ONOFFSYSTEM Co., Ltd.
Heat and Smoke detector NEOS-HSD200 User Manual
Index
Index ................................................................................................................................................................................................... 3
Precautions ............................................................................................................................................................................. 5
Product Overview ................................................................................................................................................................. 6
2.1.
Product Features ............................................................................................................................................................6
2.2.
Name for Each Part .......................................................................................................................................................7
2.3.
Product Specification ....................................................................................................................................................8
2.4.
Signal Wiring ..................................................................................................................................................................9
2.5.
Dimensions ................................................................................................................................................................... 13
Components .......................................................................................................................................................................... 15
How to Operate .................................................................................................................................................................. 16
4.1.
Opearation Switch ...................................................................................................................................................... 16
4.2.
Screen Layout .............................................................................................................................................................. 16
4.3.
How to Operate the Main Screen ........................................................................................................................... 19
4.4.
Operation Details of The Setting Screen ............................................................................................................... 19
Communication Specifications ........................................................................................................................................ 24
5.1.
ONOFF Protocol ..................................................................................................................................................................................... 24
5.1.1.
Communication Method ....................................................................................................................................... 24
5.1.2.
Communication Frame ........................................................................................................................................... 24
5.1.3.
Data Request ........................................................................................................................................................... 24
5.1.4.
Alarm Reset .............................................................................................................................................................. 26
5.1.5.
Temperature Warning, Alarm Threshold Setting .............................................................................................. 26
5.1.6.
Deviation Reference Value Setting ....................................................................................................................... 27
5.1.7.
Temperature Warning, Alarm Setting ................................................................................................................. 27
5.1.8.
Enabling Keep Temperature Alerts ...................................................................................................................... 28
5.1.9.
Enabling Keep Temperature Alarm ..................................................................................................................... 29
5.1.10.
Error Response (Common) ........................................................................................................................................................... 29
5.2.
Modbus Protocol ................................................................................................................................................................................... 30
5.2.1.
Packet Structure .................................................................................................................................................... 30
5.2.2.
Function Code .................................................................................................................................................................................... 31
5.2.3.
Function 3 [03h] : Read Holding Register.............................................................................................................................. 31
5.2.4.
Function 6 [06h] : Write Single Register................................................................................................................................. 33
5.2.5.
Function 16 [10h] : Write Multiple Registers ........................................................................................................................ 34
5.2.6.
Sample of Modbus RTU Packet .................................................................................................................................................. 35
5.2.7.
CRC-16(Modbus)
Algorithm
.......................................................................................................................................................... 36
5.2.8.
Modbus Map Application.............................................................................................................................................................. 37
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