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OPERATION

TM-1300 Progressive Scanning High Resolution Camera Page 11

3 OPERATION

3.1 Modes of Operation

The TM-1300 is designed to accommodate a high resolution, on-line inspection reset mechanism with

full frame shutter. It accepts external horizontal sync (HD, TTL Levels) to lock the camera and VINIT

pulse for resetting the camera asynchronously. The shutter speed can be controlled by either RS-232

computer commands or internal shutter speed control with a 10-position dial switch on the back panel.

3.1.1 Shutter Control Switch

The TM-1300's asynchronous reset is ﬂexible and takes external HD for phase locking. Applying a

VINIT pulse resets the camera's scanning and purging of the CCD. Do not supply VD if the

asynchronous reset is used. Instead, use HD to synchronize the camera to the external device.

When the async reset pulse (VINIT) is applied to High state (+5V)

with the dial switch set from1 to 9, the TM-1300 asynchronous

camera discharges the photo charges into the substrate drain

although the camera is still running on its sync timing and only

outputs captured video. When the negative going reset pulse is

applied, the camera will latch the falling edge to its next horizontal

drive and will immediately reset the vertical sync timing. The

maximum delay is 80.645µsec. (1H). Then the camera will start

integrating for the period of shutter control set by either computer

control or internal shutter control. Therefore the horizontal phase

will not be interrupted. The TM-1300 asynchronous camera will output one full frame of shuttered

video after reset.

TABLE 1. Shutter Control Settings

Set Manual Shutter Mode Async Reset Mode

0 No Shutter (1/12) No Shutter (1/12)

1 1/50 1.5H 1/39,000

2 1/100 2.5H 1/9,500

3 1/200 4.5H 1/5,500

4 1/400 8.5H 1/3,000

5 1/1,500 16.5H 1/1,500

6 1/3,000 32.5H 1/400

7 1/5,500 64.5H 1/200

8 1/10,000 64.5H 1/245

9 1/39,000 256.5H 1/50

Shutter Control Switch

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Pulnix TM-200 Bedienerhandbuch Seite 16