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Functions of MCB-15 and MCB-20 (12rv 240V AC/DC)
ON Delay (Er) [MCB-15 & MCB~20]:
When the supply voltage U is applied, the set interval t begins (green LED utt flashes).
the interval t has expired (green LED U/t illuminated) the output relay R switches into
on-position
(yellow
interrupted.
If the supply voltage
already
expired
LED illuminated).
This status remains
is interrupted
is erased and restarted
until the supply voltage
LED illuminated)
expired
when the supply voltage
is interrupted
off-position
The interval already
R~
expired
:
into on-position
is interrupted.
(yellow
LED
Em-2
and restarted
into
when the
is next applied.
OFF Delay with control input (R) [MCB-15 & MCB-20] :
The supply voltage U must be constantly applied to the device (green LED Utt illuminated).
When the control contact S is closed, the output relay R switches into on-position (yellow LED
illuminated).
If the control contact
After the interval t has expired
off-position
(yellow
is opened,
the output relay switches
If the control contact
the interval already
of control contact
R
the set interval t begins (green LED flashes).
(green LED utt illuminated)
LED not illuminated).
interval t has expired,
opening
LEDU~t~
If the supply
the output relay switches
is erased
(yellow
After the interval t has
into off-position
until the supply voltage
before the interval t has expired,
immediately.
supply voltage
the output relay R switches
the output relay switches
This status remains
LEDU~t~
is next applied.
and the set interval t begins (green LED Utt flashes).
(green LED U/t illuminated)
not illuminated).
voltage
U is applied,
Er
is
before the expiry of the interval t, the interval
Single shot leading edge voltage controlled (Em) [MCB-15 & MCB-20]
When the supply voltage
After
expired
LEDU~5i§E
S
R
t
<t.
into
is closed again before the
is erased and restarted
at the next
S.
ON Delay with control input (Es) [MeB-20]:
The supply voltage
U must be constantly
applied
to the device (green LED Utt illuminated).
When the control contact S is closed, the set interval t begins (green LED Utt flashes).
the interval t has expired (green LED Utt illuminated) the output relay R switches into
on-position
(yellow
LED illuminated).
This status remains
until the control
again. If the control contact is opened before the interval t has expired,
expired is erased and restarted with the next cycle.
contact
Es
After
LEDU~~
R~
is opened
the interval
already
Single shot leading edge with control input (Ts) [MCB-20) :
The supply voltage U must be constantly applied to the device (green LED Utt illuminated). When the
Ts
control contact S is closed, the output relay R switches into on-position (green LED utt illuminated) and
the set interval t begins (green LED Utt flashes). After the interval t has expired (green LED utt
illuminated) the output relay switches into off-position (yellow LED not illuminated). During the interval,
the control contact can be operated any number of times. A further cycle can only be started when the
cycle run has been completed.
Single shot trailling edge with control input (Ta) [MCa-20]
The supply voltage
U must be constantly
Closing
contact
the control
control contact
is opened,
applied to the device
S has no influence
on the condition
the output relay switches
and the set interval t begins (green LED Utt flashes).
LED U/t illuminated),
the output relay switches
:
(green LED U/t illuminated).
of the output R. When the
into on-position
(yellow
Flasher (Et) [MCB-15 & MCa-20]
_
(green
of times. A further
cycle
the set interval t begins (green LED U/t flashes).
After
:
U is applied,
into off-position
LEDU~~
S
R
LED not illuminated).
the interval t has expired, the output relay R switches into on-position (yellow LED
illuminated) and the set interval t begins again. After the interval t has expired, the output
relay switches
Ta
LED illuminated)
After the interval t has expired
into off-position
During the interval, the control contact can be operated any number
can only be started when the cycle run has been completed.
When the supply voltage
(yellow
(yellow
at a ratio of 1: 1 until the supply voltage
LED not illuminated).
The output relay is triggered
is interrupted.
81
Print Date: 03.2013
Ef
U :
Supply Voltage
ij: Rea.y
Vobge