Related Manuals for aerl Coolmax SR
Summary of Contents for aerl Coolmax SR
- Page 1 COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 COOLMAX SR MAXIMIZER WALLMOUNT Communications User Manual Models SRMVW SRHVW...
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Page 2: Table Of Contents
APPENDIX A– MODBUS Communications ProtocolError! Bookmark not defined. Overview ......................... 5 Modbus Memory Map (Discrete Inputs) ................7 APPENDIX B – CAN Communications Protocol ... Error! Bookmark not defined. Overview ........................19 COOLMAX SR Broadcast Messages ................20 COOLMAX SR Command Messages................21 1 of 21... - Page 3 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 disassemble or attempt to repair the COOLMAX SR unit unless you are a qualified technician and have authority in writing from AERL to do so. ...
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Page 4: Product Warranty
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. -
Page 5: Wiring
Remove the access cover at the bottom of the COOLMAX SR to install cabling. This is done by removing the two M3 countersunk hex screws on the bottom of the enclosure at the front as shown below in Figure 1. -
Page 6: Modbus Communications
The Modbus address is a single byte field, valid address ranges from 1 to 128. MODBUS NETWORK TOPOLOGY Multiple COOLMAX SR units can exist on the same Modbus and this can be connected to other networks using a Modbus-Ethernet Bridge adaptor. -
Page 7: Modbus Wiring
COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 Figure 3 – Modbus Connector (6-Way Screw Terminal) MODBUS WIRING The Modbus data lines (Modbus-A and Modbus-B) must be implemented with twisted-pair wire for proper data integrity. -
Page 8: Shielding
COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 SHIELDING Important Correct shielding practice is important for error free communications. Incorrect shielding can cause more interference than unshielded cables would experience. Shields should be linked between each wire segment along the network but only grounded in one place. - Page 9 COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 0 Event ACTIVE EVENTS Cleared 10006 0 or 1 Read−Write High Out Current Fault 1 Event Triggered 0 Event ACTIVE EVENTS...
- Page 10 COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 1 Event Triggered 0 Event ACTIVE EVENTS Cleared 10019 0 or 1 Read−Write Log File Full 1 Event Triggered 0 Event...
- Page 11 COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 0 CRC STATUS – Invalid 10037 Configuration 0 or 1 Read−Only 1 CRC Event Config CRC Valid 0 Check STATUS –...
- Page 12 COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 STATUS – Flags 10056 0 or 1 Read−Only Reserved (Not Used) STATUS – Telemetry 10057 0 or 1 Read−Only Reserved (Not Used) STATUS – Telemetry...
- Page 13 COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 (Not Used) STATUS – Flash 10079 0 or 1 Read−Only Reserved (Not Used) STATUS – Flash 10080 0 or 1 Read−Only Reserved (Not Used) 0 ...
- Page 14 COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 STATUS – Safety 10094 0 or 1 Read−Only Reserved (Not Used) STATUS – Safety 10095 0 or 1 Read−Only Reserved (Not Used) STATUS – Safety...
- Page 15 COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 High) Out Current (Byte 4 − Low) OC Voltage (Byte 1 − LIVE TELEMETRY 30017 16−Bits 0 to 65535 Read−Only High) PV Open−Circuit OC Voltage (Byte 2 −...
- Page 16 COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 High) Hardware Ver. (Byte 6 − Low) Hardware Ver. (Byte 7 − High) 30044 16−Bits 0 to 65535 Read−Only Hardware Ver. (Byte 8 −...
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Page 17: Can Communications
CAN COMMUNICATIONS CAN NETWORK TOPOLOGY Multiple COOLMAX SR units can exist on the same CAN bus and this can be connected to other networks using a CAN-Ethernet Bridge adaptor. The CAN bus is structured as a linear network, with short stubs branching from 'T' connectors on the main bus backbone to each device. -
Page 18: Can Wiring
COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 Figure 7 - CAN Connector (6-Way Screw Terminal) CAN WIRING The CAN data lines (CAN-H and CAN-L) must be implemented with twisted-pair wire for proper data integrity. -
Page 19: Shielding
COMMS MANUAL aerl COOLMAX SR Australian Energy Research Laboratories, Pty.Ltd AER07.004 – Version G2 v9 January 2016 Signal PIN Assignment Assignment Type Functional Description Isolated J1-1 Analogue input Temperature compensation thermistor J1-2 TMPCMP J1-3 Pull these lines together to disable... -
Page 20: Overview
Figure 2 - CAN Data Frame Identifier 3.7.3 The identifier field has been split into two sections for the COOLMAX SR. Bits 10-5 contain the device identifier and bits 4-0 contains the message identifier associated with that device, as shown below. -
Page 21: Coolmax Sr Broadcast Messages
AER07.004 – Version G2 v9 January 2016 COOLMAX SR BROADCAST MESSAGES Data frames containing telemetry values are periodically broadcast onto the bus by the COOLMAX Identification Information 3.8.1 COOLMAX SR Base Address + 0 Variable Bits Type Description Serial Number 63…32... -
Page 22: Coolmax Sr Command Messages
Units Description Unused 63…32 Unit32 Reset command string 31…0 Uint32 Send 'ALL' or 'RCO' as a string (“00000ALL”) ALL – full reset COOLMAX SR replies with Y or N in byte 0 RCO – remote config reset 21 of 21...
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