Temperature & Humidity Transmitter
AF5485 User Manual
Страница 1: ...Temperature Humidity Transmitter AF5485 User Manual...
Страница 2: ...AW3485A has the characteristics of small volume light weight wide range high precision fast response speed and good long term stability etc therefore it can be widely used in building automation HVAC...
Страница 3: ...ng time is too short Near sources of heat cold source or directly at the sun 2 The humidity error Placed in a test environment in settling time is too short Prohibited for a long time in the steam spr...
Страница 4: ...ure 3 Dimension Units mm 4 RS485 typical applications The external communication specification is shown in table 1 Table 1 Wiring interface specification No Pin Mark Wiring Color Function Description...
Страница 5: ...ion method dial the code A H respectively corresponding to the number 128 64 32 16 8 4 2 1 figure 6 Put A H address code dialing to NO part code corresponding to the value add up and is the address co...
Страница 6: ...erved 0x000 4 Temperature upper limit alarm value 0x000 C Reserved 0x001 4 Reserved 0x001 C Reserved 0x000 5 Enabled temperature upper limit alarm 0x000 D Reserved 0x001 5 Temperature correction updat...
Страница 7: ...limited to the boundary value if they exceed the range 4 The host should send the actual value magnified 10 times to change decimal into integer 6 3 Error code display 0x81 illegal function code not...
Страница 8: ...ormat and calculation The temperature and humidity resolution are 16 bit The temperature and humidity are printed in the actual positive or negative format and the numerical value is 10 times the actu...
Страница 9: ...ibed above the high and low bytes of the resulting 16 bit CRC register are exchanged 8 The final result of the CRC register is CRC Code C language calculation code of CRC Code Note This procedure calc...
Страница 10: ...omply with the recommendations may result in death and serious bodily harm The company will not be liable for all damages resulting in personal injury or death and avoid the company managers and emplo...
Страница 11: ...g com v1 0 20170726 technical conditions of the product are met The company applies its products to those special applications without any warranties or statements as well as any commitment to the rel...
