Introduction to Programming

The Status Model

Operation/Questionable Status Summary Register

Bits 0 to 4 are built from the OSSER/QSSER and the OSSEM/QSSEM.

A summary of the event register, the condition register and the enable mask is set in the status byte.

Operation/Questionable Slot Status

The Operation/Questionable Slot Status consist of a condition and an event register.

A "rising" bit in the condition register is copied to the event register.

A "falling" bit in the condition register has no effect on the event register.

Reading the condition register is non-destructive.

Reading the event register is destructive.

A summary of the event register, the condition register and the enable mask is set in the status byte.

Operation Slot Status Register

Bit 0 is set if the laser is switched on.

Bit 1 is set if the Coherence Control is switched on.

Bit 3 is set if Power Meter zeroing or Tunable Laser module lambda zeroing is ongoing.

Bit 4 is set if the attenuator output is enabled (shutter open).

Bits 5 - 7 are set if the wavelength offset table is enabled (see page 68).

All other bits are unused, and therefore set to 0.

Questionable Slot Status Register

Bit 0 is set if excessive power is set by the user for any source module or if excessive averaging time is set for any Power Meter.

Bit 1 is set if the last Power Meter zeroing failed.

Bit 2 is set if temperature is out of range.

Bit 3 is set if laser protection is switched on.

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Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition

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Agilent Technologies 8163A, B, 8166A Operation/Questionable Status Summary Register, Operation/Questionable Slot Status

8163A, 8164A, 8166A, B specifications

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