H-4271 – Xylem H-4271 User Manual
Page 15
2.7.2 Sleep&Sniff Master
+++
activate AT mode
ATRE
restore defaults
ATBD
3
9600 baud
ATNB
0
no parity
ATPL
4
1-watt
ATCD
0
GPO2 = RxDat LED
ATCS
1
assert RTS while receiving data
ATSM
2
serial port sleep
ATDT
DCAB
set the networking address
ATRO
10
packetization timeout, 16 x 1/9600 x 10 = 16.6 ms
[1/1200 x 10 = 8.3ms]
assures data will arrive in contiguous packets
ATST
64
time before sleep (inactivity timer) 100 x .1= 10 seconds
ATHT
50
time to beacon = 80 x .1 = 8.0 seconds
ATLH
64
wakeup initializer (beacon) transmit time, 100 x 0.1 = 10.0 seconds
ATWR
write setttings
ATCN
cancel AT mode
2.7.3 Sleep&Sniff Slave
+++
activate AT mode
ATRE
restore defaults
ATBD
3
9600 baud
ATNB
0
no parity
ATPL
4
1-watt
ATCD
0
GPO2 = RxDat LED
ATCS
1
assert RTS while receiving data
ATSM
6
cyclic, 4.0 second sleep
ATDT
DCAB
set the networking address
ATRO
10
packetization timeout, 16 x 1/9600 x 10 = 16.6 ms
[1/1200 x 10 = 8.3ms]
assures data will arrive in contiguous packets
ATST
64
time before sleep (inactivity timer) 100 x .1= 10 seconds
ATWR
write setttings
ATCN
cancel AT mode
H-4271
Installation And Maintenance 2-5