Planar WeatherBright LC3251 Product Manual page 23

Port Settings
Baud Rate: 19200
Data bits: 8
Parity: None
Stop bits: 1
Command Format
All commands fit the following structure, where parameters in brackets [] are optional:
Command_Type Command_Text [Function] [Value]
No other parameters, such are addresses or targets, are supported.
Command_Type may be 'OP' or 'ST' (case insensitive) for Operations and String commands
respectively.
Command_Text is the ASCII string that identifies the command (listed in command table).
Function is one of the following symbols:
Symbol Function
= Set
? Get
+ Increment
– Decrement
[none] Execute
Value is only applicable for 'Set' commands and must be within the range listed in the command table
for a particular command.
Response format
If the command is for the Junction Board, the response is in text format. Returned values, if applicable,
are generally in decimal format, with the exception of fault codes, which are in hexadecimal format.
Sample commands and responses
Command: op temp.setpoint?
Response: Over temp limit 1: 70 deg C
Over temp limit 2: 80 deg C
Command: op temp.setpoint.limit1=65
Response: Over temp limit 1 set to: 65 deg C
Command: st product?
Response: Display ID: 00
action on unit
makes the unit take that value
asks what the value is
adds 1 to the current value
subtracts 1 from the current value
performs an action, such as a reset
LC3251 / LC4751 Product Manual 23