Campbell CS125, Instruction Manual

Page: 45 / 76

User Guide
35
The POLL request
POLL transmitted data
Example Description
0x02
(1)
STX, ^B
(2)
POLL POLL
: Delimiting character
0 Address based on Sensor ID
: Delimiting character
0 Reserved for future use, zero default
: Delimiting character
XXXX Checksum
(3)
: Delimiting character
0x03
(1)
ETX, ^C
(2)
0x0D
(1)
Carriage return
0x0A Line feed
(1) These values are shown in hexadecimal format not ASCII.
(2) As entered on a keypad.
(3) Not case sensitive.
Example of a POLL request
The maximum response time to a poll command is 100 ms.
If the setting to check the checksum on received commands is enabled the
checksum varies with the Sensor ID value.
15. Entering the CS125 menu system
The user can enter the menu system by typing ‘open
id
’ into their terminal
program then pressing the return key on their keyboard. The
id
corresponds to the
sensor ID number. The Sensor ID number can be in the range of 0 to 9. The
factory default is 0.
The ‘open 0’ command is not normally echoed.
The terminal menu only gives access to more common settings.
NOTE
NOTE
POLL:0:0:XXXX: