Agilent 1200 Series Autosampler Reference Manual 253
Theory of Operation 8
Switches 1 and 2 define which set of parameters (for example, for GPIB,
RS-232C, and so on) will be changed. Once the change has been completed, the
instrument must be powered up again in order to store the values in the
non-volatile memory.
In the non-volatile memory the parameters are kept, regardless of whether you
turn the instrument off and on again. They will be kept until the same set of
parameters is subsequently changed and power is reset. All other previously
stored configuration settings will still remain in the non-volatile memory.
In this way you can store more than one set of parameters using the same 8-bit
configuration switch twice, for example, for both GPIB and RS-232C.
GPIB Default Addresses
If you just want to change the GPIB address and need a detailed procedure,
refer to the Installing Your Agilent ChemStation System handbook.
Default GPIB address is set to the following addresses:
where 0 means that the switch is down and 1 means that the switch is up.
Table 51 Default Addresses for Agilent 1200 Series Modules
Module Address Binary Address
Pump 22 0 0 0 1 0 1 1 0
FLD 23 0 0 0 1 0 1 1 1
VWD 24 0 0 0 1 1 0 0 0
Agilent 8453A 25 0 0 0 1 1 1 0 1
DAD / MWD 26 0 0 0 1 1 0 1 0
Column compartment 27 0 0 0 1 1 0 1 1
Autosampler 28 0 0 0 1 1 1 0 0
RID 29 0 0 0 1 1 1 0 1
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