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8303460000 Rev A IA672-04-01-Rev. I
11.6.7. Serial Command Pass-Through
The Genesys™ power supply RS-232/485 (serial) command set has functions that
cannot be implemented by the LAN SCPI command set. The serial command pass-
through allows any serial command to be sent through the LAN SCPI port.
The response message from a pass-through command is the same response as seen
over the serial port. Unlike the SCPI commands, all pass-through commands return a
response message (typically “OK”).
Refer to the Genesys™ Technical Manual for a description of the RS-232 & RS-485
remote control command set.
When using a socket connection, you may not use a semi-colon terminator or add
space characters after the command.
Syntax: DIAGnostic:COMMunicate:PASSthrough <string>
Parameter: <string> is any RS-232/485 command or query
(no quotes are used to enclose the string)
Example #1: DIAG:COMM:PASS PV 25 will program the voltage limit to 25 volts
Response #1: OK will be returned by the above command,
(or an error such as E01 may be returned)
Example #2: DIAG:COMM:PASS MV? will measure the output voltage
Response #2: 24.923 is a sample response to the above query
11.7. Common Commands
Common commands were first defined in the IEEE-488.2 standard, which is the
predecessor of the SCPI standard. They are not specific to power supplies. They are
common commands which are useful for any remote communication
Many common commands refer to bit-mapped registers in which setting bits to “1” or “0”
indicates an operating mode or fault condition. These are described in the Error and Status
section 11.8 below
11.7.1. Identity Query
This is a request for the power supply to identify itself. It is used by the remote
computer to verify the correct instrument is being communicated to and to determine
the model ratings of the power supply.
Syntax: *IDN?
Response: Four fields separated by commas:
Field 1: Manufacturer name
Example: LAMBDA
Field 2: Model name, GEN<Voltage rating>–<Current rating>
Example: GEN400-25
Field 3: Serial number, typically 8 or 9 alpha-numeric characters
Example: S/N:17D9734B
Field 4: Revisions, <Main firmware>–<LAN firmware>
Example: 3U:5.3.1-LAN:3.1.0.0
Example Response:
LAMBDA,GEN400-25,S/N:17D9734B,3U:5.3.1-LAN:3.1.0.0
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