background image

aerl 

COMMS MANUAL 

 

COOLMAX SR 

Australian Energy Research Laboratories, Pty.Ltd 

AER07.004 – Version G2 v9 

13

th

 January 2016 

 

 

 

3 of 21 

1

 

PRODUCT WARRANTY 

1. 

AERL  warrants  that  the  Product  will  be  free  from  manufacturing  defects  for  a  period  of  24 
months from the date of dispatch of the products by AERL to the customer. 

2. 

The  Products  technical  specifications  are  contained  within  the  Product  Datasheet.  The 
Product will conform to the technical specifications contained in the Product Datasheet at the 
time of dispatch of the Products to the Customer. If the technical specifications as contained 
in  the  Product  Datasheet  are  not  met, AERL  will  repair,  replace  the  Product,  or  refund  the 
amount  paid  by  the  Customer  in  relation  to  the  Product  at  the  Customers  option. AERL  is 
under  no  obligation  to  provide  assistance  or  advice  to  the  Customer  in  relation  to  the 
technical specifications. 

3. 

The  Products  must  be  installed  in  strict  accordance  with  the  Installation  Recommendations 
listed in this Manual. 

4. 

In no event will AERL be liable for: 

a) 

any loss or damage which the Customer suffers arising from, or caused or contributed to by, 
the Customer's negligence or the negligence of the Customer's agents or servants; and 

b) 

special, indirect or consequential loss or damage as a result of a breach by the Customer of 
these Standard Terms including, without limitation, loss of profits or revenue, personal injury, 
death,  property  damage  and  the  costs  of  any  substitute  Products  which  the  Customer 
obtains. 

5. 

The  Product  is  not  covered  for  damage  occurring  due  to  water,  including  but  not  limited  to 
condensation, moisture damage and other forms of precipitation. 

6. 

The  Product  is  not  covered  for  damage  occurring  due  to  the  Product  being  incorrectly 
installed  or  installed  in  a  manner  not  in  accordance  with  the  Installation  Recommendations 
listed in the Product Manual. 

7. 

The Product is not covered for damage occurring due to failure on the part of the customer to 
operate  the  product  in  accordance  with  the  technical  specifications  as  listed  in  the  Product 
Datasheet. 

8. 

The Product is not covered for damage occurring due to lightning. 

9. 

The Product is not covered for situations where it is used in a manner not specifically outlined 
in the Product Manual. 

10.     If any provision in this document is invalid or unenforceable this document will remain otherwise 

in full force apart from such provision, which will be deemed deleted

 

 

Disclaimer: 

 

Australian Energy Research Laboratories Pty Ltd, its affiliates, agents, and employees, and all persons acting on its 
or their behalf (collectively, “AERL”):  
a) Disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any 
other disclosure relating to any product  
b) Assumes no responsibility or liability for loss or damage whether direct, indirect, consequential or inci-dental, 
which might arise out of use of such information. The use of any such information will be entirely at the user's risk.  
c) Reserves the right to change any AERL product, product specifications and data without notice to im-prove 
reliability, function or design or otherwise. 
 

Notice of Copyright 

 

AERL COOMAX SR MPPT Solar Charge Controller User Manual Copyright 

2016 all rights reserved. AERL 

reserves the right to revise this document and to periodically make changes to the content.

 

 

 

 

   

 

Summary of Contents for COOLMAX SR

Page 1: ...aerl COMMS MANUAL COOLMAX SR Australian Energy Research Laboratories Pty Ltd AER07 004 Version G2 v9 13 th January 2016 COOLMAX SR MAXIMIZER WALLMOUNT Communications User Manual Models SRMVW SRHVW...

Page 2: ...dbus Wiring 6 3 4 Shielding 7 3 5 Modbus Termination 7 3 6 Modbus Memory Map Discrete Inputs 7 4 Can Communications 16 4 1 CAN Network Topology 16 4 2 CAN Wiring 17 4 3 Shielding 18 4 4 CAN Terminatio...

Page 3: ...ead before begin ning installation Only qualified electricians and technicians should install the COOLMAX SR System This manual is intended for all Installation technicians and the system owner Do not...

Page 4: ...ng but not limited to condensation moisture damage and other forms of precipitation 6 The Product is not covered for damage occurring due to the Product being incorrectly installed or installed in a m...

Page 5: ...Removal of the Access Panel Important All COOLMAX SR wiring must enter the unit via a 40mm conduit fitting at the bottom of the unit Drilling holes into the unit to make any other cable entry point w...

Page 6: ...OPOLOGY Multiple COOLMAX SR units can exist on the same Modbus and this can be connected to other networks using a Modbus Ethernet Bridge adaptor The Modbus is structured as a linear network with shor...

Page 7: ...e ideally with another twisted pair to minimise noise pickup An overall shield can also be advantageous Standard CAT5 network cabling which has an impedance of 100 can be used but may become unreliabl...

Page 8: ...rminal block style termination can be made on the other end of the network However if a Modbus Ethernet Bridge adapter is present on the network it can be used to terminate the network by wiring a ter...

Page 9: ...ature Sensor Fault Bit 0 or 1 Read Write 0 Event Cleared 1 Event Triggered 11 10012 ACTIVE EVENTS Negative PV Current Shutdown Bit 0 or 1 Read Write 0 Event Cleared 1 Event Triggered Memory Offset Inp...

Page 10: ...ACTIVE EVENTS Not Used Bit 0 or 1 Read Write Reserved 26 10027 ACTIVE EVENTS Not Used Bit 0 or 1 Read Write Reserved 27 10028 ACTIVE EVENTS Not Used Bit 0 or 1 Read Write Reserved Memory Offset Input...

Page 11: ...cs Not Used Bit 0 or 1 Read Only Reserved 43 10044 STATUS Statistics Not Used Bit 0 or 1 Read Only Reserved 44 10045 STATUS Statistics Not Used Bit 0 or 1 Read Only Reserved Memory Offset Input Addres...

Page 12: ...0 or 1 Read Only Reserved 65 10066 STATUS Communications Not Used Bit 0 or 1 Read Only Reserved 66 10067 STATUS Communications Not Used Bit 0 or 1 Read Only Reserved 67 10068 STATUS Communications Not...

Page 13: ...ontrol Mode Bit 0 or 1 Read Only 0 MPPT 1 Output Voltage 2 Input Voltage 3 Not Used 83 10084 84 10085 STATUS Control Not Used Bit 0 or 1 Read Only Reserved Memory Offset Input Address Description Inpu...

Page 14: ...t ID Byte 5 High Product ID Byte 6 Low 3 30004 16 Bits 0 to 65535 Read Only Product ID Byte 7 High Product ID Byte 8 Low 4 30005 LIVE TELEMETRY Serial Number 8 Characters 16 Bits 0 to 65535 Read Only...

Page 15: ...High Out Current Byte 4 Low 24 30025 LIVE TELEMETRY Active Events Uint32 16 Bits 0 to 65535 Read Only Active Events Byte 1 High Active Events Byte 2 Low 25 30026 16 Bits 0 to 65535 Read Only Active Ev...

Page 16: ...Low 50 30051 SYSTEM INFO Product ID 8 Characters 16 Bits 0 to 65535 Read Only Product ID Byte 1 High Product ID Byte 2 Low 51 30052 16 Bits 0 to 65535 Read Only Product ID Byte 3 High Product ID Byte...

Page 17: ...ed as a linear network with short stubs branching from T connectors on the main bus backbone to each device The CAN bus data lines must be terminated at each end of the main bus with 120 resistors bet...

Page 18: ...AWG data 22 AWG power twisted pairs and a braided shield Using this cable will result in a robust installation Standard CAT5 network cabling which has an impedance of 100 can be used but may become u...

Page 19: ...CAN GND J3 3 SHIELD YES J3 4 CAN H Digital IO CAN signals J3 5 CAN L J3 6 NC Table 1 Signal PIN Assignment 4 3 SHIELDING Correct shielding practice is important for error free communications Incorrect...

Page 20: ...EE single precision 32 bit format IEEE 754 with most significant byte MSB sent first Bit Length 1 11 6 8 Bytes 16 2 7 Start Identifier Control Data Field CRC Ack End Figure 2 CAN Data Frame 3 7 3 Iden...

Page 21: ...surement ID COOLMAX SR Base Address 1 Variable Bits Type Description PV Current 63 32 float PV Current PV Voltage 31 0 float PV Voltage 3 8 3 Output Voltage Current Measurement ID COOLMAX SR Base Addr...

Page 22: ...Boolean High battery temp fault Bat current 5 Boolean High battery discharge current fault Iout fault 4 Boolean High output current fault Vout high fault 3 Boolean High output voltage fault Not used 2...

Reviews: