Models 2500 and 2502 User’s Manual Status Structure 14-13
Operation event register
The used bits of the operation event register (Figure 14-5) are described as follows:
• Bit B0, Calibrating (Cal) — Set bit indicates that the Model 2500 is calibrating.
• Bits B1 through B4 — Not used.
• Bit B5, Waiting for Trigger Event (Trig) — Set bit indicates that the Model 2500 is
in the trigger layer waiting for a TLINK trigger event to occur.
• Bit B6, Waiting for Arm Event (Arm) — Set bit indicates that the Model 2500 is in
the arm layer waiting for an arm event to occur.
• Bits B7 through B9 — Not used.
• Bit B10, Idle State (Idle) — Set bit indicates the Model 2500 is in the idle state.
• Bits B11 through B15 — Not used.
Figure 14-5
Operation event status
Swp
(B3)
—
(B2)
—
(B1)
Cal
(B0)
—
(B4)
Trig
(B5)
Arm
(B6)
—
(B9 - B7)
Idle
(B10)
—
(B15 - B11)
Operation
Condition
Register
Operation
Event
Register
Operation
Event
Enable
Register
&
&
&
&
&
OR
To Operation
Summary Bit
(OSB) of Status
Byte Register
(Figure 14-3)
Stat: oper: cond ?
Swp
(B3)
—
(B2)
—
(B1)
Cal
(B0)
—
(B4)
Trig
(B5)
Arm
(B6)
—
(B9 - B7)
Idle
(B10)
—
(B15 - B11)
Swp
(B3)
—
(B2)
—
(B1)
Cal
(B0)
—
(B4)
Trig
(B5)
Arm
(B6)
—
(B9 - B7)
Idle
(B10)
—
(B15 - B11)
Idle = In idle state
Arm = Waiting for arm event
Trg= Waiting for trigger event
Swp = Sweeping
Cal = Calibrating
&= Logical AND
OR = Logical OR
Stat: oper: ?
:stat: oper: enab <NRf>
:stat: oper: enab ?
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