Atec Varian-6900K Series - Manual (Page 4)

Status Request:
Syntax: D CR LF
Response: D n n n (Where n represents a status character) *
Character Bit Definition
1 – ASCII D
2 3 Heater Time Delay
2 High Voltage ON
1 Standby
Ø Mains Power ON
3 3 Interlock Fault
2 Thermal Fault
1 Helix Fault
Ø Summary Fault
4 3 Remote
2 Grid Fault
1 Frequency Trip
Ø Duty Cycle Trip
* A three-character argument is returned in response to the summary status query. Each character contains
4 bits of information. The bits are represented in ASCII hexidecimal notation (00H-0FH).
Controls: Mains Power ON/OFF
Front Panel Enable
Reset
Standby
Operate
CIIL Enable: Internal switch. Disables service request interrupt
Address Switches: Talk, Listen and Secondary Address switches (MTA, MLA, MSA)
Indicators: Mains Power ON
Filament ON
Standby
Operate
Summary Fault
Helix Fault
Special 488
Functions,
cont.
Controls and
Indicators
Note: Characteristics and operating values are based on performance tests. These figures may change
without notice as a result of additional data or product refinement. Please contact CPI before using
this information for system design.
MKT 45, ISSUE 3 12/99 1000
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