMMO CARD
CUB5IB00
DC METER RED/GREEN BKLT
CUB5PB00
PROCESS METER RED/GREEN BKLT
CUB5RTR0
RTD METER REFLECTIVE
CUB5TCB0
METER PANEL LCD THERMOCOUPLE RED
CUB5USB0
USB OPTION CARD
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