ivo FE304 Instrucciones De Servicio página 4

Operating Instructions for
Series FE/FS 300
Adding Preset Counters (FE)
Subtracting Preset Counters (FS)
1
Reset and Cycle repition
4
Adding Preset Counter
Manual reset
Electrical and manual reset
Subtracting Preset Counter
Manual reset
Electrical and manual reset
The counter adds from zero up to the preset value and gives
an output signal as soon as it is achieved. The contact
remains active until the counter is being reset = permanent
contact. Oncoming impulses during this time have no
impact on the reset process.
The counter subtracts from the preset number down to zero
and gives an output signal as soon as it is achieved. The
contact remains active until the counter is being reset =
permanent contact. Oncoming impulses during this time
have no impact.
Pre contact A fixed pre-signal contact can be provided to operate at any
fixed number before the final signal. This pre-signal contact
is a changeover contact and also remains operative until the
counter is reset.
Entering of Keep reset button (1) pressed thus allowing entering the
Preset Value preset value by the respective preset keys (2). As soon as
the reset button is released the preset keys are locked.
2
Note:
Do not preset 00000.
Important:
Please ensure that no impulses are coming to the counter
during preset and reset process. Adding counters always
resets to zero whilst subtracting counters always reset to
the preset value. At the same time the output contact
switch is set to its standard position.
Manual reset By means of reset key. The key reset option only allows
reset by means of the corresponding key to prevent an
accidental counter reset.
Electrical reset By means of an external signal.
FE304, FE314, FE324
FE309, FE319, FE329
FS304, FS314, FS324
FS309, FS319, FS329