LASCAR EM32-4B-LED User Manual
EM32-4B-LED
Round Hole Mounting LED Data Display
The EM32-4B-LED isa4digitLEDdatadisplaywhichisdesignedtobepanelmountedinmostlowandmedium
volume applications. The display features 8mm digit height, 3 decimal points and a very low current
consumption. This product is designed so no soldering is required. Connection is via 2 rows of square posts for
the main functions and the optional external LEDs. The module features a round metal bezel, requiring a
32.5mm (1.28") diameter cut-out. It is secured with the nut provided. Protection from the front to IP 67 / NEMA
4X standardsisachieved by placingthe rubber sealbetween the moduleand panel duringassembly.
FEATURES
•8
mm (0.31") Digit Height
• 20mA @ 5Vd.c. Operation
• Programmable
•
Drives up to 4 External LEDs
• Connection via 2 Rows of Posts
• Round
Metal Bezel
• Requires 32.5mm (1.28") Diameter Cut-out
• IP67 / NEMA 4X Protected
Decimal Points
TYPICAL APPLICATIONS
• Panel Mount Instrumentation
• Process & Control
ORDERING INFORMATION
Stock Number
Standard Display EM32-4B-LED
• Automotive
ELECTRICAL SPECIFICATIONS
Specification Min. Typ. Max. Unit
Supply voltage 4 5 9 V d.c.
Supply current 20* mA
Operating temperature range -10 60 °C
Storage temperature range -10 60 °C
LED
V 3 V d.c.
Clock input frequency 500 kHz
Unless otherwise noted,specificationsapply at T =25°C,V =5Vd.c.
Supply current dependsonsupply voltage, brightnesssettingand number ofLEDsilluminated.
A supply
SAFETY
Tocomply withthe LowVoltage Directive (LVD 93/68/EEC), input voltages to the module’s pins must not exceed
60Vdc. The usermust ensure that theincorporation of the panel meter intothe user ’s equipmentconforms to the
relevant sections of BS EN 61010 (Safety Requirements for Electrical Equipment for Measuring, Control and
Laboratory Use).
LASCAR ELECTRONICS LTD.
MODULE HOUSE
WHITEPARISH
WILTSHIRE SP5 2SJ
UK
TEL: +44 (1794) 884567
FAX: +44 (1794) 884616
E-mail: sales@lascar.co.uk
Specifications liable to change without prior warning EM32-4B-LED Issue Beta2 November/2004 M.C. Applies to EM32-4B-LED/1
LASCAR ELECTRONICS INC.
3750 West 26th Street
Erie
PA 16506
USA
TEL: +1 (814) 835 0621
FAX: +1 (814) 838 8141
E-mail: us-sales@lascarelectronics.com
www.lascarelectronics.com
LASCAR ELECTRONICS (HK) LIMITED
FLAT C, 5/FL., LUCKY FTY. BLDG.
63-65 HUNG TO ROAD
KWUN TONG KOWLOON
HONG KONG
TEL: +852 2797 3219
FAX: +852 2343 6187
E-mail: b4lascar@samsongroup.com.hk
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EM32-4B-LED
DIMENSIONS
All dimensions in mm (inches)
1.7 (0.07)
1.5 (0.06)
Round Hole Mounting LED Data Display
15.0 (0.59)
5.5 (0.22)
3.0 (0.12)
23.5 (0.93)
32.5
(1.28)
Panel cut-out
PANEL MOUNTING
38.0 (1.5)
32.0 (1.26)
23 41
FUNCTIONAL BLOCK DIAGRAM
V+
Vreg
L
Brightness
......
35 Output Buffers
E
D
Ck
Specifications liable to change without prior warning EM32-4B-LED Issue Beta2 November/2004 M.C. Applies to EM32-4B-LED/1
LE
0V
......
35 Latches
......
35 Bit Shift Register
0V
Power On
Load
Reset
www.lascarelectronics.com
V
L1
L2
L3
L4
Reset
R
CONNECTIONS (rear view)
Brightness
L1 L2 L3 L4 VL
LE
RECkDV+0V
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