nextys DCW20 - Max. Input Current; Max. Output Current; Max. Backup Time Enable; Max. Backup Time

DCW20 User Manual rev. 5
Page 24/34
4.2.21 Max. input current
Default value
Range
Resolution
20A
5…21A
0.1A
Unit
LCD name
Modbus address
Amperes
Max input I
0x1022
UPS mode: DCW20 limits the maximum input current to this value reducing the battery charging
current if necessary.
DC/DC mode: DCW20 limits the maximum input current (in DC/DC mode the input is connected to
the battery connection) to this value reducing the output voltage if necessary.
4.2.22 Max. output current
Default value
Range
Resolution
20A
5…21A
0.1A
Unit
LCD name
Modbus address
Amperes
Max output I
0x1023
DCW20 limits the maximum output current to this value reducing the output voltage if necessary.
4.2.23 Max. Backup time enable
Default value
Values (Modbus value)
Disabled
Disabled (0), Enabled (1)
Unit
LCD name
Modbus address
NA
Backup time enable
0x1024
If enabled the DCW20 shuts down if the backup last more than the “Max. backup time” value
(§4.2.24).
4.2.24 Max. backup time
Default value
Range
Resolution
1440min
1…1440min
1min
Unit
LCD name
Modbus address
Minutes
Back. time max
0x1025
If “Max. Backup time enable” field is enabled the DCW20 shuts down if the backup last more than the
specified amount of time.
4.2.25 Buzzer enable
Default value
Values (Modbus value)
Disabled
Disabled (0), Enabled (1)
Unit
LCD name
Modbus address
NA
Buzzer enable
0x1026
Enable/Disable buzzer sound in case of alarm.
DCW20_040-02-700-005-EH-1117