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Shenzhen Hongsheng High tech Electronics Co., Ltd
Digital photoelectric smoke sensor module RS485 detector
NegotiableUpdate on 05/10
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Overview
Digital photoelectric smoke sensor module RS485 detector ultra-thin structure, low-power design. Equipped with a CPU and central processing unit, it automatically detects fire alarms and has strong moisture resistance, making it suitable for use in places with significant interference
Product Details
Digital photoelectric smoke sensor module RS485 detector
1、 Electrical parameters
1Operating voltage:3.0V ~ 5.0V
2Detection range:0.1 ~ 0.8dB/m
3Equipped with automatic temperature compensation, temperature working range:-40 degree~ 80degree
4Sensor type: photoelectric smoke detector (smoke detector)
5Adjustable alarm sensitivity:0.1 ~ 0.8dB/m(Factory default)0.4dB/m）
6Output interface:UART（TXTheRX）Alarm output status:STATUS7
Communication method:UARTcommunication
8Communication baud rate:9600bps
9Standby current:< 1mA@3V
10Alarm current:< 5mA@3V
11. Peak connection parameters: upper temperature zone (smoke maze)
PCBAMeet the temperature inside the furnace130° is10Minutes, lower temperature zone
: Needle passing through wave soldering tin water meets the requirements265°/6S.
Digital photoelectric smoke sensor module RS485 detector
1．Level output description:STATUS---Normally low level, high level during alarm.
2．3、 Communication protocol format:
3．1Communication format:
4．Baud rate9600
5．Data bit:8 bit
6．Checkpoint: None
7．Stop position:1 bit
8．2Computer serial port setting smoke sensitivity format (character sending method, total)17 Bytes):
9．Instructions:AT0.2dB/m-0.2
10． Line Break Enter（
11． \\r\\n）-------------------------------2byte
12． Set content（AT0.2dB/m-0.2）--------------------13byte
13． Description of setting content:
14． 1：0.2dB/m--Indicates the sensitivity setting, with a range of（0.1 ~ 0.8）
15． 2The last one0.2 For verification purposes, it must be consistent with the previous one0.2 Maintain consistent data.
16． Line Break Enter（
17． \\r\\n）-------------------------------2byte
18． 3After receiving the setting instruction, the product will reply with a character sending method16 Bytes):
19． Instructions:lv_smoke:0.2
20． Line Break Enter（
21． \\r\\n）-------------------------------2byte
22． Set content（lv_smoke:0.2）----------------------12byte
23． Description of setting content:
24． 1：0.2dB/m--Indicates that the feedback is sensitive and has been successfully set
25． Line Break Enter（
26． \\r\\n）-------------------------------2byte
27． 4Remarks: If the product2 If no command is replied within seconds, the computer serial port needs to resend the command settings until a reply is received.
28． 4、 Structural dimensions:
29． 1Diameter:@36mm
30． 2Height:20mm (Excluding output pins)
3Output needle specification: single row5pinpin header--2.54mm--tall8m
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