APPENDIX A Firmware Commands

Teledyne API Ultrafine Particle Monitor - Model 651

RRS – Read Status Record

RRS returns the current raw analog values in “S” record format for diagnostic use.

RRS

 

 

 

 

 

 

 

 

 

 

 

Command

RRS

 

 

 

 

 

 

 

 

Response

S record (see below)

 

 

 

 

 

 

 

S

 

Record identifier

 

 

 

 

 

AP

 

Absolute pressure in mbars

 

 

 

 

ST

 

Conditioner Temperature in degrees Celsius

 

 

GT

 

Growth Tube temperature in degrees Celsius

 

 

OT

 

Optics temperature in degrees Celsius

 

 

WT

 

Water Separator temperature in degrees

 

 

 

 

 

Celsius

 

 

 

 

 

 

 

FL

 

Sample flow rate in cm3/min

 

 

Example S Record:

 

 

 

 

 

 

 

 

S,1003,20.0,60.0,60.0,20.0,124.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Record Type

 

AP

 

ST

 

GT

OT

WT

FL

 

S

 

1003

 

20.0

 

60.0

60.0

7.0

124.0

 

RTA – Read Cabinet Temperature

RTA reads the cabinet (ambient) temperature in degrees Celsius.

RTA

Command

RTA

 

Response

X

X = A floating point number from 0.0 to 60.0

Example

 

 

Command

RTA

Read Cabinet Temperature

Response

23.8

23.8 °C

RTC – Read Conditioner Temperature

RTC reads the conditioner temperature in degrees Celsius.

RTC

Command

RTC

 

Response

X

X = Floating point number from 0.0 to 50.9

Example

 

 

Command

RTC

Read Conditioner Temperature

Response

20.0

20.0°C

A-10

07506C DCN6727

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Teledyne 651 RRS Read Status Record, RTA Read Cabinet Temperature, RTC Read Conditioner Temperature, Rrs, Rtc