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7.16: To Connect with the Modbus Client ................................................................................................................................................................... 53
7.17: To Configure the Modbus Settings ..................................................................................................................................................................... 54
7.18: To Configure the Modbus Client .......................................................................................................................................................................... 57
7.19: Modbus Command Support .................................................................................................................................................................................. 57
Exception Responses........................................................................................................................................................................................... 57
Modbus Addressing.............................................................................................................................................................................................. 57
7.20: CLSS Gateway Control Features .......................................................................................................................................................................... 57
7.20.1: Supported Commands ................................................................................................................................................................................ 57
7.20.2: Enabling Control............................................................................................................................................................................................ 58
7.20.3: Sending Commands..................................................................................................................................................................................... 58
7.21: Analog Values and Trending .................................................................................................................................................................................. 59
Analog Value Use Cases ..................................................................................................................................................................................... 60
7.22: Register Mapping........................................................................................................................................................................................................ 61
7.22.1: Register Mapping Overview ...................................................................................................................................................................... 61
7.22.2: Point Status Holding Registers ............................................................................................................................................................... 61
7.22.3: Point Device Type Input Registers ......................................................................................................................................................... 63
7.22.4: Zones/Panel Circuits Status Holding Registers............................................................................................................................... 64
7.22.5: Bell Circuits Status Holding Registers.................................................................................................................................................. 65
7.22.6: Bell Circuits Device Type Input Registers ........................................................................................................................................... 66
7.22.7: Panel Status Holding Register................................................................................................................................................................. 67
7.23: Analog Values Input Registers .............................................................................................................................................................................. 67
7.23.1: Panel and System Troubles Holding Registers ................................................................................................................................ 67
7.23.2: Gateway Information Input Registers................................................................................................................................................... 68
7.23.3: Node Status Details ...................................................................................................................................................................................... 68
7.24: Read Device Identification (0x2B/0x0E)........................................................................................................................................................ 68
7.25: Troubleshooting .......................................................................................................................................................................................................... 69
7.25.1: What are some basic guidelines when installing a CLSS Gateway? ....................................................................................... 69
7.25.2: How fast can the Modbus client poll the gateway?........................................................................................................................ 69
7.25.3: How can I tell if the gateway is running?............................................................................................................................................. 69
7.25.4: How do I recover a lost password from the gateway?.................................................................................................................... 69
7.25.5: What is an "initialization read" for analog values? .......................................................................................................................... 69
7.25.6: How many analog values can I read at a time? ................................................................................................................................ 69
7.25.7: Why do I get an exception code when trying to read an analog value?................................................................................. 69
7.25.8: Why do I get all zeros when I read an analog value? ...................................................................................................................... 70
7.27: Conversion to Modbus RTU ................................................................................................................................................................................... 70
7.27.1: Hardware Configuration............................................................................................................................................................................. 70
7.27.2: Software Configuration............................................................................................................................................................................... 71
7.27.3: Connecting the Moxa MGate MB3180 Interface .......................................................................................................................... 72
7.28: System Trouble............................................................................................................................................................................................................. 73
7.29: Exception Responses ................................................................................................................................................................................................ 73
7.30: CLSS Gateway Active Event Code ....................................................................................................................................................................... 74
7.31: Device Types.................................................................................................................................................................................................................. 75
7.32: System Troubles Register Map.............................................................................................................................................................................. 77
Section 8: The BACnet Feature........................................................................................................................................................................89
8.1: Agency Listings............................................................................................................................................................................................................... 90
8.1.1: Compliance.......................................................................................................................................................................................................... 90
National Fire Protection Association ............................................................................................................................................................ 90
Underwriters Laboratories................................................................................................................................................................................. 90
Underwriters Laboratories Canada ............................................................................................................................................................... 90
8.2: Installation ........................................................................................................................................................................................................................ 90
Local............................................................................................................................................................................................................................ 90
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Troubleshooting
