SENS MicroGenius S2/S4 Technical Manual
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TABLE OF CONTENTS
1 IMPORTANT SAFETY INSTRUCTIONS FOR INSTALLER AND OPERATOR ................................................................................ 3
2 MODEL NUMBER BREAKOUT ................................................................................................................................................. 5
3 PERFORMANCE SPECIFICATIONS ........................................................................................................................................... 6
4 SYSTEM OVERVIEW .............................................................................................................................................................. 10
5 MOUNTING INSTRUCTIONS ................................................................................................................................................. 13
5.1. Mounting Location ..................................................................................................................................................... 13
5.2. Mounting Instructions ................................................................................................................................................ 13
6 SETUP AND WIRING ............................................................................................................................................................. 14
6.1. Wire Ratings and Sizes ............................................................................................................................................... 14
6.2. Grounding Instructions and Connection .................................................................................................................... 15
6.3. DC Connection ............................................................................................................................................................ 15
6.4. AC Connection ............................................................................................................................................................ 17
6.5. Alarm Connections ..................................................................................................................................................... 17
6.6. Remote Temperature Sensor Connection—Optional ................................................................................................ 19
6.7. SAE J1939 Communications Setup (CANbus) ............................................................................................................. 20
6.8. Modbus Communications Setup ................................................................................................................................ 21
6.9. Load Share Connection—Optional ............................................................................................................................. 22
6.10. Remote Alarm/Communications Panel Accessory Connection—Optional ................................................................ 23
6.11. Verify Connections ..................................................................................................................................................... 23
7 START-UP PROCEDURE......................................................................................................................................................... 23
7.1. Connect Battery/Outputs ........................................................................................................................................... 23
7.2. Verify Configuration ................................................................................................................................................... 23
7.3. Apply AC Input Voltage .............................................................................................................................................. 24
7.4. Power Off ................................................................................................................................................................... 24
8 ALARMS, LEDS AND DISPLAY ............................................................................................................................................... 24
8.1. LED Indicators............................................................................................................................................................. 24
8.2. Individual Alarm Relay Contacts ................................................................................................................................. 25
8.3. LCD Panel ................................................................................................................................................................... 26
8.4. Alarm Definitions ....................................................................................................................................................... 26
9 OPERATION .......................................................................................................................................................................... 32
9.1. Charging Algorithms ................................................................................................................................................... 32
9.2. Float Mode ................................................................................................................................................................. 33
9.3. Dynamic Boost™ Mode .............................................................................................................................................. 33
9.4. HELIX Mode ................................................................................................................................................................ 34
9.5. Ultracapacitor Mode .................................................................................................................................................. 34
9.6. Charging Low or Zero-volt Batteries ........................................................................................................................... 34
9.7. Commissioning Batteries ............................................................................................................................................ 35
9.8. Battery Check ............................................................................................................................................................. 35
9.9. Restore Factory Defaults ............................................................................................................................................ 35
9.10. Keypad Operation ...................................................................................................................................................... 36
9.11. Configuration with SENS Setup Utility ........................................................................................................................ 40
9.12. Temperature Compensation ...................................................................................................................................... 40
9.13. Load Share Charger Operation ................................................................................................................................... 41
9.14. Remote Alarm/Communications Panel Accessory ..................................................................................................... 42
10 J1939 COMMUNICATIONS ................................................................................................................................................... 42
10.1. J1939 Data Messages ................................................................................................................................................. 42
11 MODBUS COMMUNICATIONS ............................................................................................................................................. 43
11.1. TCP/IP Modbus ........................................................................................................................................................... 43
11.2. Modbus Holding Registers ......................................................................................................................................... 44
11.3. Status Definition ......................................................................................................................................................... 54
11.4. Alarm Bit Definition .................................................................................................................................................... 54
11.5. Extended Status Bit Definition ................................................................................................................................... 55
11.6. Writable Control Flags (Coils) ..................................................................................................................................... 56
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TROUBLESHOOTING/ERROR CODES .................................................................................................................................... 57
12.1. Configuration Error Codes .......................................................................................................................................... 57
12.2. Troubleshooting ......................................................................................................................................................... 59
13 GLOSSARY ............................................................................................................................................................................. 63
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