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14

Chapter 3 Electrical Specifications

Power Supply

Do not power up the EM2039 until it is properly connected. Be sure the power is cut off before connecting

a flexible cable to or disconnecting a flexible cable from the host interface connector. This could damage

the engine.

Unstable power supply or sharp voltage drops or unreasonably short interval between power-ons may

lead to unstable performance of the engine. Do not resupply the power immediately after cutting it off. The

minimum interval must exceed 500ms.

Ripple Noise

The ripple noise of power supply should be within 50mV (peak-to-peak).

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Содержание EM2039 Series

Страница 1: ...EM2039 Series OEM Scan Engine Integration Guide ...

Страница 2: ...right to make changes to any software or product to improve reliability function or design at any time without notice Besides the information contained herein is subject to change without prior notice The products depicted in this manual may include software copyrighted by FuJian Newland Auto ID Tech Co Ltd or a third party The user corporation or individual shall not duplicate in whole or in part...

Страница 3: ...Revision History Version Description Date V1 0 0 Initial release May 21 2013 ...

Страница 4: ...ations 3 Installation Orientation 4 Optics 5 Window Placement 5 Window Material and Color 6 Scratch Resistance and Coating 6 Window Size 6 Ambient Light 8 Eye Safety 8 Mounting 9 Combined Type unit mm 9 Imager Discrete Type unit mm 11 Decoder Board Discrete Type unit mm 12 Chapter 3 Electrical Specifications 14 Power Supply 14 Ripple Noise 14 DC Characteristics 15 Operating Voltage 15 I O Requirem...

Страница 5: ...o USB 18 Host Interface Connectors 19 12 Pin FPC Connector 19 Micro USB Connector 20 External Circuits 21 Good Read LED Circuit 21 Beeper Circuit 21 Sleep Mode LED Circuit 22 Wake Up Circuit 23 Trigger Circuit 23 Chapter 5 Development Tools 24 EVK 24 QuickSet uExpress 24 ...

Страница 6: ......

Страница 7: ...ro and Data Matrix as well as GS1 DataBarTM RSS Limited Stacked Expanded versions Documents Documents related to the EM2039 include NLS EM2039 series Embedded 2D Barcode Scan Engine Integration Guide Describes how to integrate the EM2039 NLS EM2039 series Embedded 2D Barcode Scan Engine User Guide Explains how to use and program the EM2039 NLS EM2039 series Embedded 2D Barcode Scan Engine Datashee...

Страница 8: ...red light is used as illumination and the engine s lens imaging system is coated with AR film which has obvious anti reflection effect against red light the engine shows better reading performance on barcodes printed in non red colors For applications involving red barcodes it is advised to use non red supplementary lighting The user can conduct some tests to determine the proper wavelengths to be...

Страница 9: ...egrade the engine s performance Ambient Environment The following environmental requirements should be met to ensure good performance of the EM2039 Operating Temperature 20 to 60 Storage Temperature 40 to 80 Humidity 5 to 95 non condensing Thermal Considerations Electronic components in the EM2039 generate heat during the course of their operation Operating the EM2039 in continuous mode for an ext...

Страница 10: ...4 Installation Orientation Fig 2 1 illustrates a front view of the EM2039 after installation Fig 2 1 UP ...

Страница 11: ...e housing to the farthest surface of the window Avoid unwanted reflections and use thin material for window so as to reach better reading performance As shown in Fig 2 2 the distance from the front of the engine housing to the furthest surface of the window should not exceed 3mm and the distance from the front of the engine housing to the nearest surface of the window should not exceed 2mm Fig 2 2...

Страница 12: ... or optical glass with spectral transmittance over 90 and haze less than 1 Whether to use an anti reflection coating or not depends on the material and application needs Scratch Resistance and Coating Scratch on the window can greatly reduce the performance of the EM2039 It is suggested to use abrasion resistant window material or coating Window Size The window must not block the field of view and...

Страница 13: ...7 Illumination Aiming Fig 2 3 Fig 2 4 ...

Страница 14: ...d light can result in performance degradation Eye Safety The EM2039 has LEDs that create the aiming and illumination beams These LEDs are bright but testing has been done to demonstrate that the engine is safe for its intended application under normal usage conditions However the user should avoid looking into the beam ...

Страница 15: ...ide For the discrete type the decoder board and the imager should be separately mounted and connected with a flexible flat cable The discrete type is more flexible for integration and suits devices with smaller space inside The illustrations below show the mechanical mounting dimensions for the EM2039s The structural design should leave some space between components and provide sufficient space fo...

Страница 16: ...10 Bottom View Fig 2 8 Top View Fig 2 9 ...

Страница 17: ...11 Imager Discrete Type unit mm Front View Fig 2 10 Bottom View Fig 2 11 Top View Fig 2 12 ...

Страница 18: ...12 Right View Fig 2 13 Decoder Board Discrete Type unit mm Front View Fig 2 14 ...

Страница 19: ...13 Back View Fig 2 15 Right View Fig 2 16 ...

Страница 20: ...flexible cable from the host interface connector This could damage the engine Unstable power supply or sharp voltage drops or unreasonably short interval between power ons may lead to unstable performance of the engine Do not resupply the power immediately after cutting it off The minimum interval must exceed 500ms Ripple Noise The ripple noise of power supply should be within 50mV peak to peak ...

Страница 21: ...er Minimum Typical Maximum Unit Operating Voltage VIN 3 0 3 3 5 5 V Current 3 3V IOP 425 mA IIdle 11 mA ILow power 3 5 mA I O Requirements VDD 3 3V VSS 0V T 23 C Parameter Minimum Maximum Unit VIL 0 3 0 2 VDD V VIH 0 7 VDD VDD 0 3 V VOL 0 4 V VOH VDD 0 4 V ...

Страница 22: ... as TTL 232 interface or USB interface Micro USB connector can only be used as standard USB interface Fig 4 1 illustrates the positions of 12 pin FPC connector and Micro USB connector on the EM2039 s decoder board as well as the pin layout of FPC connector See the following TTL 232 and USB sections to learn about the pinouts of FPC connector Fig 4 1 ...

Страница 23: ...ceive data 5 TXD O Output TTL level RS 232 transmit data 6 nCTS I Input TTL level RS 232 clear to send 7 nRTS O Output TTL level RS 232 request to send 8 PWRDWN O Output Active high scan engine is in sleep mode 9 nBEEPER O od Output Open Drain Beeper output 10 nGoodRead O od Output Open Drain Good read LED output 11 nWAKE I Input Active low wakes the engine from sleep mode 12 nTrig I Input Active ...

Страница 24: ...erved 6 D I O Input Output USB D signal 7 Reserved Pin function reserved 8 PWRDWN O Output Active high scan engine is in sleep mode 9 nBEEPER O od Output Open Drain Beeper output 10 nGoodRead O od Output Open Drain Good read LED output 11 nWAKE I Input Active low wakes the engine from sleep mode 12 nTrig I Input Active low signal used as trigger input to activate the engine to start a scan and dec...

Страница 25: ... Host Interface Connectors The EM2039 is equipped with 12 pin FPC connector and Micro USB connector 12 Pin FPC Connector The EM2039 uses an FFC FPC connector CF20121V0R0 LF manufactured by CviLux Fig 4 2 ...

Страница 26: ...20 Micro USB Connector The EM2039 s Micro USB connector is a standard connector and can be used accordingly Fig 4 3 ...

Страница 27: ... application The nGoodRead signal is from Pin 10 of the 12 pin FPC connector Fig 4 4 Beeper Circuit The circuit below is used to drive an external beeper The left part shows internal beeper driver circuit on the decoder board and the right part shows external circuit that users may utilize in actual application The nBEEPER signal is from Pin 9 of the 12 pin FPC connector Fig 4 5 Internal LED Drive...

Страница 28: ...er circuit on the decoder board and the right part shows external circuit that users may utilize in actual application The PWRDWN signal is from Pin 8 of the 12 pin FPC connector Users can adjust the external circuit and its function as per actual needs on condition that the external circuit matches the internal circuit Fig 4 6 Internal LED Driver Circuit External Circuit ...

Страница 29: ...08 60R L2 C6 100pF nWAKE Fig 4 7 Trigger Circuit The circuit below is used to provide the engine with an active low signal to activate a scan and decode session The right part shows internal driver circuit on the decoder board and the left part shows external circuit that users may utilize in actual application The nTrig signal is from Pin 12 of the 12 pin FPC connector Users can adjust the extern...

Страница 30: ...er beeper driver circuit LED LED driver circuit trigger reset buttons TTL 232 to RS 232 converter TTL 232 to USB converter RS 232 USB interfaces etc The EM2039 can be connected to the EVK via a 12 pin flat flexible cable Either USB connection or RS 232 connection can be used when connecting the EVK to a host device QuickSet uExpress A bunch of software such as QuickSet and uExpress is provided to ...

Страница 31: ...6 0 708 847 767 nordic newland id com Newland Ibérica 34 0 93 303 74 66 info newland id es Newland France 31 0 345 87 00 33 france newland id com Newland Middle East 31 0 345 87 00 33 middleeast newland id com Newland South Africa 27 0 11 553 8010 info newland id co za Newland Italy 39 0 342 056 2227 italy newland id com Newland Russia 31 0 345 87 00 33 russia newland id com ...

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