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4.1.3Communication Protocol

The RS232/422/485 option has a real time clock and enables the time and date to be set and printed on tickets. The date format can be European (days/months/years) or USA (months/days/years) while the time is on a 24 hour clock.

Note that the clock will only retain its time for 3 days (minimum) if there is no power connected to the instrument. After this period, the clock may need to be reset.

The baud rate, parity, and word length can be selected during configuration and the user must ensure that these correspond to the setting on the printer or computer with which the instrument is communicating.

The software protocols can be selected during configuration to provide standard interfaces to a number of printers and computers. Since other interfaces will continue to be added, the user should consult the factory for the latest protocols and/or printer drivers.

Printer

A ticket is printed each time the RESET key is pressed. The instrument prints the ticket before resetting the resettable total. Protocols are provided to drive the following printers:

1Standard Computer Printer (Note that the printer must have an RS232 Serial Interface)

2EPSON CTM290 Slip Printer

3Contrec Model 624

4EPSON TM290-2 Slip Printer

5Contrec Model 632-2

6Syntest SP-210

Consult with the factory if any other printer is to be interfaced with the instrument.

The tickets can also be printed with a number of different units of measure including liters and gallons. The units of measure are selectable from a pre-programmed list.

A CTS input is provided and prevents the instrument from transmitting any further characters to a printer if the printer buffer is full. The CTS

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Epson 214D-1 user manual Communication Protocol, Printer

214D-1 specifications

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