LEGRAND NUMERIC HP i 33 40 kVA Series User Manual page 17

• Expansion dry contact board (optional)
The expansion dry contact communication port includes 4 input dry contact communication signal and 3
output dry contact signal, detailed definition is as shown in Table 2-2 and Table 2-3.
Table 2-2. Output dry contact function illustration
No. Silk-screen
1 ND5
2 ND6
3 ND7
4 ND8
Table 2-3. Input dry contact function illustration
No. Silk-screen
1 ND9
2 ND10
3 ND11
4 ND12
• Control card
The control card includes two ports: PARALLEL port is used for connecting the parallel UPS; BCS port is
double-busbar system port.
• SNMP card and software (optional)
SNMP card is installed in the SNMP card insert slot of UPS or externally. It can realize remote
management of the UPS through network. For detailed operating setting, please see the user manual of
network adapter.
• Monitor card
Monitor card includes two network ports: MODBUS port is used for the communication of MODBUS, RS485
port is used for the communication of RS. 485.
Signal
It can be set to battery trip,
output breaker, bypass
output, start generator, sync/
async signal.
Signal
It can be set to battery
grounding
Reserved
Function illustration
When the signal is valid, COM
and NO is closed, COM and NC
is opened. The allowable
voltage-withstand is 250 V/1A.
Function illustration
When the signal is valid, NO
and COM is short circuited.
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