
Model 7280
TRANS CAL
Page 15
Change measuring rate by measuring mode
-
The measuring can be exited by pressing key
ESC
. After pressing key
ESC
again, the
7280 will return to menu 1 MEASUR. From there the menu 2 SYSTEM – 2.4 Rate can be
called up.Select entry RATE by key
PLUS
and/or
MINUS
. By pressing key
ENTER
the
set measuring rate is being displayed, first.By key
PLUS
and/or
MINUS
a new measur-
ing rate can be set now. By
ENTER
the new measuring rate will be taken over, by
ESC
the new measuring rate will be discarded.
Switch off 7280
-
7280 is switched off, when
ESC
button is pressed >3 seconds.
3.4 Digital input
The device has a voltaic isolated control input:
Trigger
. This input can be controlled by e.g. a
PLC, a remote switch, a foot switch etc. As 100 % control signal, following voltage levels must
be applied at the phone jack for the respective logic state:
Logic state
Low level
High level
Voltage level
0 V ... 2 V
3.5 V ... 27 V
State
inactive
active
Trigger input
-
Depending on adjustment, data can be logged or interface data can be issued.
This input has a high sampling rate, thus very short pulses are detected.
Key assignment:
Key
Programming mode
▲
Scroll up
▼
Scroll down
ENTER
Confirmation, one step forward in the menu
ESC
Reject, one step back in the menu