
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