Newland EM3296 Integration Manual Download Page 22 | Manualshive

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16

Good Read LED

The EM3296 provides a pin (LED, PIN 10) on the host interface connector that can be used by an external
driver circuit to drive an LED to indicate a Good Read status. When a good read occurs, the LED pin
produces a high level output and then the signal is back to a low level. This Good Read LED output is not
strong enough to drive an LED, so an LED driver circuit is needed.

The following Good Read LED driver circuit is provided for reference.

2N3904

Q8

R1 1K

LED

R3

1k

LED

D3

R2

10K

VDD

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Summary of Contents for EM3296

Page 1: ...SCANNING MADE SIMPLE EM3296 OEM scan engine integration guide...

Page 2: ...unction or design at any time without notice The information contained herein is subject to change without prior notice The products depicted in this manual may include software copyrighted by Fujian...

Page 3: ...ged the operating current to 175mA standby current to 8mA May 9 2016 V1 0 2 1 Deleted the Ambient Environment section in Chapter 2 2 Modified the Operating Voltage and Operating Current sections in Ch...

Page 4: ...ions 2 Installation Orientation 2 Optics 3 Window Placement 3 Window Material and Color 3 Scratch Resistance and Coating 4 Window Size 4 Ambient Light 5 Eye Safety 5 Mounting 6 Front View unit mm 6 Si...

Page 5: ...terface Connector 10 Dimensions of the Host Interface Connector unit mm 11 FFC Cable unit mm 12 Communication Interfaces 13 Control Interfaces 14 Reset 14 Trigger 14 Beeper 15 Good Read LED 16 Chapter...

Page 6: ......

Page 7: ...M3296 has two red LEDs for supplementary lighting making it possible to scan barcodes even in complete darkness The illumination can be programmed On or Off The EM3296 uses red LEDs for illumination s...

Page 8: ...ermal Considerations Electronic components in the EM3296 will generate heat during the course of their operation Operating the EM3296 in continuous mode for an extended period may cause temperatures t...

Page 9: ...d 3mm and the distance from the front of the engine housing to the nearest surface of the window should not exceed 2mm If the window is required to be in a tilted position the distance requirements ab...

Page 10: ...dow can greatly reduce engine performance It is suggested to use abrasion resistant window material or coating Window Size The window must not block the field of view and should be sized to accommodat...

Page 11: ...wer However high frequency pulsed light can result in performance degradation Eye Safety The EM3296 has no lasers It uses LEDs to produce illumination and aiming beams The LEDs are bright but testing...

Page 12: ...6 Mounting The illustrations below show the mechanical mounting dimensions for the EM3296 The structural design should leave some space between components Front View unit mm Side View unit mm...

Page 13: ...7 Top View unit mm...

Page 14: ...nstable 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 T...

Page 15: ...D Voltage Drain Drain 3 0 3 3 3 6 V VIH High Level Input Voltage VDD 0 5 V VIL Low Level Input Voltage 0 5 V VOH High Level Output Voltage VDD 0 3 V VOL Low Level Output Voltage 0 3 V Operating Curren...

Page 16: ...level 232 transmit data 6 USB_D I O USB_D differential data signal 7 USB_D I O USB_D differential data signal 8 NC Not connected 9 Buzz O Beeper output External beeper driver circuit to drive beeper 1...

Page 17: ...nsions of the Host Interface Connector unit mm The EM3296 uses a 12 pin FPC ZIF socket bottom contact model 10051922 1210EHLF manufactured by FCI The socket can be connected to a host device with a FF...

Page 18: ...sed to connect the EM3296 to a host device The cable design must be consistent with the specifications shown below Use reinforcement material for the connectors on the cable and reduce cable impedance...

Page 19: ...check and 1 stop bit Besides the EM3296 can also communicate with the host device via its USB interface 1 USB HID KBW Based on USB connection the engine s transmission is simulated as USB keyboard inp...

Page 20: ...he EM3296 waits for the voltage at the nTrig pin to turn high or the trigger to be released after sending the data to the Host If the trigger is released during a scan attempt the EM3296 immediately s...

Page 21: ...iver circuit for generating audible feedback to the user to indicate statuses like power up or good read The PWM output is not strong enough to drive a beeper thus a beeper driver circuit is needed Th...

Page 22: ...to indicate a Good Read status When a good read occurs the LED pin produces a high level output and then the signal is back to a low level This Good Read LED output is not strong enough to drive an LE...

Page 23: ...iver circuit LED LED driver circuit and trigger reset buttons TTL 232 to RS 232 converter TTL 232 to USB converter RS 232 USB interfaces etc The EM3296 can be connected to the EVK via a 12 pin FFC cab...

Page 24: ...Italy 39 0 342 0562227 italy newland id com Nordic Baltic 46 0 70 88 47 767 nordic newland id com South Africa Gauteng 27 0 11 553 8010 CapeTown 27 0 219140819 info newland id co za United Kingdom 44...

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