Teledyne API Ultrafine Particle Monitor - Model 651

APPENDIX A Firmware Commands

SA – Set Auxiliary Flow Valve

SA is used to turn the auxiliary flow valve on or off. When the Model 651 is powered off, the setting is saved (it does not revert to the default).

SA

Command

SA,x

x = 0 turns valve off

 

 

x = 1 turns valve on

Response

OK

Response issued after parameters changed.

Example

 

 

Command

SA,0

Turns the valve off.

Response

OK

 

Command

SA

 

Response

0

Parameter not changed – current setting

 

 

displayed on record.

SFC – Set Flow Rate Calibration Constant

SFC is used to set the flow rate calibration constant or to return the value of the current setting if no parameter is supplied. When the Model 651 is powered off, the setting is saved (it does not revert to the default).

SFC

Command

SFC,cccc

Response

OK

Example

 

Command

SFC,1205

 

 

Response

OK

Command

SFC

Response

1205

 

 

cccc = 1000-1400

Response issued after parameters changed.

Changes the flow rate constant to 120.5 cm3/min.

Parameter not changed. Current setting displayed on record.

07506C DCN6727

A-13

Page 115
Image 115
Teledyne 651 operation manual SA Set Auxiliary Flow Valve, SFC Set Flow Rate Calibration Constant, Sfc