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Denso BHT-100B, BHT-100Q 5.6 RS-232C Interface Specifications

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5.6 RS-232C Interface Specifications

[ 1 ] Interface Connector and Pin Assignment

The CU-7000 has an RS-232C interface port (Dsub-25S).

RS-232C interface port (Dsub-25S) on the CU-7000

Pin No. Signal Functions Signal Input/Output

CU-7000 External device

1FGFrame ground —

2SDSend data →

3RDReceive data ←

4RSRequest to send —

5CSReady to send —

6DRData set ready —

7SGSignal ground —

8CDCarrier detect —

20 ER Data terminal equipment ready —

The input/output voltage threshold for the logical valued signal is listed below.

Logical Value Input Voltage Threshold Output Voltage Threshold

03V min. 5V min.

1-3V max. -5V max.

Contents

Main Page Page How this book is organized Page SAFETY PRECAUTIONS Be sure to observe all these safety precautions. WARNING Alerts you to those conditions which could cause seri- CAUTION Meaning of Symbols Handling the battery cartridge Handling the BHT Handling the CU Basic handling tips Handling the rechargeable battery cartridge Handling the BHT Handling the CU Page Proper Care of the BHT and CU Labeling FCC Regulations Content Overviews Page Page Chapter 1 Quick Guide 1.1 Reading 2D Codes and Bar Codes BHT-100Q Page BHT-100B Page Page Page 8 1.3 Setting the Backlight Backlight OFF (The backlight function is OFF when you turn the BHT power on.) Backlight ON Backlight OFF (The backlight function is kept ON.) M1 M2 1.4 Using the Keypad 10 Using infrared link M1 M2 BHT 1.5 Transferring Data Host computer BHT M1 M2 11 Chapter 2 Getting Started the BHT and System Mode 2.1 BHT System Configuration System Configuration Host Computer CU-7000 and RS-232C Interface Cable (option) BHT-BASIC Compiler (option) Ir-Transfer Utility C (option) Ir-Transfer Utility E (option) Transfer Utility (option) Software Structure System Programs Drivers BHT-BASIC Interpreter JIS Level 1 and Level 2 Font Files User Programs 2.2 Components and Functions 18 The functions of the keys may be set by user programs. Shown below is a set of sample functions. M1 M2 2.3 Preparation 2.3.1 Setting-up 1: Loading the Battery Cartridge CAUTION WARNING Never disassemble or heat the battery cartridge, Battery Voltage Level on the Status Indicator Line Low Battery Indication WARNING Only use the dedicated charger (CU-7001, C-700 CAUTION 2.3.2 Setting-up 2: Setting the Calendar Clock Page Adjusting the LCD contrast Switching the beeper & vibrator Adjusting the beeper volume Adjusting the beeper volume to be sounded when you press the touch screen Adjusting the touch screen Page 2.3.4 Battery Voltage Display Battery voltage level 2.3.5 Battery Replacement Notes When is battery replacement needed? If you will use the BHT more than one time per month: If you will not be using the BHT for more than one month: Page 2.3.6 BHT Turning-off Notes [ 1 ] "Shutdown in progress" message [ 2 ] If the BHT is turned off abnormally Page Scandisk when the resume function is enabled [ 3 ] About "$$BRKLST.SYS" [ 4 ] If invalid files are found 2.4 Initializing the BHT System You may delete font files by selecting the whole user area to be initialized. Page Page Page 2.5 Operating in System Mode 2.5.1 Starting System Mode Structure of System Mode Page Page 2.5.2 Operating in System Mode [ 1 ] Calling up the desired set screen [ 2 ] Selecting a desired setting 2.5.3 Detailed Description of the Functions in System Mode [ 1 ] Program Execution Page [ 2 ] Downloading Download screens Page Page [ 3 ] Uploading Upload screens Page [ 4 ] System Environment Setting [4.1] Setting an execution program [4.2] Setting the message version [4.3] Setting the calendar clock [4.4] Setting the special scanning parameters BHT-100Q Black-and-white inverted label reading function (INVERT) When this function is activated, the BHT-100Q cannot read codes other than QR codes. Page Minimum number of digits to be read for ITF or Codabar BHT-100B Black-and-white inverted label reading function (INVERT) Page [4.5] Setting the communications environments for the optical inter- face for the direct-con- nect interface. [4.5-1] Setting the communications parameters for the optical interface serial number and horizontal parity settings will be ignored. [4.5-2] Setting the communications parameters for the direct-connect interface parity bit, character length, and stop bit length settings will be ignored. serial number and horizontal parity settings will be ignored. [4.5-3] Setting the interface port [4.5-4] Setting the communications protocol type Page [4.6] Defining the functions of the shift key, magic keys, and function keys Page Page [4.7] Setting the resume function [ 5 ] Testing If an error occurs in any of the above tests, contact your nearest dealer. [5.1] 2D-code and bar-code reading test BHT-100Q Page BHT-100B [5.2] Memory test [5.3] Beeper scale test [5.4] Aging test [5.5] Communications test Preparation for the optical interface test Preparation for the direct-connect interface test Testing the optical interface port Testing the direct-connect interface port Page [5.6] LCD, indicator LED, and touch screen tests LCD & indicator LED test Page Page Page Touch screen test 1 Touch screen test 2 [5.7] Key entry, beeper, and vibrator test [5.8] File test [ 6 ] System Information [ 7 ] Deleting Files Page [ 8 ] Downloading/Uploading the BHT System Parameter File [8.1] Downloading the BHT system parameter file Page [8.2] Uploading the BHT system parameter file Page Page [ 9 ] Setting the Remote Wakeup [ 10 ] Downloading/Uploading the System Message File [10.1] Downloading the system message file Page [13.2] Uploading the system message file Page Page Chapter 3 Communications Operations of the BHT-100Q/100B 3.1 Infrared Communication Page 3.2 RS-232C Interface Specifications [ 1 ] Interface Connector and Pin Assignment 112 [ 2 ] Interface Cable Connection busy(RD) SD FG SG RD busy SG 3.3 Basic Communications Specifica- tions and Parameters 3.3.1 Basic Communications Specifications Synchronization Transmission Speed Optical Interface Communications Range Transmission Code and Bit Order Vertical Parity b0 b1 b2 b3 b4 b5 b6 LSB MSB LSB MSB b7 3.3.2 Communications Parameters 3.4 Communications Protocols 3.4.1 BHT-protocol [ 1 ] Overview Phase 1: Establishment of data link Phase 2: Data transmission [ 2 ] Control Characters (1) Transmission control characters Transparency (2) Text control characters [ 3 ] Basic Format of Transmission Messages 120 11723456789101112 13 14 15 16 PROG1. PD3 00 523 [ 4 ] Text Format Program Text Format 123456789101112131415161718192021 MASTER DAT 00592 n06 10 . T10091S123 9202141325 Data Text Format 3.4.2 BHT-Ir Protocol [ 1 ] Overview Phase 1: Establishment of data link Phase 2: Data transmission Phase 3: Release of data link [ 2 ] Control Characters (1) Transmission control characters Transparency (2) Text control characters 125 [ 3 ] Basic Format of Transmission Messages You can use the control characters for expressing IDs, serial numbers, or text data. 126 11723456789101112 13 14 15 16 PROG1. PD3 00 523 [ 4 ] Text Format Program Text Format 123456789101112131415161718192021 MASTE R . DAT00592 n 00 5462 T10091S123 9202141325 22 Data Text Format Page 4.1 System Errors Low battery indicationLevel 1 System Program error Low battery indicationLevel 2 Calendar clock stopped System Program malfunction Abnormally turned off last Execution program not selected Resume data lost Error in System Mode settings System down error System administrator to be called 4.2 Errors in System Mode When selecting a program file or data file During downloading of a program file, data file, BHT system parameter file, or system message file Page During uploading of a program file, data file, BHT system parameter file, or sys- tem message file Page Chapter 5 Handling the CU-7000 (Option) 5.1 Functions of the CU-7000 5.2 Components and Functions 141 Chapter 5. Handling the CU-7000 (Option) 5.3 Applying Power to the CU-7000 5.4 Communicating with the Host Computer 5.4.1 Setting the Transmission Speed of the CU-7000 Do not set the DIP switch to any configurations other than one of the five shown above. 5.4.2 Interface Cable Connection 5.4.3 Interfacing with the Host Computer 5.5 Charging the Rechargeable Bat- tery Cartridge (using the CU-7001) Charging Operation and LED Indication 5.6 RS-232C Interface Specifications [ 1 ] Interface Connector and Pin Assignment [ 2 ] Interface Cable Connection DTE and DCE Appendices Appendix A. Specifications A.1 BHT-100Q Page 151 [ 2 ] Readable Codes (1) QR Codes (Model 1 and Model 2) and MicroQR (2) PDF417 (3) MaxiCode (4) Data Matrix (4) Bar Codes (5) Multi-line Code Scanning (6) Optical Properties Required [ 3 ] Scanning Performance Scanning reference position 020406080100 120 140 160 180 200 Scanning distance and area 154 [ 4 ] Interface Specifications SD RD GND A.2 BHT-100B Page 158 (2) Optical Properties Required [ 2 ] Bar Code Specifications (1) Available Bar Code Types 159 (3) Bar Code Label Size Recommended width: 10 mm min. (0.39 inch min.) Length: (4) Thickness of Bars and Depth of Field [ 3 ] Interface Specifications A.3 CU-7000 [ 2 ] Charging Requirements (CU-7001) [ 3 ] Interface Specifications Shown below is a diagram of the internal connection in the CU-7000. Appendix B. Communications Protocol Details B.1 BHT-protocol [ 1 ] Transmission Control Sequences Page Page Phase 2: Data Transmission Normal phase 2 Phase 2 with NAK EOT Phase 2 with EOT Phase 2 with iterated ENQ transmission due to no response or invalid Abnormal termination of phase 2 (Abort of phase 2) Phase 3: Release of Data Link Normal phase 3 ACK Phase 3 with iterated EOT transmission due to no response or invalid Abnormal termination of phase 3 Page [ 3 ] BCC for Horizontal Parity Checking 173 B.2 BHT-Ir protocol [ 1 ] Transmission Control Sequences sponse or invalid response Page Phase 2: Data Transmission Normal phase 2 Phase 2 with suspension of data reception for erasure of the flash memory Phase 2 with a sequence of DLE NAK and IDs Phase 2 with a sequence of DLE EOT and IDs Phase 2 with iterated transmission of DLE ENQ and IDs due to no response or invalid response Abnormal termination of phase 2 (Abort of phase 2) Phase 3: Release of Data Link Normal phase 3 Phase 3 with iterated transmission of DLE EOT and IDs due to no re- sponse or invalid response Abnormal termination of phase 3 Phase 3 with timeout at the receiving station [ 2 ] Aborting Data Transmission [ 3 ] CRC [ 4 ] ID Appendix C. A Typical Basic Operation Appendix D. Quality Assurance Standards D.1 Applicable Standards D.2 Interface Cables Page Index Symbols A B C E F G H I M N O P Q T U V W BHT-100Q/100B User's Manual