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Micha Solar 

MSRx Charge Controller 

User Operation Manual 

 

Page 6 of 46 

Document: 802440-30.doc 

Date: December 2020 

www.micha.co.uk 

  

4. MSRx Information Screens 

The MSRx Charge Controller has a 2-line by 16-character alphanumeric LCD Display which is used to display 
system information and settings to the user.   

MSRx Information Screens

 available to the user are shown on the following 

Menu Map

: 

 

 

4.1.  Menu Navigation 

Menu

 keypad switch moves the user along the Menus 0 to 6 and back to Menu 0. 

Up

 and 

Down

 keypad switches moves the user up and down within a Menu. 

Select

 keypad switch activates functions or selects a parameter to change its value. 

Pressing

 Menu

 and 

Down

 switches at the same time will move the user to 

Menu 0 Screen 0

. 

Menu 0 Screen 0

 is also called the 

Home Screen

.   

 

4.1.1.  External Switch Input 

Menu, Up, Down and Select switches may be duplicated on the exterior of the Controller (using suitable 
IP  rated  switches)  to  allow  the  user  to  view  the  MSRx  Information  Screens.    Alternatively,  a  single 
External Switch may be connected to the MSRx Control PCB Assembly on the IN1 switch input and this 
will provide a limited menu of screens to view some of the controller parameters. 

See section 4.9 

 

Содержание MSRx

Страница 1: ...the controller powered up and working General Operation How does the Controller work Section 3 Page 3 Explanation of the operation and functions available Information Screens What information is avai...

Страница 2: ...2 System Connections 2 2 1 Connect the Battery to the MSRx Battery Power connections 2 2 2 Connect the Battery to the MSRx Battery Voltage Sense connections 2 2 3 Connect the MSRx Temperature Sensor...

Страница 3: ...th the controller Alternatively a Resistance Temperature Detector RTD may be connected to a MSRx RTD Interface Module to measure temperature in hazardous areas If the Battery Temperature Sensor has be...

Страница 4: ...Relays MSRx2 2 stage Controller Array Relays are used in rotation 1 2 MSRx4 4 stage Controller Array Relays are used in rotation 1 3 2 4 MSRx6 6 stage Controller Array Relays are used in rotation 1 5...

Страница 5: ...r below user defined set points see Section 5 4 for details 3 12 Low Charge Alarm The Low Charge Alarm is designed to indicate when the Solar Power System is in a low state of charge See Section 5 3 3...

Страница 6: ...keypad switches moves the user up and down within a Menu Select keypad switch activates functions or selects a parameter to change its value Pressing Menu and Down switches at the same time will move...

Страница 7: ...arge current For a Dual Battery System Screen 1 Up will show the Battery State of Charge for each Battery Input Array Relays are also described as Array Switches in this manual Menu 0 Screen 0 Home Sc...

Страница 8: ...m active Batt Lo Temp Alm Battery Low Temperature Alarm active Low Charge Alarm Low Charge Alarm Array1 Fail Alarm Array 1 Failure Alarm Array2 Fail Alarm Array 2 Failure Alarm Array3 Fail Alarm Array...

Страница 9: ...Load Voltages See Notes System Info Array I 123A 6 Total Array Current in Amps If the Array Shunt used is 60 150A then one decimal point is shown System Info Load I 12A 7 Total Load Current in Amps I...

Страница 10: ...e Highest or Lowest of BV1 and BV2 see Menu L System Temperature may be BT1 or the Average Highest or Lowest of BT1 and BT2 see Menu L A faulty or disconnected Temperature Sensor will show C Menu 1 Sc...

Страница 11: ...the MSRx is set as a 19 Rack Controller the following screen will be shown System Info Load V 26 5V Screen 5 Load Voltage is measured at the MSRx Battery Connections If the MSRx is set as a Version 1...

Страница 12: ...s 1 Alarm Reset Voltage System Settings LC1 Set V 22 2V 7 Load Cut 1 Alarm Set Activation Voltage System Settings LC1 Rst V 24 0V 8 Load Cut 1 Alarm Reset Voltage System Settings LC2 Set V 21 6V 9 Loa...

Страница 13: ...e Test Mode Test RMx Relay 1 Press Select 7 Test Relay Module x Relay 1 Press Select to change the state of the Relay contacts and LED Test RMx Relay 2 Press Select 8 Test Relay Module x Relay 2 Press...

Страница 14: ...t Array 3 Sw Press hold SEL 2 Test Array 3 Solid State Switch Relay Contactor Test Array 4 Sw Press hold SEL 3 Test Array 4 Solid State Switch Relay Contactor Test Array 5 Sw Press hold SEL 4 Test Arr...

Страница 15: ...n circuit array voltage Show Array 5 V Press hold SEL 4 Show Array 5 open circuit array voltage Show Array 6 V Press hold SEL 5 Show Array 6 open circuit array voltage Show Array 7 V Press hold SEL 6...

Страница 16: ...w Array 5 current Show Array 6 I Press Select 5 Show Array 6 current Show Array 7 I Press Select 6 Show Array 7 current Show Array 8 I Press Select 7 Show Array 8 current Menu 6 Notes Pressing Select...

Страница 17: ...en Circuit Voltage and Closed Circuit Current Array 5 34 5V 15A 6 Array 5 Open Circuit Voltage and Closed Circuit Current Array 6 34 5V 15A 7 Array 6 Open Circuit Voltage and Closed Circuit Current Ar...

Страница 18: ...p 5 1 Entering the Change Settings Menus MSRx Standard Charge Controller On the MSRx PSU Load PCB Assembly insert the jumper link on LK1 in the Disable position or on the MSRx Interface PCB Assembly m...

Страница 19: ...UST navigate to the Accept screen and press the Select switch The unit will not remember any changes to settings unless they are accepted using this screen 5 1 3 Default Settings The user can reset so...

Страница 20: ...section Change Settings LC1 Set V 22 2V 7 Load Cut 1 Alarm Set Activation Voltage see section Change Settings LC1 Rst V 27 0V 8 Load Cut 1 Alarm Reset Voltage see section Change Settings LC2 Set V 21...

Страница 21: ...l Time 1 96 hours default 48 Number of hours each selected array input will be monitored Change Settings AY1 Fail Off 8 Array 1 Failure select Off or On Set to On to select the Array Failure monitorin...

Страница 22: ...ur period in which the Array Ahr is less than 90 of the Load Ahr i e the energy being put into the system is less than that taken out The controller makes a decision one hour after dusk as to whether...

Страница 23: ...h 2 Low 3 Hi Lo see notes on next page Change Settings Batt Hi Temp 50C 7 Battery High Temperature Alarm Temperature see notes on next page Change Settings Batt Lo Temp 00C 8 Battery Low Temperature A...

Страница 24: ...Battery Temperature Alarm Enabled Analog I p Mod 1 T Input Disable Menu L Screen 2 Analogue Input Module 1 Temperature Input Enable Disable BT1 only used for Battery Temperature Alarm Enable See Menu...

Страница 25: ...Alarm Array Failure Alarm Low Charge Alarm Low Charge Alarm Hi Volts 2 Alarm High Volts 2 Alarm active Lo Volts 2 Alarm Low Volts 2 Alarm active Batt Hi Temp Alm Battery High Temperature Alarm active...

Страница 26: ...6 Array Shunt 1 60mV value select Not used 60A 100A 120A 150A 200A 250A 300A 400A 500A Change Settings Ay Sh2 Not used 7 Array Shunt 2 60mV value select Not used 60A 100A 120A 150A 200A 250A 300A 400...

Страница 27: ...ime The time between successive array voltage measurement on the same array when connected to the battery The open circuit Array Voltage is measured by disconnecting the Array from the Battery The def...

Страница 28: ...Charge Array Ah Menu D Screen 12 or c the Charging Days is greater than the Initial Charge Days Menu D Screen 13 If the Initial Charge Mode On the following conditions will exist a If the Arrays are...

Страница 29: ...p screens High Volts 1 Alarm Delay 00s 7 High Volts 1 Alarm Delay default 0 seconds See Section 3 7 for operation Low Volts 1 Alarm Delay 05s 8 Low Volts 1 Alarm Delay default 5 seconds See Section 3...

Страница 30: ...eater than or equal to the High Temperature Parameter set using Menu E Screen 13 then Battery Charging will be disabled If the Battery Temperature is equal to or less than the Low Temperature Paramete...

Страница 31: ...ss Menu to ignore any changes made Change Settings 5 Gel OPzV SEL 5 Press Select to program Gel OPzV Battery Setting into memory Press Menu to ignore any changes made Load 1 Disable Output Inactive 6...

Страница 32: ...ntroller to measure an Auxiliary Voltage an Auxiliary Temperature and Solar Irradiation using a Solar Pyranometer 6 5 8 Channel Digital Input DIN Rail Module The 8 Channel Digital Input DIN Rail Modul...

Страница 33: ...ller User Operation Manual Page 33 of 46 Document 802440 30 doc Date December 2020 www micha co uk 6 8 Expansion Port Settings Menu MSRx Expansion Port Module Settings available to the user are descri...

Страница 34: ...3 Not Used 6 4 Channel Relay Output Module 2 Relay 3 Any Alarm Function may be assigned see Section 5 4 Rly Mod 2 Rly 4 Not Used 7 4 Channel Relay Output Module 2 Relay 4 Any Alarm Function may be as...

Страница 35: ...0mA 120A 5 4 20mA Output Module 2 Select Parameter Value for 20mA Output 4 20mA Mod 3 Output AI 6 4 20mA Output Module 3 Select Parameter to Output 4 20mA Mod 3 AI 4mA 0A 7 4 20mA Output Module 3 Sele...

Страница 36: ...Log Per 30 mins 4 Data Log Module Logging Period 15 30 60 minutes default 30 Data Log Module Clk Year 2006 5 Data Log Module Time Set Year Data Log Module Clk Month 08 6 Data Log Module Time Set Mont...

Страница 37: ...nalogue Input Module 1 Voltage Input Enable Disable Analog I p Mod 1 T Input Disable 2 Analogue Input Module 1 Temperature Input Enable Disable Analog I p Mod 1 S Input Disable 3 Analogue Input Module...

Страница 38: ...nel Digital Input Module 1 Input 4 An Alarm may be assigned to this Input see list on next page DigInMod1 I p 4 Active Closed 7 8 Channel Digital Input Module 1 Input 4 Active Closed Active Open Activ...

Страница 39: ...ommon Alarm CP Common Alarm Digital Input Alarm Active Closed Active Open Common Alarm DigInModx I p x Active Closed Active Closed The Alarm is active when the Volt Free Digital Input is Closed DigInM...

Страница 40: ...1 Alarm Alarm Set Voltage Adjust Low Load Volt 1 Alarm Rst 22 0V 6 Low Load Voltage 1 Alarm Alarm Reset Voltage Adjust Low Load Volt 1 Alarm Delay 05s 7 Low Load Voltage 1 Alarm Alarm Delay Time Adju...

Страница 41: ...larm To enable the High Load Voltage 2 Alarm Load Voltage selection on Menu B Screen 3 must include Load Voltage 2 and High Load Voltage 1 Alarm Menu N Screen 8 must be set to Enable Alarm Operation I...

Страница 42: ...onds 60 seconds 60 seconds Equalisation Time N A 30 minutes 30 minutes 30 minutes Temp Compensation Null Temp N A 20 C 20 C 20 C Temp Compensation Rate N A 30mV C 60mV C 120mV C 7 2 MSRx Charge Contro...

Страница 43: ...s 10 seconds Equalisation Time N A 30 minutes 30 minutes 30 minutes Temp Compensation Null Temp N A 25 C 25 C 25 C Temp Compensation Rate N A 20mV C 40mV C 79mV C 7 4 MSRx Charge Controller Set points...

Страница 44: ...larm Reset Voltage 2 15 V 12 90 0 12V 25 80 0 24V 51 60 0 48V Low Volts 1 Alarm Trip Voltage 1 90 V 11 40 0 12V 22 80 0 24V 45 60 0 48V Low Volts 1 Alarm Reset Voltage 2 25 V 13 50 0 12V 27 00 0 24V 5...

Страница 45: ...BT1 BT2 BT1 BT2 see 5 4 801 313 Ver 5 2 25 Apr 2019 Remote Disable used for VFC Input Menu D Screen 0 1 2 used for Disable Function Disable Function Load Cut Delay Reset features added See Section 5...

Страница 46: ...tery Voltage Regulation Algorithm Section 3 4 25 May 2018 MF H Software 801313 Version 5 1 Battery Temperature Alarm now responds to BT1 BT2 BT1 BT2 18 April 2019 MF I Software 801313 Version 5 2 Disa...

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