Operation
Mini-Convectron Module with RS-485
35
Instruction Manual - 275545
Saf
e
ty Ins
tructions
Introduction
Installatio
n
O
p
e
ra
tion
M
a
inten
ance
Calibration
SPN
Set parity to 8 bits, none
Example:
From host:
#01SPN CR
From Mini-Convectron:
*01_PROGM_OK CR
Note:
Will continue to operate at old format until power is cycled, or RST
command is sent.
SPO
Set parity to 7 bits, odd
Example:
From host:
#01SPE CR
From Mini-Convectron:
*01_PROGM_OK CR
Note:
Same as SPN.
SPE
Set parity to 7 bits, even
Example:
From host:
#01SPE CR
From Mini-Convectron:
*01_PROGM_OK CR
Note:
Same as SPN.
SF
Set frequency
Example:
From host:
#01SF10 CR
From Mini-Convectron:
*01_PROGM_OK CR
Notes:
This is the frequency in Hz that the A/D samples the transducer voltage. This
can be programmed to reject line frequency noise or noise caused by
mechanical vibration. The allowable sample frequency range is 2 to 120
Hz.
The pressure update rate is dependent on sample frequency:
Pressure update = sample frequency/6.
For a sample frequency of 10 Hz, an RD can be performed at any speed but
the pressure readout will change only once every 600 MS.
The TZ and TS calibration may need to be changed if this function is used.
RST
Reset module
Example:
From host:
#01RST CR
Notes:
The RST command will reset the module as if the power had been cycled.
RST has no response. Communication is re-enabled in 2 seconds.
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