COVER series MZ – User manual
COMEX S.A.
15
Table 2-2 Output signals
No.
Description
Signal
Description
1
ND5
The signals can be set as: triggering
the battery switch in case of EPO
activation, output signal informing
about the position of the output
disconnector in the OFF position,
bypass operation, synchronization
signal, start or stop signal of the unit
operation.
The occurrence of the event results
in the closing of NO-COM pins and
the opening of NC-COM pins.
Permissible values of 1A / 250V
signals.
2
ND6
3
ND7
4
ND8
Table 2-3 Input signals
No.
Description
Signal
Description
1
ND9
Input signals from external devices
informing about the operation of
the unit, power supply failure at the
UPS input or grounding of the
battery.
The occurrence of the event results
in the closing of NO-COM
2
ND10
3
ND11
4
ND12
Reserve
The occurrence of the event results
in the closing of NO-COM
2.7.2.
Control module
The UPS is equipped as standard with a control module that manages the operation of the UPS,
which is also used for parallel communication of the power supplies. An optional solution is a
redundant control module card, acting as a redundant module, which is standard equipment in
the case of a parallel system.
2.7.3.
SNMP card
The SNMP card allows the user to remotely manage and read device operation parameters via
the network. A detailed description of the possibility of the SNMP card contained in it in the
instruction manual of the card.
2.7.4.
Monitoring card
The monitoring card enables communication by means of Modbus and RS-485, additionally
has 6 dry contact contacts (3 input ports and 4 output ports).
