Reset; Unlocking Keys - Pepperl+Fuchs 3RG7256-3NQ00-PF Instructions De Service Et De Montage

No. LED Muster Description
20 Q maximum hold mode:
1
Provided
Q = +U
1
value is stored.
If Q
1
mitted at the analogue output. A minimum
hold can be set by inverting the analogue
characteristic curve (analogue 100% point
< analogue
0 % point).
21 Q difference hold mode:
1
Provided Q
between the measured values is saved.
When Q
transmitted at the analogue output.
22 Activate factory settings:
When the S button is pressed, the factory
setting is activated.
23 Locking keys:
If function is activated locking becomes
active once the setting mode has been
quit. Cancel locking with RESET or the
unlocking function (see "Unlocking keys")
24 Meas. value hold mode:
If no object is in the measuring range
(good target = off), the last meas. value is
held at the analogue output.
25 Differential measurement mode master:
Activate/deactivate
Description see differential measurement
mode (page 38).
26 Differential measurement mode slave:
Activate/deactivate
Description see differential measurement
mode (page 38).

Reset

When switching on the sensor (power on), keep the S button pressed (approx. 10 seconds) until the LED lights stop
flashing and are permanently on. The BA power supply indicator is green. When the S button is released, a Reset is
carried out which returns the device to delivery status where factory settings are active.
(See table of functions page 32­34).

Unlocking keys

When switching on the sensor (power on), keep the T button pressed (approx. 10 seconds) until the LED lights stop
flashing and are permanently on. The ZA status indicator is red. When the T button is released, the setting mode is
unlocked.
34
, the max. recorded measured
B
= ­U , the determined value is trans­
B
= +U , the difference
1 B
= ­U , the determined value is
1 B
"ZA" status indicator
On = Maximum hold active
Off = Maximum hold not active
On = Difference hold active
Off = Difference hold not active
ZA lights up as long as the S button
is pressed
On = Locking is active
Off = Locking is not active
On = Meas. value hold is active
Off = Meas. value hold is
not active
On = Differential measurement
mode ­ master is active
Off = Differential measurement
mode ­ master is not active
On = Differential measurement
mode ­ slave is active
Off = Differential measurement
mode ­ slave is not active
3RG7256­3NQ00­PF Distance sensor ­ 068­13787 / 45­3489 ­ Stand: 03/2011
Mounting and
operating instructions
Factory setting
Not active
Not active
Not active
Not active
Not active
Not active
Not active