Exposure Settings; Exposure Mode; Exposure Time - JAI GO-5000M-USB User Manual

8.2.

Exposure settings

This section describes how to set the exposure settings.
8.2.1

Exposure Mode

The exposure mode can be selected from the following three methods.
Table -15 Exposure mode
Exposure Mode setting
OFF
Timed
Trigger Width
For trigger operation, Exposure Mode must be set to something other than OFF and Trigger Mode of
Frame Start must be ON.
If Exposure Mode is set at Timed, the exposure operation can be selected as follows by setting
Trigger Option
Table – 16 Trigger option
Trigger Option setting
OFF
RCT
The effect of the combination of Exposure Mode, Trigger Option and Trigger Mode is as follows.
Table – 17 The combination of Exposure Mode, Trigger Option and Trigger Mode
Exposure Mode
OFF
Timed
Trigger Width
8.2.2

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 μsec per step.
Minimum:
Maximum:
GO-5000M-USB / GO-5000C-USB
Exposure operation
No exposure control (free-running operation)
Exposure operates at the value set in Exposure Time. Setting value is usec unit.
・If Trigger Mode setting is OFF, the camera is in free-running operation.
・If Trigger Mode setting is ON, the exposure operation depends on the setting of
Trigger Option.
The exposure is controlled by the pulse width of the external trigger.
・Trigger Mode is forced to ON.
Exposure operation
Timed (EPS) mode
RCT mode, Refer to Chapter 8.7 for the details
Trigger Option
N/A
OFF
RCT
N/A
10 μsec
8 seconds (Note – noise may make image unusable after 1 second)
- 37 -
Trigger Mode
(Frame Start)
Free-running operation
N/A Exposure control by Exposure Time
is not possible
Free-running operation
OFF Exposure control by Exposure Time
is not possible
Timed (EPS) Operation
ON Exposure can be controlled by
Exposure Time
RCT Operation
ON Exposure can be controlled by
Exposure Time
Exposure is controlled by the pulse
ON
width of the external trigger
Operation