Chapter 6
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BB6032-14
Photoacoustic Gas Monitor
LumaSense Technologies
1314i / 1412i / 1512i / 3434i
Page 75 of 81
6.1 Interface to 1409 Multipoint Sampler
The 1409 Multipoint Sampler can be controlled via the Gas monitors
interface when it is connected to the Monitors USB Host Connector.
The following commands are possible:
I_O 1,”cmd”
This command sends the cmd to the 1409.
I_E? 1
This reads the answer from the 1409 if the previous
CMD was a query.
6.1.1 Idendity
I_O 1,”*IDN?” This job sends the *IDN? To the 1409
The Gas monitor will respond the 1409 ID on I_E? 1:
i.e. INNOVA,1409,6,VP9507
6 is the number of Sample Channels. 6 can also be 12, and 24
6.1.2 Reset the 1409
I_O 1,”*RST”
This job will reset the 1409 Multipoint Sampler.
Close any open sample valves and set the 3-way
valve in waste air.
6.1.3 Controlling the Sample valves
I_O 1,”O_S_V x”
This job sends the Open Sample Valve command to
the 1409.
O_S_V 1 will open Sample valve 1 and close all other open valves
O_S_V 2 will open Sample Valve 2 and close all other open valves
Etc.
O_S_V
will close any open Sample valve.
6.1.4 Controlling the 3 way valve
I_O 1,”C_S_V T_M”
Sets the 3-way valve to Analyzer
I_O 1,”C_S_V T_S_P”
Sets the 3-way valve to waste air
