SOFtWARE
GB
30
Parker Hannifin icountPDR
Communication protocol
The commands used with the icountPDR are either made up of Set, Read or Start/Stop commands.
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Set commands allow the value or values of parameters to be changed
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Read commands allow the value or values of parameters to be read
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Start/Stop commands allow the user to start and stop tests.
Example:
[SDF dd/mm/yy] sets the date format
[RDF] reads the product format date
All commands are sent in ASCII characters, and the protocol accepts both upper and lower case
characters. For example, all of the following codes are equivalent:
SDF = Sdf = SDf = sdF = sdf
NOTE: The use of a ‘=’ after a command, for example [SDF = dd/mm/yy], is optional.
Certain commands are for expert use only and can be accessed via a password system. Should an
unauthorized person attempt to access these commands the icountPDR returns the error code for
‘Invalid Command’.
A list of error codes is given on page 34.
Most-used commands
Common User Read commands
Command
Description
icountPDR response
RDU
Read calibration dust
Calibration dust displayed (i.e. MTD
or ACFTD)
RLT
Read NAS or ISO limits
Limits displayed
RRS
Read reporting standard
ISO or NAS displayed
Common User Set commands
Command
Description
User response
SLT
Set limits
i.e. ‘SLT 19 18 15’
SLT ## ## ## (for ISO)
SLT ## (for NAS)
SRS
Set reporting standard
SRS iso
SRS nas
SRI
Set reporting interval
0 to 3600 seconds
0 = No reporting
SRI ####
NOTE: The reporting interval (SRI) controls how often the icountPDR sends results over
the RS232.
User Start/Stop commands
Command
Description
Response
STR or START
Start testing
‘OK’ displayed
STP or STOP
Stop testing
‘OK’ displayed
