Owner's Manual

BROWAN COMMUNICATIONS INC. All rights reserved. 12
12. Configuration Downlink Command
12.1 Configuration Command
Port
204
12.1.2 Payload
Bytes
0
0~1
Field
Cmd
Config
Cmd
Command
1 byte
Bit [7:0]
0x00 – Set keepalive interval & detection interval.
Keepalive interval default value: 12
Unit: 5min => 12*5 mins = 60 mins
Value range: 1~216 (5min ~ 18hours)
*Note: 0 means no changes
Detection interval default value: 10 mins
value range: 1~216 (5min ~ 18hours)
*Note: 0 means no changes
*Note: Must be shorter than or equal to keepalive
interval
0x03 – Set buzzer alarm period (in seconds),
Enable/Disable CO2, and Enable/Disable proximity sensor
Buzzer alarm period default value: 3 s
*Note: only for over CO2 threshold
CO2 Sensor default: Enable
Proximity Sensor default: Disable
0x04 - Set CO2 threshold
CO2 threshold default value :1000 ppm
value range: 400~65535
0x05 - Set CO2 calibration value.
default value :400 ppm
value range: 400~2000
Config
Configuration 0~11 bytes
See the table as follows:
Cmd
Command Description
Config Length
0x00
Get Sensor Configuration
(Only for unconfirmed downlink)
*Note: little-endian format.
0 bytes
0x00
Set keepalive interval & detection Interval.
(Unit: 5min)
[0~7] Keepalive interval value
2 bytes