Epson CD5220 manual Interface Specifications, Communication Serial port RS232C communication

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CD5220 customer display

4. INTERFACE SPECIFICATIONS

4.1Communication

4.1.1 Serial port (RS232C) communication

(a)The interface specification are based on EIA RS232C baud rate 9600 or 4800 bps ( select by DIP switch, refer Table 4-7) 8 data bits, none parity, 1 or more stop bits

(b)Serial port (RS232C) communication flow

1. Data flow

: PC/host to display, display to printer, printer to

PC/host

 

2.Control flow : display to PC/host, printer to display, PC/host to printer

(c)CD5220/CD6220 will inactive DTR or RTS signal to PC/host, the following two condition.

1.Printer inactive DTR or RTS signal.

2. The pass through buffer in CD5220/CD6220 is full ( 200bytes ) .

*If PC/host keep transmitting the data to printer when CD5220/CD6220 inactive DTR or RTS , data will be lost.

4.1.2 Parallel port (Centronic) communication

(a) data flow

: PC/Host to display, display to printer

(b)control flow : printer to display , display to PC/Host

(c)When data has been transmitted to printer by parallel port interface, the CD5220/CD6220 response the printer status to PC/Host, When printer active the BUSY signal, CD5220/CD6220 will keep accept the data until the

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Contents CD5220 CD5220 customer display Features DC5V DC12V DC24V Type Classification5VDC/12VDC/24VDC General SpecificationsCD5220 customer display Communication Serial port RS232C communication Interface SpecificationsParallel port Centronic communication Serial port interface for rectangle basic section CTS TXDRXD RTSSerial port interface for circular base Parallel port Centronic interface for circular base CD5220 customer display International character set Function SelectionBaud rate SW number SW1 Function description Baud rate ） bpsOFF UTC/S UTC/P Aedex Command type selectSW number Function description Software defined SW6 SW7 SW8CD5220 standard mode command list CommandCommand Code descriptionhex Function description ESC ? Command Code description Function description HexCLR CanUTC enhanced mode command list UTC standard mode command listESC RS CR ADM787/788 mode command list Aedex mode command listEOT SOH % ETB DSP-800 mode command listCommand Code description Function descriptions Hex ETBBit 1=1 Lay Bit 4=0 Bit 2=1 Show mode Epson Esc/pos command list Select code table for ESC/pos US UInstallation Guide
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