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ES920 Embedded Image Scanner User Manual Version: ES920_UM_EN_V1.1.2...
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Safety statement Regulatory Compliance Statements Unitech Electronics co., Ltd herewith declares that the Unitech product is in compliance with the essential requirements and all other provisions of the R&TTE 1999/5/EC directive, the EMC 2004/108/EC directive and the Low Voltage 2006/95/EC directive. The declaration of conformity is available for download at:https://portal.unitech.eu/public/Safetyregulatorystatement RoHS Statement This device conforms to RoHS (Restriction Of Hazardous Substances) European Union regulations that...
1 Specifications 1-1 Technical specifications Dimensions H × W × D :43.5 mm × 41 mm × 19.0 mm Weight 70 g (without cable) Case Material Zinc alloy Scan Window Material Tempered optical glass Indicator Interface Beeper Interface Supported RS232, USB, USB virtual COM Trigger Mode Hand-held, Auto-detect, Command Scanning special barcodes in sequence, or sending commands via RS232...
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Humidity 5% to 95% (non-condensing) IEC60064-2-6 Un-powered scanner withstands a random vibration along each of the X, Y and Z axes for a period of one hour per axis, define as follows: Mechanical Vibration 20 Hz to 80 Hz Ramp up to 0.04 G /Hz at the rate of 3 dB/oct 80 Hz to 350 Hz 0.04 G...
1-2 Default setting for each barcode Proprietar Read Check digit Check digit Min. code Code type enable verification transmission length Code ID Code ID √ √ √ UPC-A (12) √ √ √ UPC-E √ √ UPC-E1 √ √ √ EAN-13 (13) √...
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Proprietar Read Check digit Check digit Min. code Code type enable verification transmission length Code ID Code ID Note: The settings for ISBN/ISSN and EAN-13 must be the same except the Code ID. Fixed-length barcodes. The settings for GS1 DataBar Truncated and GS1 DataBar must be the same. The support for this feature is available with customized firmware version.
2-2 Electrical interface/Pin assignment of cable connector The embedded scanner has a RJ-45 cable connector. Table 2-1 lists the pin assignments of the embedded scanner. PIN10 PIN1 Cable connector PIN10 PIN1 Figure 2-2 Electrical interface/Pin assignment Table 2-1 Electrical interface/Pin assignment RS-232 Descriptions Pin/Signal Name...
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The embedded scanner has a TTL-level RS-232 interface to communicate with a host. RTS and CTS are only used for hardware flow control and should be leaved unconnected or tied to V by 100K Ohm resistors when they are not used. The following diagram demonstrates the interconnection.
2-3 Typical input/output, LDO external, and DC/DC circuitries Input: each input IO pin is internally pulled up by a 100 KΩ resistor (VCC = 3.3 V ). V C C E m bedded Min. Max. scanner 100K -0.3V 0.7V I N P U T 2.4V 3.6V V C C...
2-4 Power management The scanner has two power states: Awake Power state and Sleep Power state, refer to Sleep mode of Scan mode & some global settings. A w ake S l eep A w ake P ow er st at e P ow er st at e P ow er st at e Continuous Power mode...
2-6 Notes of timing 2-6-1 Timing characteristics Table 2-3 Timing characteristics Symbol Parameter Conditions Min. Typ. Max. Unit General characteristics Low to high rise time =50pf High to low fall time =50pf Trigger timing Trigger low level hold time trig_1 Trigger high level hold time trig_h Trigger de-bounce time...
2-7 Operation of Embedded Scanner The following cases demonstrate how a host operates an embedded scanner quickly and easily. 2-7-1 Example 1: Request revision Case1: Request revision after awakening scanner from Sleep Power state ① Host sends a <NUL> character (0x00). ②...
2-7-2 Example 2: Decode by pulling down pin TRIG Case 1: Decode by pulling down pin TRIG after awakening scanner from Sleep Power state ① Host pulls down pin TRIG. ② After 25 ms, then the scanner turns on LED illumination and starts to decode. The LED illumination will be turned off if either Standby duration expires or scanner succeeds in decoding.
2-7-3 Example 3: Decode by commands Case1: Decode after awakening scanner from Sleep Power state ① Host sends a <NUL> character (0x00). ② After 25 ms, Host sends a command (0x16, 0x4D, 0x0D, 0x30, 0x34, 0x30, 0x31, 0x44, 0x30, 0x35, 0x2E) to set Scan mode to Host.
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Case 2: Decode after awakening scanner from Awake Power state ① Host sends a command (0x16, 0x4D, 0x0D, 0x30, 0x34, 0x30, 0x31, 0x44, 0x30, 0x35, 0x2E) to set Scan mode to Host. ② Then scanner responses with received command and a <ACK> character (0x06), and then change Scan mode to Host.
3 Parameter menus 3-1 Introduction This section describes the programmable parameters, to change the parameter values. Refer to 3-2 Example 1: Single-parameter setting by scanning 1D barcodes 3-3 Example 2: Multiple-parameter setting by scanning a QR code barcode, scan the appropriate barcodes included in this section, The new values replace the existing values.
3-2 Example 1: Single-parameter setting by scanning 1D barcodes Important notes: 1. After each successful programming, the embedded scanner will beep twice. 2. Throughout the programming barcode menus, the factory default settings are indicated with asterisks (*). Two programming modes have been provided as bellows: ❶...
3-3 Example 2: Multiple-parameter setting by scanning a QR code barcode User can customize a QR code barcode to set multiple parameters. The embedded scanner can set multiple parameters by scanning this single QR code barcode. 1. The data format of the QR code barcode is as following. P aram et er set 1 P aram et er set 2 ···...
3-4 RS-232 interface Flow control: None - The communication only uses TXD and RXD signals without any hardware or software handshaking protocol. RTS/CTS – If the embedded scanner wants to send the barcode data to the host, it will assert the RTS signal first, and then waits for the CTS signal from the host to perform normal data communication.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry None RTS/CTS Flow control Two-direction flow control XON/XOFF ACK/NAK 0 ms 5 ms 10 ms Inter-character delay 20 ms 40 ms 80 ms 00-99 Response delay 00-99 (100 ms) Baudrate 1200 2400 4800...
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry 9600 19200 38400 57600 115200 None Parity bit Even 8 bits Data bit 7 bits 1 bit Stop bit 2 bits...
3-5 USB interface USB device type: HID keyboard – By setting, the embedded scanner is used as a USB HID keyboard emulation device. USB virtual COM – By setting, the embedded scanner emulates a regular RS-232-based COM port. If a Microsoft Windows PC is connected to the embedded scanner, a driver is required to install on the connected PC.
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Multiple-scan setting Single-scan setting Option bar code Option Alpha. entry HID keyboard HID keyboard for USB device type Apple Mac USB virtual COM Simple COM Port Emulation Turkish F Turkish Q French Italian Spanish Keyboard layout Slovak Denmark Japanese German Belgian Russian 0 ms...
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Multiple-scan setting Single-scan setting Option bar code Option Alpha. entry 10 ms 20 ms 40 ms 60 ms Alphabetic key Numeric key Numeric keypad Alt + keypad...
3-6 Scan mode & some global settings Scan mode: Good-read off – The trigger (Pin - 12 TRIG) must be pulled down once to activate scanning. The light source of the embedded scanner turns off when there is a successful reading or no code is decoded after the Scan standby duration elapsed.
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store the data while continue-scanning. The scanner will output the data after the predefined delay elapsed. The maximum storage of data is 1000 characters. If this parameter is set to be “00”, the scanner will not store data. And if the parameter is set to be “FF”, the scanner will output data after stopping scanning.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Good-read off Momentary Alternate continue Continue Scan mode Time-out off Host Auto-detection- Good-read on Auto-detection- Good-read off Auto-detection sensitivity 4 seconds 8 seconds Standby duration 16 seconds 24 seconds...
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Global min. code length for 01-99 1D symbol 01-99 00-66 Global G1-G6 string selection 00-66 Disable Element amendment Enable None Character output restraint Printable character only Alphanumeric character only Disable Decoder optimization Enable Data output delay in 00-FF...
3-7 Indication Power on alert: After power-on the embedded scanner will generate an alert signal to indicate a successful self-test. Beeper indication: After each successful reading, the embedded scanner will beep to indicate a good barcode reading, and its beep tone duration is adjustable. Beep tone duration: This parameter can be adjusted for a good reading upon favorite usage.
3-8 Decode illumination mode and Decode aiming pattern Decode illumination mode: Enable illumination causes the embedded scanner to turn on the illumination to aid decoding. Disable illumination to turn off illumination for the embedded scanner during decoding. Better quality images could be obtained with illumination support. The effectiveness of the illumination decreases as the distance to the target increases.
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Multiple-scan setting Alpha. Single-scan setting Option barcode Option entry Always Off Always On Decode illumination mode Flashing On when reading Always off Always on Decode aiming pattern On before reading On when reading Disable decode illumination Level of decode illumination Middle High Always off...
3-9 Single type of barcode, Multi-symbols, and Vertical centering read 1D symbols read: A global setting of 1D symbols readability. 2D symbols read: A global setting of 2D symbols readability. Multi-symbols read: By setting enable, the embedded scanner allows to read multiple symbols in one image.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Follow respective 1D 1D symbols read symbol setting All 1D Disable Follow respective 2D symbol setting All 2D Disable All 2D Enable Only PDF417 Enable 2D symbols read Only QR code Enable Only Data Matrix Enable Only MaxiCode Enable Only Aztec Code Enable...
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Note: The instruction of calibrating the aimer in vertical centering direction. Scan the barcode (“%initD00%”) on this page. The embedded scanner will give three musical short beeps to indicate entering calibration mode. Press the trigger of the embedded scanner while maintaining the distance of about 15cm between the exit window of the embedded scanner and this paper.
3-10 UPC-A Read: Format System character Data digits (10 digits) Check digit Check digit verification: The check digit is optional. Check digit trans.: By setting Enable, check digit will be transmitted. Code ID setting: Code ID is a one-two-character string used to represent the symbol upon a succeeding reading.
3-11 UPC-E Read: Format System character “0” Data digits (6 digits) Check digit Check digit verification: The check digit is optional. Check digit trans.: By setting Enable, check digit will be transmitted. Code ID setting: Refer to Code ID setting of 3-10 UPC-A.
3-12 UPC-E1 Read: Format System character “1” Data digits (6 digits) Check digit Check digit verification: The check digit is optional. Check digit trans.: By setting Enable, check digit will be transmitted. Code ID setting: Refer to Code ID setting of 3-10 UPC-A.
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3-13 EAN-13 Read: Format Data digits (12 digits) Check digit Check digit verification: The check digit is optional. Check digit trans.: By setting Enable, check digit will be transmitted. Code ID setting: Refer to Code ID setting of 3-10 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-10 UPC-A.
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3-14 EAN-8 Read: Format Data digits (7 digits) Check digit Check digit verification: The check digit is optional. Check digit trans.: By setting Enable, check digit will be transmitted. Code ID setting: Refer to Code ID setting of 3-10 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-10 UPC-A.
3-15 Code 39 (Code 32, Trioptic Code 39) Read: Format Start character(*) Data digits (variable) Check digit (optional) End character(*) Check digit verification: The check digit is optional and made as the sum module 43 of the numerical value of the data digits. Check digit trans.: By setting Enable, check digit will be transmitted.
3-16 Interleaved 2 of 5 Read: Format Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 10 of the numerical value of the data digits. There are two optional check digit algorithms: the specified Uniform Symbol Specification (USS) and the Optical Product Code Council (OPCC).
3-17 Industrial 2 of 5 Read: Format Data digits (variable) Max./Min. code length: Refer to Max./Min. code length of 3-15 Code 39 (Code 32, Trioptic Code 39). Code ID setting: Refer to Code ID setting of 3-10 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-10 UPC-A.
3-18 Matrix 2 of 5 Read: Format Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 10 of the numerical value of the data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Max./Min.
3-19 Codabar Read: Format Start character Data digits (variable) Check digit (optional) End character Check digit verification: The check digit is made as the sum module 16 of the numerical value of the data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Max./Min.
3-20 Code 128 Read: Format Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 103 of all data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Max./Min. code length: Refer to Max./Min. code length of 3-15 Code 39 (Code 32, Trioptic Code 39).
3-21 UCC/EAN 128 (GS1-128) Read: Format Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 103 of all data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Max./Min.
3-22 ISBT 128 Read: Format “=” or “&” Data digits (variable) Check digit (optional) Check digit verification: The check digit is made as the sum module 103 of all data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Max./Min.
3-23 Code 93 Read: Format Data digits (variable) 2 Check digit (optional) Check digit verification: The check digit is made as the sum module 47 of all data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Max./Min.
3-24 Code 11 Read: Format Data digits (variable) Check digit 1 (optional) Check digit 2 (optional) Check digit verification: The check digit is made as the sum module 11 of all data digits. Check digit trans.: By setting Enable, check digit will be transmitted. Max./Min.
3-25 MSI/Plessey Read: Format Data digits (variable) Check digit 1 (optional) Check digit 2 (optional) Check digit verification: The MSI/Plessey has one or two optional check digits. There are three methods of verifying check digits, i.e. Mod 10, Mod 10/10, and Mod 10/11. The check digit1 and check digit 2 will be calculated as the sum module 10 or 11 of the data digits.
3-25 UK/Plessey Read: Format Data digits (variable) 2 Check digits (optional) Check digit verification: The UK/Plessey has one or two optional check digits. The check digit 1 and check digit 2 will be calculated as the sum module 10 or 11 of the data digits. Check digit trans.: By setting Enable, check digit will be transmitted.
3-27 China Post Read: Format 11 Data digits Max./Min. code length: Refer to Max./Min. code length of 3-15 Code 39 (Code 32, Trioptic Code 39). Code ID setting: Refer to Code ID setting of 3-10 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-10 UPC-A.
3-28 China Finance Note: this type of barcode is not Omni-Directionally decodable. The encodable character set includes numeric 0 to 9. Among the symbol of 0 to 9, 0 to 2, 4 and 9, 5 and 8, 6 and 7, have the symmetrical pattern; the pattern of 1 and 3 is symmetrical.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable 00-99 Max. code length 00-99 00-99 Min. code length 00-99 Disable Check digit verification Reserved Disable Enable Only 5 converted to A Leading character 5/6/7/8/9 converted to A/B/C/D/E Only 6 converted to B Only 7 converted to C Only 8 converted to D...
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Assigned to 6(B) Assigned to 7(C) Assigned to 8(D) Assigned to 9(E) Assigned to 1 Assigned to 2 Assigned to 3 Assigned to 4 00-FF Code ID setting 00-FF (ASCII) <Y>* 00-66 Insert group selection 00-66...
3-29 Telepen Read: Format Start character (_) Data digits (variable) Check digit End character (z) Check digit verification: The check digit verification is optional. Check digit transmission: By setting Enable, check digit will be transmitted. Max./Min. code length: Refer to Max./Min. code length of 3-15 Code 39 (Code 32, Trioptic Code 39).
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable Disable Check digit verification Enable Disable Check digit transmission Enable 00-99 Max. code length 00-99 00-99 Min. code length 00-99 00-FF Code ID setting 00-FF 00-66 Insertion group selection 00-66 Alphanumeric Encode character set type...
3-30 GS1 DataBar (GS1 DataBar Truncated) GS1 DataBar Truncated is structured and encoded the same as the GS1 DataBar except that its height is reduced to a 13 modules minimum; while GS1 DataBar should have a height greater than or equal to 33 modules.
3-31 GS1 DataBar Limited Read: Format 16 Data digits Code ID setting: Refer to Code ID setting of 3-10 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-10 UPC-A. Conversion: Refer to Conversion of 3-30 GS1 DataBar (GS1 DataBar Truncated).
3-32 GS1 DataBar Expanded Read: Format Data digits (variable) Code ID setting: Refer to Code ID setting of 3-10 UPC-A. Insertion group selection: Refer to Insertion group selection of 3-10 UPC-A. Conversion: Refer to Conversion of 3-30 GS1 DataBar (GS1 DataBar Truncated).
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The linear component will be a traditional symbol of types: GS-128, EAN-8, EAN-13, UPC-A, UPC-E or DataBar. The composite component will be either a CC-A (encoding up to 56 digits), a CC-B (up to 338 digits) or a CC-C (up to 2361 digits). GS1-128 Composite GS1 DataBar Stacked Composite GS1 DataBar Expanded Stacked Composite...
3-38 Han Xin Code Note: The support for this feature is available with customized firmware version. Read: Format Data digits (variable) Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable...
3-40 MicroQR Code Note: The support for this feature is available with customized firmware version. Read: Format Data digits (variable) Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable...
3-41 CodaBlock F Code Note: The support for this feature is available with customized firmware version. Read: Format Data digits (variable) Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable...
3-42 GM code Note: The support for this feature is available with customized firmware version. Read: Format Data digits (variable) Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry Disable Read Enable...
3-43 G1-G6 & C1-C2 & FN1 substitution string setting Format of barcode data transmission: Prefix Code name Preamble Code ID Code length Code data Code ID Postamble Suffix Suffix string setting: The <enter> key is represented indifferent ASCII when it is applied by different OS. For a Windows/DOS OS, <enter>...
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%8005H4142 %8101D02 %0407D01% Testing barcode: FN1 substitution string setting: The FN1 character (0x1D) in an UCC/EAN128 barcode, or a Code 128 barcode, or a GS1 DataBar barcode can be substituted with a defined string. Truncate leading G5 string setting: by setting, a defined leading character or string can be truncated. Also a single character can be un-defined.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry 1-22 defined characters 01-7F Truncate leading G5 string setting A un-defined character <0> Defined times 01-22 Repeat of a G5 character setting Once Un-defined times (All) 1-22 defined characters 01-7F Truncate ending G6 string setting A un-defined character <0>...
3-44 G1-G4 string position & Code ID position Format of barcode data transmission: Prefix Code name Preamble Code ID Code length Code data Code ID Postamble Suffix Insert G1/G2/G3/G4 string position: The embedded scanner offers 4 positions to insert strings among the symbol.
3-45 String transmission Note: The information in this chapter is closely related to 3-43 G1-G6 & C1-C2 & FN1 substitution string setting. Format of barcode data transmission: Prefix Code name Preamble Code ID Code length Code data Code ID Postamble Suffix Prefix transmission: By setting Enable, prefix will be appended before the data transmitted.
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Multiple-scan setting Single-scan setting Option barcode Option Alpha. entry All-non-printable-character string transmission Disable with string setting Enable 01-99 Transmit the first N data characters only 01-99 Transmit the last N data characters only...
4 Serial Communication Interface (SCI) Note: The SCI programming commands can be used in place of the programming barcodes. All communication between the embedded scanner and host occurs over the hardware interface lines using the Serial Communication Interface (SCI). The function of the SCI show as below: Maintain a bi-directional communication interface between the embedded scanner and the host.
4-1 Programming command syntax 4-1-1 Single-parameter setting Format Prefix Parameter index Value Storage Prefix: <SYN> M <CR> (ASCII 0x16, 0x4D, 0x0D). Parameter index: Each parameter has a unique 4-digit index which is similar to the option barcode listed in 6 Parameter Menus, except that there is no leading ‘%’ and ending “M%” in the Parameter index.
4-1-2 Multiple-parameter setting Format ··· Prefix Parameter index 1 Value 1 Parameter index N Value N Storage Prefix: Refer to Prefix of 4-1-1Single-parameter setting. Parameter index 1 to Parameter index N: Refer to Parameter index of 4-1-1Single-parameter setting. D/H: Refer to D/H of 4-1-1Single-parameter setting.
4-1-6 Get Image Original Image Ship Format <SYN>M<CR> %OISHP 0x16 0x4D 0x0D 0x25 0x4F 0x49 0x53 0x48 0x50 0x2E An image is taken whenever the scan operation is done. The last image is always stored in memory. The original image can be “shipped” by using the %OISHP command. Down-sampled Image Ship Format <SYN>M<CR>...
4-2 Examples of setting and query commands The following examples illustrate how a command should be constructed and transmitted to the embedded scanner. Example 1: Append prefix “1N” to all symbols Step 1: Set Prefix string setting to be “1N”. Look up the parameter table in 6 Parameter Menus and the ASCII table in 11 ASCII table.
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Example 2: Query current scan mode Look up the parameter table in 6 Parameter Menus and the ASCII table in 11 ASCII table. The target parameter index is “0401”. The numeral system is decimal, thus, ‘D’ is used. The value field is filled with ‘?’. Put all above parts and then append a storage indicator ‘.’...
5 Enable & Disable “NR” Enable “NR” If it is enabled, while the scanner receives the STOP_DECODE command or fails to decode a barcode within the Stand-by duration time, the scanner will transmit “NR”. Disable “NR” (Default)
6 Enable & Disable configuration by scanning barcode Note: The setting of the below two barcodes does affect the operation of scanning the barcodes in 10 Return default parameters & firmware version. Enable configuration by scanning barcode (Default) The default status of the embedded scanner is enabled to scan configuration barcode. Disable configuration by scanning barcode Scan the above barcode to disable scanning configuration barcode, then the embedded scanner will not operate configuration by scanning configuration barcodes, but the data string of...
7 Barcode representing non-printable character Notes to make the following barcode: According to different barcode printing software, the method of printing following barcode is different. If using CODESOFT software, firstly read the information through “Help→Index→Code128→ Special input syntax”. Also refer to ASCII table. For example, if we wish to make “F1” barcode, select “CODE 128”, then select “CODE A”...
8 ASCII table for keyboard wedge for RS-232 Null Down Left Right PgUp PgDn Home Enter Insert Ctrl+ Delete Alt+ Notes: The 2nd and the 3rd columns above are used for keyboard wedge only. “ & ‘ < > Example: ASCII “A” = “41”.
10 Return default parameters & firmware version WARNING: Restore Factory Defaults Scan this barcode to restore the factory default values. Write to Custom Defaults Store the current scanner settings as custom defaults. Restore Custom Defaults Restore the scanner’s custom default settings. If no custom defaults were set, restore the factory default values.
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