Rev. 1.2 of 12.2020
27
Brown wire
–
second supply line
The D4 and D5 LEDs indicate which line is currently powered. When the actuator
changes its direction of operation, the first LED goes off and the second one goes on.
If both LEDs light simultaneously or none of them is on, this indicates failure of the
actuator supply line.
Connecting Diagram:
Schematic Diagram:
4.13.
MMG Module
–
Power Generator Module
In case of a backup power supply system in the form of a
power generator, the “ZUP”
power supply unit may be equipped with a relay outputs module which receives diagnostic
signals sent by the generator in the form of potential-free contacts. Signals specified by PN-
EN 12101-10 are as follows:
•
Too low voltage of start-up batteries
•
Start-up failure
•
Too high engine temperature
•
Too low engine oil pressure
•
Overspeed
•
Generator overload
•
Low fuel level (for less than 3 hours of operation)
The monitoring module transmits the status of these signals to the Control Panel as
individual signals or the generator generic failure signal. The failure information may also be
transferred to the front panel of the “ZUP” power supply unit in the form of individual signals
or a generic signal.
Detecting and signalling functions are fulfilled by relays with monostable changeover
contacts (NO and NC), e.g. RM84 or R4 type.
Junction
box
Actuator
Actuator
power supply
and control
N
– blue
CZ
– red
B
– brown
Actuator
Junction box
Power
supply
unit
Monitoring the power and control circuit of a single
or many three-wire or two-wire 24 V DC actuators
It only applies to
three-wire
actuators
Actuator
Actuator
24 V DC
Содержание ZUP
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