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H2B USER'S MANUAL - 550145G
B4 STATE REC.
During the energy recovery phase the output is activated
(that's to say that the output is taken to a low level). It is
used for the control of the state of the battery charge level
of the instrument "ZILB 93".
B7 SPEED SIGNAL*
Input for the speed signal caming from a trasducer speed
/ voltage. The range admitted by the signal is from 0V to
5V.
B8 SPEED REF*
Input for the reference speed signal.
On this pin it is fixed the voltage corresponding to the
relative speed which must not be exceeded on the pin
B7, range admitted from 0V to 5V.
* This function is active when the option "speed" is programmed in the "check" way.
5.1.2 Programmable functions (OPTIONS)
-
The options can be programmed from the console using the “set options” menu
function
option
description
1) BYPASS CONTACTOR
bypass
The contactor connected to connector G3 is handled as
bypass, with activation current =<80%Imax., output
current =<90%Imax., activation delay= 800 msec.
weakening cont. The contactor connected to connector G3 is handled
as weakening, with activation current = 50% of the pro-
grammable output current (WEAK DROP OUT) from 10%
to 100% Imax. Activation delay=800 msec.
2) SPEED CONTROL
on
Speed check not active. The mini-console can be used
with this option.
off
Speed check active. At input “B8”, a reference potential
between 1 and 5 V is applied, at “B7” an analogue signal
proportional to the speed is applied. When the signal on
connector B7 exceeds that of reference on B8, the
machine begins to reduce the motor voltage or brakes if
the difference persists. This braking state
remains until
the signal on B7 becomes less than that of B8. Sampling
is made once every 60 msec.
Note: when the speed check option is active, the mini-
console cannot be used.
3)
BATTERY CHECK
on
No low battery charge alarm.
off
Activates the check that reads the battery voltage in
standby. When the residual charge is less than 10%, the
maximum current is halved and the LED blinks
continuously.
