User Manual

BROWAN COMMUNICATIONS All rights reserved 13
12. Configuration Downlink Command
Note: Only For PIR Parameters Settings
Port
102
Payload Length
5 bytes
*Note: Configuration Down-link Command should consider the duty cycle.
12.1 Payload
Bytes
0
1
2
3
4
Field
Cmd
Config
Cmd
Command
Bit [7:0]
0x01 – Set configuration, other values – RFU
Config
PIR Sensor Configuration
Bits [4:0]
Bit [5]
Bits [8:6]
Bits [10:9]
Bits [12:11]
Bits [16:13]
Bits [24:17]
Bits [31:25]
RFU
0 – use band-pass filter, 1 – use low-pass filter.
Default: 0 (use BPF)
RFU
unsigned value ω, range 0-3;
window time in sec = (ω + 1) × 4.
Default: 0 (4 sec)
unsigned value ρ, range 0-3;
pulse counter threshold = ρ + 1.
Default: 0 (1 pulse)
unsigned value β, range 0 – 15;
blind time in sec = (β + 1) × 0.5.
Default: 15 (8 sec)
detection threshold, range 0 – 255.
Default: 16
RFU