nextys DCW20 - Table of Contents

DCW20 User Manual rev. 5
Page 3/34
1 Product description ........................................................................................................................................... 5
2 Features and benefits ....................................................................................................................................... 6
3 Functional description ...................................................................................................................................... 6
3.1 UPS mode .................................................................................................................................................. 7
3.1.1 Backup ................................................................................................................................................. 8
3.1.2 Battery health monitor .......................................................................................................................... 8
3.1.3 Battery charger ..................................................................................................................................... 9
3.1.4 Coulomb counter ................................................................................................................................ 10
3.1.5 PC shutdown and automatic restart ................................................................................................... 11
3.1.6 Cold start ............................................................................................................................................ 12
3.2 DC/DC mode ............................................................................................................................................ 12
3.2.1 Parallel operation ............................................................................................................................... 13
3.3 Current limit .............................................................................................................................................. 14
3.3.1 Current limit in UPS mode .................................................................................................................. 14
3.3.2 Current limit in DC/DC mode.............................................................................................................. 14
3.4 Inhibit ........................................................................................................................................................ 14
3.5 Modbus ..................................................................................................................................................... 15
4 User interface ................................................................................................................................................. 19
4.1 Status ........................................................................................................................................................ 20
4.2 Settings ..................................................................................................................................................... 20
4.2.1 Modbus address ................................................................................................................................. 21
4.2.2 Modbus baudrate ............................................................................................................................... 21
4.2.3 Modbus parity ..................................................................................................................................... 21
4.2.4 Modbus stop bits ................................................................................................................................ 21
4.2.5 Battery type ........................................................................................................................................ 21
4.2.6 Battery charge voltage ....................................................................................................................... 21
4.2.7 Battery charge current ........................................................................................................................ 21
4.2.8 Battery float voltage ........................................................................................................................... 22
4.2.9 Battery low voltage ............................................................................................................................. 22
4.2.10 Battery deep discharge voltage ...................................................................................................... 22
4.2.11 Battery max. discharge current ....................................................................................................... 22
4.2.12 Battery capacity - Supercap capacitance ....................................................................................... 22
4.2.13 Battery min. temperature ................................................................................................................ 22
4.2.14 Battery max. temperature ............................................................................................................... 22
4.2.15 Battery lifetime ................................................................................................................................ 23
4.2.16 Ri alarm mode ................................................................................................................................. 23
4.2.17 Ri nom. ............................................................................................................................................ 23
4.2.18 Ri max. variation ............................................................................................................................. 23
4.2.19 Operating mode .............................................................................................................................. 23
4.2.20 Nominal output voltage ................................................................................................................... 23
4.2.21 Max. input current ........................................................................................................................... 24
4.2.22 Max. output current ......................................................................................................................... 24
4.2.23 Max. Backup time enable ............................................................................................................... 24
4.2.24 Max. backup time ............................................................................................................................ 24
4.2.25 Buzzer enable ................................................................................................................................. 24
4.2.26 Relay 1 configuration ...................................................................................................................... 25
4.2.27 Relay 2 configuration ...................................................................................................................... 25
4.2.28 Inhibit polarity .................................................................................................................................. 25
4.2.29 DC/DC output mode ........................................................................................................................ 25
4.2.1 Output enable ..................................................................................................................................... 25
4.2.1 Aux enable ......................................................................................................................................... 26
4.2.2 PC shutdown enable .......................................................................................................................... 26
4.2.3 PC automatic restart enable............................................................................................................... 26
4.2.4 PC shutdown delay ............................................................................................................................ 26
4.2.5 PC shutdown time .............................................................................................................................. 26
4.2.6 PC restart minimum time .................................................................................................................... 26
4.2.7 PC off detection current threshold ..................................................................................................... 26
4.2.8 PC off detection timer ......................................................................................................................... 27
4.2.9 Battery installation date ...................................................................................................................... 27
DCW20_040-02-700-005-EH-1117