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15-3
RS-232 or RS-485 Option Board
15
15.2 FRONT-PANEL PUSHBUTTON CONFIGURATION
Setup configuration can be accomplished via the front panel buttons or via
your computer if you use the configuration setup program. If you are going
to use a computer, your choices include “AUTO SET” or “MANUAL SET” for
establishing communication with your meter. “AUTO SET” cycles through
the possible combinations of baud rate, parity and stop bits to find a match
for your meter settings. For faster action, you may enter the values for your
meter via “MANUAL SET”.
If your meter communications settings are unknown or need changing, you
can insert the factory-set values with the front panel buttons (or, after
communications has been established, from your keyboard).
1.
Unlock the communications bits by setting “L4C.1=0”, “L4C.2=0”,
“L4C.3=0”, “L4C.4=0” and “L4C.5=0”.
2.
Press the
‘MENU’
button until “BAUD” is displayed, then press the
‘MAX’
button until the baud rate you require is displayed. Press the
‘MENU’
button to store this choice and your meter will display
“SERCNF”.
3.
Press the
‘MIN’
button until you see the display show “SER.1=0” for no
parity, “SER.1=1” for odd parity, or “SER.1=2” for even parity. Press the
‘MAX’
button to select the parity required for your system. Once you
have done that, press the
‘MIN’
button and advance to “SER.2=0” or
“SER.2=1”.
4.
By pressing the
‘MAX’
button you can select the “SER.2” value. Setting
“SER.2=0” picks the value to one stop bit; “SER.2=1” selects two stop
bits. Select “SER.2=0”.
5.
Pressing the
‘MENU’
button stores these choices and then the meter
advances to “ADDRES”. Use the
‘MAX’
button to set to “001” (unless
your meter is one of several on an RS-485 bus, in which case you must
give a different address to each device and use those addresses when
communicating from your computer).
6.
Press the
‘MENU’
button again and press the
‘RESET’
button two times
to return to the run mode. The remaining communications format and
options are set from your keyboard.
Содержание DP461-S
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