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DCW20

 User Manual rev. 5 

Page 16/34 

 

Address  Type 

R/W 

Unit 

Min. 

Max. 

Description 

3: Lithium 
4: Supercapacitor 

0x1011 

UINT16  R/W 

0.1V 

10 

58 

Battery charge voltage. 

0x1012 

UINT16  R/W 

0.1A 

0.5 

20 

Battery charge current. 

0x1013 

UINT16  R/W 

0.1V 

10 

58 

Battery float voltage. 

0x1014 

UINT16  R/W 

0.1V 

5 

58 

Battery low voltage. 

0x1015 

UINT16  R/W 

0.1V 

5 

58 

Battery deep discharge voltage. 

0x1016 

UINT16  R/W 

0.1A 

5 

21 

Battery max. discharge current. 

0x1017 

UINT16  R/W 

0.1Ah 

1 

200 

Battery 

capacity 

- 

Supercap 

capacitance. 

0x1018 

SINT16  R/W 

1°C 

-40 

60 

Battery min. temperature. 

0x1019 

SINT16  R/W 

1°C 

-40 

60 

Battery max. temperature. 

0x101A 

UINT16  R/W 

1kh 

1 

100 

Battery lifetime. 

0x101B 

UINT16  R/W 

1 

0 

3 

Ri alarm mode. 
0: Disabled 
1: Fix 
2: Automatic 
3: Automatic done 

0x101C 

UINT16  R/W 

0.1mΩ  0 

300 

Ri nom. 

0x101D 

UINT16  R/W 

1% 

50 

300 

Ri max. variation. 

0x1020 

UINT16  R/W 

1 

1 

2 

Operating mode. 
1: UPS 
2: DC/DC 

0x1021 

UINT16  R/W 

0.1 

10 

58 

Nominal output voltage. 

0x1022 

UINT16  R/W 

0.1 

5 

21 

Max. input current. 

0x1023 

UINT16  R/W 

0.1 

1 

21 

Max. output current. 

0x1024 

UINT16  R/W 

1 

0 

1 

Max. Backup time enable. 
0: Disabled 
1: Enabled 

0x1025 

UINT16  R/W 

1m 

1 

1440 

Max. backup time. 

0x1026 

UINT16  R/W 

1 

0 

1 

Buzzer enable. 
0: Disabled 
1: Enabled 

0x1027 

UINT16  R/W 

1 

0 

65535 

Relay 1 configuration (see §4.2.26). 

0x1028 

UINT16  R/W 

1 

0 

65535 

Relay 2 configuration (see §4.2.27). 

0x1029 

UINT16  R/W 

1 

1 

2 

Inhibit polarity. 
1: Low 
2: High 

0x102A 

UINT16  R/W 

1 

1 

2 

DC/DC output mode. 
1: Single 
2: Parallel 

0x102B 

UINT16  R/W 

1 

0 

1 

Output enable.  
0: Disabled 
1: Enabled 

0x102C 

UINT16  R/W 

1 

0 

1 

Aux enable.  
0: Disabled 
1: Enabled 

0x1030 

UINT16  R/W 

1 

0 

1 

PC shutdown enable.  
0: Disabled 
1: Enabled 

0x1031 

UINT16  R/W 

1 

0 

1 

PC automatic restart enable.  
0: Disabled 

DCW20_040-02-700-005-EH-1117

Содержание DCW20

Страница 1: ...DCW20 User Manual rev 5 Page 1 34 DCW20 960W COMBO DC UPS DC DC Converter User Manual POWERMASTER DCW20_040 02 700 005 EH 1117 ...

Страница 2: ...ch the failure of the NEXTYS product could create a situation where personal injury or death may occur Should Buyer purchase or use NEXTYS products for any such unintended or unauthorized application Buyer shall indemnity and hold NEXTYS and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising ou...

Страница 3: ...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 c...

Страница 4: ...27 4 3 2 Firmware subversion 27 4 3 3 Build date 27 4 3 4 Build time 27 4 3 5 Serial number 28 4 3 6 Boot cycles 28 4 3 7 Operating time 28 4 3 8 Battery operating time 28 4 4 Logs 29 4 4 1 Info 29 4 4 2 Alarms 30 4 4 3 Events 34 4 5 Wizard 34 5 Technical Specifications 34 DCW20_040 02 700 005 EH 1117 ...

Страница 5: ...ERMASTER or custom application for remote monitoring and controlling Firmware update is also possible through USB connection 3 Temperature sensor Optional temperature sensor P N WNTC 2MT to measure the battery temperature for protection and temperature compensated charge method 4 Relays dry contacts 2 relays are present for remote monitoring See 4 2 26 for more details 5 Modbus over RS485 Used to ...

Страница 6: ...able for energy management applications Suitable for POWERMASTER software available for Windows and Android Embedded user interface 4 keys and 1 color graphic LCD display Allows online device configuration Displays the DCW20 status and alarms 2 Dry contacts for programmable status signals Free PC and Android application POWERMASTER used for Connection through Modbus Remote monitoring and configura...

Страница 7: ...xRelays Inhibit HMI Figure 2 DCW20 simplified block diagram 3 1 UPS mode In UPS mode the DCW20 protects a load from unwanted power interruption in case of mains failure An example of UPS connection is given on Figure 3 When the input is present DCW20 acts as a bypass connecting the input to the output via the input switch Meanwhile if required the battery is charged During bypass there is no volta...

Страница 8: ... wiring Temperature measurement The battery temperature is monitored through an optional temperature sensor P N WNTC 2MT The battery charger takes into account the battery temperature and provides a temperature compensated charging voltage In case of over or under temperature the system disconnects the battery to prevent damage Coulomb counter Estimates the remaining battery capacity and consequen...

Страница 9: ...utomatically calculated by the device For Nickel batteries only the following conditions are also checked Temperature Cutoff TCO The battery temperature if higher than the Battery maximal temperature 4 2 14 minus 3 C for more than one minute For example if the maximal battery temperature is set to 60 C the charge terminates in case the temperature is higher than 57 C Rate of Temperature Increase Δ...

Страница 10: ...t must be included in the battery pack For Nickel batteries the use of the external temperature sensor is mandatory The sensor must be placed in contact with the battery 3 1 4 Coulomb counter DCW20 measures the current flowing from to the battery to keep track of the capacity available on the battery The capacity is measured in Ampere Hour Ah The value shown is based on the following assumptions T...

Страница 11: ... below shows the DCW20 behavior when Shutdown and automatic restart is enabled Time PC OFF signal PC status Output voltage Output current Input voltage T1 T2 T3 T4 T3 E3 E1 E2 E4 Ioff Figure 8 Shutdown and restart chart Parameter Name Description E1 Backup Power failure on the line happens System enters backup mode E2 Automatic PC shutdown The POWERMASTER sends a shutdown command to the PC Optiona...

Страница 12: ...e input power This procedure is used to turn ON the UPS to operate during a power interruption This practice is also a method to see if the battery connected to the DCW20 is functional In cold start the DCW20 will remain ON for at least 60 seconds independently from the battery voltage even when being under the deep discharge threshold the inhibit input and the backup timer After the first 60 seco...

Страница 13: ...nits the cable length connecting the 2 DCW20 to the load must have the same length and cross section For optimal current sharing it may be necessary to slightly adjust one of the 2 devices output voltage until the same current is delivered by the 2 units It is recommended to limit the load power to 80 of the sum of the individual output power of the paralleled units Parallel connection for power i...

Страница 14: ...he battery during the backup function When the threshold is reached due to excessive loading a battery overcurrent alarm is triggered and the output voltage starts to decrease When the battery discharge current is approaching the threshold the measured battery current is displayed with red fonts on the LCD 3 3 2 Current limit in DC DC mode In DC DC mode DCW20 provides 2 different settings for the ...

Страница 15: ... of 2 consecutive registers in big endian order UINT32 3 16 Unsigned 32 bit value Composed of 2 consecutive registers in big endian order DATE 3 16 Time and date field Composed of 4 Modbus registers as follows Address offset Byte Description 0 MSB Reserved set to 0 LSB Year 2000 1 MSB Month 1 January LSB Day of the month 2 MSB Hour of the day 24h format LSB Minutes 3 MSB Milliseconds LSB Table 2 M...

Страница 16: ...R W 0 1mΩ 0 300 Ri nom 0x101D UINT16 R W 1 50 300 Ri max variation 0x1020 UINT16 R W 1 1 2 Operating mode 1 UPS 2 DC DC 0x1021 UINT16 R W 0 1 10 58 Nominal output voltage 0x1022 UINT16 R W 0 1 5 21 Max input current 0x1023 UINT16 R W 0 1 1 21 Max output current 0x1024 UINT16 R W 1 0 1 Max Backup time enable 0 Disabled 1 Enabled 0x1025 UINT16 R W 1m 1 1440 Max backup time 0x1026 UINT16 R W 1 0 1 Bu...

Страница 17: ... 0 10000 Battery charge capacity 0x2010 UINT16 R 1cycle 0 65535 Boot cycles 0x2020 UINT32 R 1h 0 500000 Operating time 0x2022 UINT32 R 1h 0 500000 Battery operating time Commands 0x3000 BIT W 1 0 1 Perform Ri measurement 0x3001 BIT W 1 0 1 Shutdown 0x3002 BIT W 1 0 1 Reset device State see 4 4 0x4000 BIT R 1 0 1 Battery charging 0x4001 BIT R 1 0 1 Battery floating 0x4002 BIT R 1 0 1 Battery discha...

Страница 18: ...tage 0x4034 BIT R 1 0 1 Output over voltage 0x4035 BIT R 1 0 1 Output overload 0x4036 BIT R 1 0 1 Input over current 0x4037 BIT R 1 0 1 Auxiliary output overload 0x4038 BIT R 1 0 1 External temperature sensor error 0x4039 BIT R 1 0 1 Backup time left 25 0x403A BIT R 1 0 1 Warning over temperature 0x403B BIT R 1 0 1 Error over temperature Table 3 Modbus fields DCW20_040 02 700 005 EH 1117 ...

Страница 19: ...ttings are configurable from this menu Use the UP DOWN KEY to navigate through the parameters Press the OK KEY to enter exit the editing mode In editing mode use the UP DOWN KEY to change the highlighted value Info Device information such as firmware version serial number and device name is visible from this menu Logs All the alarms and event are logged in a circular buffer and visible from this s...

Страница 20: ...ects the direction of the current flowing through the battery pointing towards the battery during charging Battery section is not present in DC DC mode Auxiliary The measured auxiliary output voltage and current is shown in this section For each section the icon background color reflects its status green on healthy state or red orange otherwise Furthermore in case of alarm a message appears on the...

Страница 21: ...e Modbus address NA Modbus stop bits 0x1003 The parity for Modbus over RS485 serial port 4 2 5 Battery type Default value Values Modbus value Pb Lead 1 Nickel 2 Lithium 3 SuperCap 4 Unit LCD name Modbus address NA Bat type 0x1010 Defines the type of battery connected to the device See 3 1 3 for details about the different charging algorithms 4 2 6 Battery charge voltage Default value Range Resolut...

Страница 22: ...Unit LCD name Modbus address Amperes Bat max disch I 0x1016 During backup the DCW20 limits the maximum discharge current to this value reducing the output voltage if necessary 4 2 12 Battery capacity Supercap capacitance Default value Range Resolution 1Ah or 1F 1 200Ah or F 0 1Ah or F Unit LCD name Modbus address Ampere hours or Farad Bat capacity 0x1017 Nominal capacity Ah of the installed batter...

Страница 23: ...ery Ri too high alarm 4 4 2 2 4 2 18 Ri max variation Default value Range Resolution 300 50 300 1 Unit LCD name Modbus address Percent Ri max variation 0x101D Used for the threshold calculation of the Battery Ri too high alarm 4 4 2 2 4 2 19 Operating mode Default value Values Modbus value UPS UPS 1 DC DC 2 Unit LCD name Modbus address NA Operating mode 0x1020 Defines the DCW20 operating mode See ...

Страница 24: ...aximum 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 ...

Страница 25: ... Low 5 Bat Disconnected 6 Bat charge failure 7 Backup left 25 8 Unit LCD name Modbus address NA Relay 2 0x1028 This field defines the behavior of relay 2 see Relay 1 configuration 4 2 28 Inhibit polarity Default value Values Modbus value High Low 1 High 2 Unit LCD name Modbus address NA Inhibit polarity 0x1029 Selects the active polarity of the inhibit input See 3 4 for more information about the ...

Страница 26: ...ame Modbus address NA PC restart enable 0x1031 See 3 1 5 4 2 4 PC shutdown delay Default value Range Resolution 3600s 1 3600s 1s Unit LCD name Modbus address Seconds PC shutdown delay 0x1032 See 3 1 5 4 2 5 PC shutdown time Default value Range Resolution 600s 1 600s 1s Unit LCD name Modbus address Seconds PC shutdown time 0x1033 See 3 1 5 4 2 6 PC restart minimum time Default value Range Resolutio...

Страница 27: ... 0x1104 The value increments automatically at the end of a battery charge cycle 4 3 Info While in the info menu use the UP DOWN KEY to navigate through the menu items The fields are also accessible via Modbus at the specified address Modbus device identification fields are read using function 43 13 0x2B 0x0E at the specified object id 4 3 1 Firmware version LCD name Modbus FW version Device Identi...

Страница 28: ...LCD name Modbus address Cycles Boot cycles 0x2010 Counter of power ON cycles 4 3 7 Operating time Unit LCD name Modbus address Hours Operating time 0x2020 DCW20 operating hour counter 4 3 8 Battery operating time Unit LCD name Modbus address Hours Bat operating time 0x2022 Hours elapsed since the Battery installation date 4 2 9 DCW20_040 02 700 005 EH 1117 ...

Страница 29: ...f active For info and alarms a log is generated at each status transaction In case of active alarm the front LED and the buzzer turn ON 4 4 1 Info 4 4 1 1 Battery charging LCD name Modbus address Bat charging 0x4000 Value1 Value2 Inactive 0 Active 1 Not used Active when the battery is charging 4 4 1 2 Battery floating LCD name Modbus address Bat floating 0x4001 Value1 Value2 Inactive 0 Active 1 No...

Страница 30: ... Value1 Value2 Inactive 0 Active 1 Not used Active if the optional external temperature sensor is connected 4 4 1 9 Inhibit LCD name Modbus address Inhibit 0x4025 Value1 Value2 Inactive 0 Active 1 Not used Active if the inhibit input signal is asserted see 3 4 4 4 1 10 Output disabled LCD name Modbus address Output disabled 0x4026 Value1 Value2 Inactive 0 Active 1 Not used Active if the output is ...

Страница 31: ...1 Offending threshold Status 1 0 Max measured value Active when the battery measured temperature using the optional external sensor exceed the threshold specified in Battery max temperature field 4 2 14 If active the battery charged is disabled 4 4 2 5 Battery lifetime elapsed LCD name Modbus address Bat lifetime elapsed 0x4014 Value1 Value2 Hours Inactive 0 Active 1 Status 0 1 Offending threshold...

Страница 32: ... Volts Inactive 0 Active 1 Status 0 1 Offending threshold Status 1 0 Min measured value Active when the battery measured voltage is under the threshold specified in Battery deep discharge voltage field 4 2 10 4 4 2 11 Backup LCD name Modbus address Backup 0x4030 Value1 Value2 Inactive 0 Active 1 Not used Active when the system is in backup 3 1 1 4 4 2 12 Input under voltage LCD name Modbus address...

Страница 33: ...fied in Max output current field 4 2 22 4 4 2 17 Input over current LCD name Modbus address Input over current 0x4036 Value1 Value2 Inactive 0 Active 1 Not used Active when the measured input current reaches the threshold specified in Max input current field 4 2 21 4 4 2 18 Auxiliary output overload LCD name Modbus address Aux overload 0x4037 Value1 Value2 Inactive 0 Active 1 Not used Active when ...

Страница 34: ...nt damage the device switches OFF 4 4 3 Events 4 4 3 1 Power ON event LCD name Modbus address Power ON 0xE000 Value1 Value2 Power ON count Not used Generated at every time the DCW20 is turned ON 4 4 3 2 Shutdown event LCD name Modbus address Shutdown 0xE001 Value1 Value2 Shutdown count Shutdown reason 1 Deep discharge 2 Max backup time elapsed 3 Shutdown command 4 Reset command 5 Inhibit signal Ge...

Страница 35: ...9999 Kurt Stritzelberger Pewatron AG Edisonstraße 16 D 85716 Unterschleißheim Phone 49 89 260 52 80 Mobile 49 171 803 41 35 kurt stritzelberger pewatron com Postcode 32000 37999 Postcode 40000 79999 Gerhard Vetter Pewatron AG Fürstenbergstraße 12 D 55422 Bacharach Medenscheid Phone 49 674 394 75 75 Mobile 49 163 762 74 30 gerhard vetter pewatron com Gas sensors Gas sensor modules Load cells Thomas...

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