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spec - Local Sector 7 web page

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translation stages, the maximum value (999999?) would be appropriate. The grainparameter is a multiplier for the steps sent to the motor by <strong>spec</strong> and should be simplyrelated to a gear reducer value. The direction parameter should be set to zero toreverse the direction of the motor so that its position agrees with the controller display.The drive-mode parameter changes the meaning of the output signals. For avalue of one, the output signals are count-up/count-down. For a value of zero, theoutput signals are step/direction.The cut-point parameter allows negative positions to be reported by <strong>spec</strong>, eventhough the controller only reports positive positions. Positions reported by <strong>spec</strong> willbe between the cut point and the cut point plus the modulo parameter multiplied bythe step size parameter. F§ ¥ ¡ ¦¥ ¤ ¢§¤£¥¨£ ¥ ¥ ¡¤£ ¢§ ¢£¢ ¥ £¡¤ ¡¤££¢ ¢ ¥¥¨£ ¥ ¢ ¥§§¢¥¡¢ ¡ ¢ £ ¤ NewFocus Model 8732 Picomotor Controller (GPIB and Serial)config file:RS_NF8732 = device_name baud_rate number_of_motorsGP_NF8732 = gpib_address number_of_motorsedconf devices screen:MOTORS DEVICE ADDR MODE NUM TYPEYES /dev/tty00 9600 4 New Focus Picomotor 8732 (Serial)YES 6 4 New Focus Picomotor 8732 (GPIB)Each New Focus Picomotor controller unit has five card slots available. Each cardhas four connectors, and each connector can control up to three channels. The slot,connector and channel numbers need to be encoded in the configuration file by enteringunit/channel information with the configuration editor. The unit number selectswhich Picomotor controller. The channel number selects the slot/connector/channelnumber of the controller encoded as XYZ, where the slot number is 1

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