spec - Local Sector 7 web page

motors on the board) and clears the state of the pin at the end of the move. The statusof pin 29 is read to determine when all activity, including backlash, is completed.The connection to pin 35 (+5V) is necessary to pull up the output.Output pins 24 or 25 on the general purpose I/O connector can be used to gate acounter during powder-mode scans. While the powder-mode motor is moving duringthese scans, spec sets pin 24 high and pin 25 low. Use the one appropriate for yourparticular counter. Togate the Ortec 994 counter/timer, for example, pin 24 and pin36 (logic ground) are connected to the front panel enable BNC connector on the Ortecmodule.Kinetic Systems 3112 12-Bit DAC as Motor Controller (CAMAC)config file:CA_KS3112 = slot_numberedconf CAMAC screen:Slot Module Unit Description1 KS3112 0 KS 3112 12-Bit D/A as Motor ControlSome spec users use this DAC to control piezo-electric motion devices. Commandingsuch a device to move from spec results in an instantaneous change in the outputvoltage of the DAC.Micro-Controle IP28 (GPIB and Serial)config file:RS_IP28 = device_name baud_rate number_of_motorsGP_IP28 = gpib_address number_of_motorsedconf devices screen:MOTORS DEVICE ADDR MODE NUM TYPEYES /dev/tty00 9600 4 Micro-Controle IP28 (Serial)YES 6 4 Micro-Controle IP28 (GPIB)Code for this motor controller was developed by a spec user. Ifnew users plan onusing this controller,please contact CSS first.INTERIM WORK-IN-PROGRESS (8/16/01) NOT FOR GENERAL DISTRIBUTION HARDWARE REFERENCE 235