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EL-2800M-GE2 / EL-2800C-GE2
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The effect of the combination of Exposure Mode, Trigger Option and Trigger Mode is as follows.
Table20. The combination of Exposure Mode, Trigger Option and Trigger Mode
Exposure Mode
Trigger Option
Trigger Mode
(Frame Start)
Operation
OFF
N/A
N/A
Self-running operation
Exposure control by Exposure Time
is not possible
Timed
OFF
OFF
Self-running operation
Exposure control by Exposure Time
is not possible
ON
Timed (EPS) Operation
Exposure can be controlled by
Exposure Time
RCT
OFF
Self-running operation
Exposure control is not possible
ON
RCT operation
Exposure can be controlled by
Exposure Time
PIV
OFF
Self-running operation
Exposure control is not possible
ON
PIV Operation
Exposure can be controlled by
Exposure Time
Trigger Width
N/A
OFF
Self-running operation
Exposure control is not possible
ON
Exposure is controlled by the pulse
width of the external trigger
7.2.2 Exposure Time
This command is effective only when Exposure Mode is set to Timed. It is for setting exposure time.
The setting step for exposure time is 1
μ
sec per step.
Minimum:
10
μsec
Maximum:
8 seconds
7.2.3 Exposure Auto
This is a function to control the exposure automatically. It is effective only for Timed.
ALC Reference controls the brightness.
There are three modes: OFF, Once, and Continuous.
OFF:
No exposure control
Once:
Exposure adjusts when the function is set, then remains at that setting
Continuous:
Exposure continues to be adjusted automatically
In this mode, the following settings are available.
ALC Speed:
Rate of adjustment can be set(Common with Gain Auto)
Exposure Auto Max:
The maximum value for the exposure range can be set
Exposure Auto Min:
The minimum value for the exposure range can be set
ALC Reference:
The reference level of the exposure control can be set
(Common with GainAuto)
ALC Channel area:
The measurement area of the exposure control can be set