BIXOLON SRP-270 6 RS-485 Communication Block Diagram, 10 RS-485 Communication Block Diagram

Page 36

SRP-270

4-3-6 RS-485 Communication Block Diagram

The CPU is used for serial communication.

And also RS-485 Driver (MAX488), is used to serial communication.

Show following block diagram.

M30622SFP

[Figure 4-10 RS-485 Communication Block Diagram]

[Figure 4-11 RS-485 Communication Waveform]

Rev. 3.02

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Image 36

Contents SRP-270 SRP-270 Alignment and Adjustments SRP-270 About this Manual Precaution symbols AboutOverview of this Receipt Printer CopyrightPrecaution Segment Safety PrecautionsWaring Do not use an isolation transformer during this test Servicing Precaution Precaution for Electrostatically Sensitive Devices ESDs Installation and Operation InstallationAC Adapter Installation Interface Cable InstallationPaper Roll Installation Setting the DIP switches Setting the DIP switch RS-232C Serial InterfaceOperation Setting the DIP switch IEEE1284 Parallel, USB Interface YES OFFMode Self Test Mode Hexadecimal DumpingSerial Self-Test Sheet Parallel Self-Test Sheet SRP-270 Product Specifications Printer Dimensions mmAC Adapter Dimensions mm AppearanceFeature Locations Feature LocationGeneral Specifications Printer Mecha SpecificationsPrinter Mecha Specification USBCharacter Specification AsciiPrinter SMP-710/SMP-710N Pin Description GNDPrinter Head Specification Printer Head Thermistor SpecificationFeed & Carriage Motor Specification Auto cutter specificationSmps Specifications Ribbon Cassette SpecificationOther Component Specification Smps Switching Mode Power Supply SpecificationInterface Specifications 1 RS-232C Serial Interface 1a Specification1d Signal Description 1c Cable Connection1e H/W Flow Control 2 RS-485 Serial Interface 2a Specification 1f S/W Flow Control2c Cable Connection Printer Host Side2d Signal Description 3a Forward Mode Specification Compatibility mode2f S/W Flow Control IEEE1284 Parallel Interface3c Signal Specification Compatibility/Nibble/Byte mode 3c IEEE1284 I/F Cable4a Specification 4b Signal Description4 USB2.0 Interface 4c USB I/F CableCash Drawer Specifications ※ Note +24V is always output through pin 4 during power onCash Drawer Cable Cable ConnectionWiring Diagram HardwareBlock Diagram Block DiagramPower Circuit Special Circuit DescriptionsDrawer Driving and Feed, Auto Cutter Motor Voltage +24Vdc Logic IC Driving Voltage +5VReset Circuit Reset Block DiagramCash Drawer Block Diagram Cash Drawer Circuits4 I/F PBA Detect Block Diagram PBA DIPC1 DIPC2 DIPC35 RS-232C Communication Block Diagram RS-232C Communication Block Diagram6 RS-485 Communication Block Diagram 10 RS-485 Communication Block DiagramParallel Communication Block Diagram USB Communication Block DiagramDIP Switch Circuit 12 DIP Switch Block DiagramDisassembly and Assembly General Precautions on DisassemblyPlate Bottom Cover Assy SRP-270D Type Cover Assy SRP-270A & SRP-270C TypeCase Upper Assy SRP-270A & SRP-270C Type Case Upper Assy SRP-270D Type Printer Assy SRP-270A & SRP-270C TypePrinter Assy SRP-270D Type Auto Cutter AssyMain PCB Interface Board AssyAlignment and Adjustments Printer AdjustmentAdjustment of Head gap Troubleshooting Ieee 1284 Problem USB ProblemSpecifications Printing specificationsAppendix Spec of SMP-710/710N Character specifications ANKPaper specifications Ribbon Cassette specifications Main Unit specifications ReliabilityMcbf Electrical specifications Mechanisms specificationsPrinciple of Movement SRP-270 SRP-270 SRP-270 Operation of Color change Description of Timing chart.1 Circuit board block diagram Precautions on Printer Handling Handling the PrinterPaper Setting Procedures Insertion/Removal Remove method by manual Ribbon Cassette Installation Maintenance CleaningInspection Lubricants and Adhesive Application Tools, Lubricants and Adhesives RepairRepair Guidelines FPCRev SRP-270 SRP-270 Phenomenon Assignment Connector Pin Taiwan Tack coDisassembly AssemblyWBH WPHSub-assemblies Check Point②SWITCH Lever ③WIRE Assy①SHAFT Pulley ②LEVER Tension①BRACKET P/F R ②GEAR PF Idle③GEAR Knob ④GEAR Knob IdleMain-assemblies ①GEAR Tape UP ②GEAR TU Pulley③WASHER Belt Guide ⑤BRACKET PF L①SUB PCB Assy ②SCREW Tapping M2*3, 2EA③MANUAL Cutter ⑤PLATEN Paper Guide①FRAME Main C/K ASSY-4 ②SERIAL NO. TAG③TAPE Insulation ④LEVER Color Change⑧FPC Connector ①GEAR Reduction a②GEAR Reduction B ③RIBBON Feeder Assy①AD Lever ②SHAFT Head Guide ③SHAFT Head Carriage ⑤HEAD Print⑤RIBBON Frame ⑥SPRING Ribbon Frame ⑧HEAD Cover Assy①RIBBON Frame ②SPRING Ribbon Frame Adjustment