As an alternative to the InCal System software interface, FCM’s may be controlled via SCPI queries and commands.

Query or Command

Response

*IDN?

FCM status LED blinks rapidly (red/blue) for approximately 4 seconds and returns Manufacturer, Device Type, Serial Number, and Firmware Revision.
Example: *IDN? Response: ATE Systems,FCM,FCM9999,1.0.0

*OPT?

Returns a list of installed options.
Example: *OPT? Response: CONN1FEMALE2_92,

FCM:SETTEMP?

Returns the temperatures (degrees Celsius, 4 decimal places) at which the internal heater is turned on or off.
Example: FCM:SETTEMP? Response: HYSTERESIS 39.0000, OVERTEMPERATURE 41.0000

FCM:CURRTEMP?

Returns the FCM temperature (degrees Celsius, 4 decimal places).
Example: FCM:CURRTEMP? Response: 40.0125

FCM:STATE <state>

Sets the FCM to the desired state. Valid states are as follows:

R1

OPEN

R4

SHORT3

PWR

Measure Power

R2

SHORT1

R5

LOAD1

NOISE

Measure Noise

R3

SHORT2

R6

LOAD2

THRU

THRU

Example: FCM:STATE R3 Response: ACK

FCM:MEAS:DEFAULT <1|2>

Sets the default port for power measurement.
Example: FCM:MEAS:DEFAULT 1 Response: ACK

FCM:MEAS? <freqMhz>

Returns the corrected RF input power value (in dBm) at the specified frequency (in MHz) on the port defined by FCM:MEAS:DEFAULT.

Example: FCM:MEAS? 15.2 Response: 6.233101E-01

FCM:MEAS1? <freqMhz>

FCM:MEAS2? <freqMhz>

Returns the corrected RF input power value (in dBm) at the specified port and frequency (in MHz) without changing the default port.

Example: FCM:MEAS2? 14.8 Response: 6.411215E-01

FCM:NOISE: <INT1|INT2|EXT1|EXT2|OFF>

Sets the noise source ON or OFF, or sets the FCM for external trigger.

Example: FCM:NOISE: INT1 Response: ACK

FCM:NOISE?

Returns the current noise trigger.

Example: FCM:NOISE? Response: INT2

FCM:STATE?

Returns the current impedance state.

Example: FCM:STATE? Response: R3

SYS:FILE:DIR?

Displays a comma separated list of the files stored on the device.

Example: SYS:FILE:DIR? Response: P1.XKT,PORT1_R1.S1P,…

SYS:FILE:GET? <FILENAME>

Displays the contents of the specified file.

Example: SYS:FILE:GET? P1.XKT

SYS:FILE:MD5?

Returns a checksum of the files stored on the device.

Example: SYS:FILE:MD5?
Response: 8BD5C7734CC395EF132F0A185FBC585A

SYS:FILE:DATE?

Returns the date which the device data was last flashed to on-board memory.

Example: SYS:FILE:DATE? Response: 2017-07-31

SYS:RESTART

Closes current network session and restarts the FCM.