Star Micronics SP300 Series Interface Circuit, Input RXD, CTS, Output DTR, FAULT, TXD, RCH, RTS

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2-2. Interface Circuit

2-2-1. RS-232C Serial Interface

Input (RXD, CTS)

Printer

 

Host computer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

75189 or equivalent

Output (DTR, FAULT, TXD, RCH, RTS)

Printer

 

Host computer

 

 

 

75188 or equivalent

Fig . 2-1 RS-232C interface circuit

2-2-2. Current Loop (option)

Input (TTY-RXD, TTY-RXDR)

Host computer

+V

Printer

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Output (TTY-TXD, TTY-TXDR)

Host computer

+V

 

 

 

Printer

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: Adjust “R” so that the loop current is set within 10 to 20 mA.

Fig. 2-2 Current loop interface circuit

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Contents Dot Matrix Printer SP300 Series Programmer’s Manual Page Table of Contents IBM Character Set #1 DIP SW2-1 OFF, SW2-2 on LED flashes Validation printing mode is set Basic OperationSwitch Operation Combined Switch Operation Self Print TestMicro Feed Feed + on Line + Power on Page Page Interface Specifications To Installation ManualSelectable. Refer to Installation Parity bit Odd, even or noneOutput DTR, FAULT, TXD, RCH, RTS Interface CircuitInput RXD, CTS Input TTY-RXD, TTY-RXDRInput RD, RS Output SD, CSConnectors and Signals RS-232CMA current loop option RS-422A optionInterface Connections Example of interface connections for IBM PCInstalling the Optional Interface Board Installing the optional interface boardDTR mode Data StructureDTR Mark DTR Space ON/X-OFF mode This mode accessed when the DIP switch 3-5 is OFFOFF Status STX-ETX mode Page STX-ETX mode flow diagram for host computer Handshaking Busy signals Interface TimingPulses Logic level Compatible with TTL levelTypical interface circuit This connector mates with an Amphenol 57-30360 connectorEmergency Suspension Operating Method This printer can print one line of validation printingPrinting Format Data formatOther GS data LFCutting Method Cutting positionAuto cutting control codes Other position to be observedControl Codes Used for Character Setting Control Codes Used for Line SpacingControl Codes Used for Page Layout Control Code Used for Graphics PrintingControl Codes Used for Download Characters Control Codes Used for Peripheral Units Other Control CodesFunction Function Function Function Control Codes Used for Line Spacing Set 1/8-inch line feed ESC 0 1BH 30H Sets page length at n inchesSet vertical tab positions Left end Printing area Left margin n Right margin n columns Set horizontal tab position Control Codes Used for Graphics Printing Set n/216-inch line feed simulation ESC 3 n 1BH 33H n Example Printing Possible Code Outline When the 5 × 9 font is set Definition of download charactersCode Outline Example Example of transmitting data 10 × n1 ms 10 × n2 ms Printing and paper feed are prohibited Other Control Codes Function Initialize printer ESC @ 1BH 40H ETX 03HFunction Character Code Tables U.S.A. & Europe DIP SW2-1 ON, SW2-2 onPage IBM Character Set #1 DIP SW2-1 OFF, SW2-2 on Page IBM Character Set #2 DIP SW2-1 ON, SW2-2 OFF Page Japan DIP SW2-1, OFF, SW2-2 OFF Page International Character Sets Memo Page Overseas Subsidiary Companies Star Micronics AMERICA, INC