User manual MAXTOR IMC800

[. . . ] Interfacing non-standard cameras to Matrox Pulsar i2S iMC800 Camera Interface Overview · · · · · · · Application Note: February 15, 1996 752 x 560 x 8-bit or 752 x 280 x 8-bit (CCIR timings) Analog video output Interlaced or non-interlaced Internal TTL hsync and vsync signals supplied externally Internal or external exposure control Accepts asynchronous TTL external trigger 3 modes of operation: pseudo-continuous mode, trigger mode and control mode Camera Interface Details 1. Pseudo-continuous mode (Electronic Shutter mode) Video HDout VDout i2S iMC800 · · · · Matrox Pulsar (with PLS-TTL-CABLE) · · · 752 x 280 x 8-bit Analog video output Non-interlaced Internal exposure control: one of nine exposure times can be selected via the coding switch on the Monoshot Driver; positions 0 through 8 correspond to exposure times of 10ms through 50µs respectively. [. . . ] Trigger mode (Monoshot mode) · · · IMG-7W2-TO-5BNC cable and PLS-TTL-CABLE required Video input BNC of IMG-7W2-TO-5BNC cable should be connected to VIDEO OUT BNC connector of camera The connections between the 25-pin sub/D connector of the camera's Monoshot Driver and the DB-37 connector of the PLS-TTL-CABLE are as follows: i2S iMC800 Monoshot Driver (25-pin sub/D connector) Pin name Pin no. FI 2 VD out 3 HD out 11 MS* 6 DGD 1 PLS-TTL-CABLE (DB-37 connector) Pin name TTL_EXPOSURE1 TTL_VSYNC TTL_HSYNC CTRL1 GROUND Pin no. 9 11 26 36 6&7 Note 1: to enable the use of the FI TTL trigger input on the Monoshot Driver, the CAV1 jumper on the Monoshot Driver must be connected! · TTL external trigger source should be connected to the TTL Trigger Input of the IMG7W2-TO-5BNC cable 3. Control mode (Long Exposure mode) · · · · IMG-7W2-TO-5BNC cable and PLS-TTL-CABLE required Video input BNC of IMG-7W2-TO-5BNC cable should be connected to VIDEO OUT BNC connector of camera The connections between the 25-pin sub/D connector of camera's Monoshot Driver and the DB-37 connector of the PLS-TTL-CABLE are as in Trigger mode TTL external trigger source should be connected to the TTL Trigger Input of the IMG7W2-TO-5BNC cable Trigger mode (Monoshot mode) · Once it has received the external signal to trigger, the Pulsar sends a TTL exposure signal to the camera. The camera awaits the falling edge of the signal, at which point it initiates exposure. The exposure time is set on the camera by using the coding switch PUL-CID-008 3 Interfacing non-standard cameras to Matrox Pulsar i2S iMC800 Special Considerations Application Note: February 15, 1996 Pseudo-Continuous and Trigger modes (Electronic Shutter and Monoshot modes) · The coding switch on the Monoshot Driver must be set to a position between 0 and 8. The positions on the coding switch correspond to the following exposure times: coding switch position 0 1 2 3 4 5 6 7 8 exposure time 10ms 8ms 4ms 2ms 1ms 500µs 250µs 100µs 50µs Control mode (Long Exposure mode) · · · The coding switch on the Monoshot Driver must be set to 9 in order to operate the camera in Control mode Once it has received the external signal to trigger, the Pulsar sends a TTL exposure signal to the camera. The camera awaits the falling edge of the signal, at which point it initiates exposure. The exposure time is set by the Pulsar; the camera will expose for as long as the exposure signal is low Use Matrox Intellicam to modify the DCF in order to specify the exposure time. The exposure time may take on values that satisfy the following two equations: Ti = ( K + 1) × 40 ms d = (( K × 40) + 20)ms , where Ti is the exposure time, d is the width of the low portion of the exposure signal and K is the exposure time in terms of the number of frame times minus 1, that is, K = # frame times - 1. Failure to choose exposure times that satisfy these equations will result in an uncertainty in the actual exposure time of ±20ms Default exposure time is 100ms and · The DCF(s) mentioned in this application note can be found on the MIL and MIL-Lite CD, or our FTP site (ftp. matrox. com). The information furnished by Matrox Electronics System, Ltd. [. . . ] 1901, 19/F, Workington Tower, 78 Bonham Strand E. , Sheung Wan, Hong Kong. Tel: 852. 2877. 5387 Fax: 852. 2537. 9530 PUL-CID-008 4 [. . . ]