Scanning; Basic Limits Operation - Keithley 2750 User Manual

9-4 Limits and Digital I/O

Scanning

When a simple scan is configured, the present limit values and state will apply to all chan-
nels in the scan. When an advanced scan is configured, each channel can have its own
unique limits configuration. Details to configure and run a scan are provided in
For remote programming, the <clist> parameter is used to configure channels for a scan.

Basic limits operation

The limits configuration is the same for all functions. For example, if a reading limit is set
to 1, that will equate to 1V for a voltage function, 1A for a current function, and 1Ω for an
ohms function.
Setting limits
1.
2.
3.
4.
5.
6.
Beeper settings
The beeper is configured from the OUTPUT menu (shown in
1.
2.
3.
NOTE
Enabling/disabling limits
Press SHIFT and then ON/OFF to display the present state (off or on) of limits. To enable
limits, use the
To disable limits, again press SHIFT and then ON/OFF, select "LIMITS: OFF" and press
ENTER.
Press SHIFT and then LIMITS to display the high limit for Limit 1 (HI1).
Δ ∇
Use , , , and
When editing a reading, use the range designator (
With the cursor on the range designator, each press of
decrease the reading by a factor of 10.
Key in the low limit for Limit 1 (LO1) and press ENTER.
Key in the high limit for Limit 2 (HI2) and press ENTER.
Key in the low limit for Limit 2 (LO2) and press ENTER. The instrument will
return the normal measurement state.
Press SHIFT and then OUTPUT.
Δ ∇
Use the or key to display the present beeper (BEEP) setting: NEVER,
INSIDE, or OUTSIDE.
Press to position the cursor on the present beeper setting, use the
display the desired setting, and press ENTER. The instrument will return to the
normal measurement state.
Remote programming cannot be used to set the beeper. It can only be set from
the front panel.
Δ ∇
or key to display "LIMITS: ON" and press ENTER.
Model 2750 Multimeter/Switch System User's Manual
to key in the HI1 limit and press ENTER.
Section
Δ
, K, or M) as a multiplier.
Δ ∇
or will increase or
Table 9-1 ) as follows:
Δ
or
7.
∇
key to