Download DL2e Data Logger Hardware Reference

Transcript
Hardware Reference
Collecting and Erasing Logged Data
Outputting data directly to a printer
Outputting data directly to a printer
The front panel PRINT function is used to output data directly from the logger to a
printer. (You may find it faster and more convenient to use the PC to collect data to a
disk file and to obtain a printout from that, see the on-line Help).
Preparation
Requirements
•
a printer with an RS232 serial interface (not parallel)
•
a suitable cable. "Communication cables" on page 51 describes how to construct a
suitable cable. Loggers-to-computer cables are generally not suitable.
Communication parameters
The logger’s communications parameters (baud rate, data bits and parity) must be set to
match those of the printer (see "Communication parameters" on page 50). Refer to your
printer’s manual for information about setting the printer’s communication parameters.
When the logger is subsequently connected back to a PC, the logger’s communication
parameters must be reset to match those in the Properties dialogue of the PC's DL2
Control Panel program. If you change the logger’s communication parameters, then
either reset the logger’s internal switches to their original positions after printing, or
modify the settings in the Properties window next time you use the DL2 Control Panel
program.
Handshaking
Set the printer for hardware handshaking (see "Handshaking" on page 36).
Connection to printer
Connect the printer to the logger’s RS232 connector using a suitable cable, and set the
printer on-line.
Checking printer operation
A simple test is available to ensure that the logger is communicating correctly with a
printer.
At the logger’s main menu, press τ. The logger outputs a sequence of printable
characters.
<DOWN>
printer test.._
If the logger and printer are correctly connected and set up, the printer will repeatedly
print out the following sequence:
!"#$%&’()*+,-./0123456789::<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[
]^_’abcdefghijklmnopqrstuvwxyz{|}~
To stop the printer press any key.
DL2e Hardware Reference
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