GEC ALSTHOM MCHN02D1AB0004A Pulse input card

Send the command "?M" and read the result using either the GPIB or RS232 interface. The RSTL will return the firmware revision, model and serial numbers. In addition, the voltage and current of the power supply will be returned. If they do not match your unit then they will need to be changed using the following commands: "Set * Voltage dddd" = "S*Vdddd" = Set scaling voltage to dddd Volts. "Set * Current dddd" = "S*Cdddd" = Set scaling current to dddd Amps. dddd = 0000 to 1000 (must use four digits).

After the voltage and current are correctly identified

the following commands will be sufficient to test out the basic functionality of the RSTL control of the power supply: The RSTL is designed to functionally duplicate the voltage and current controls on the front panel of a power supply. "SR" tells the RSTL to put the supply in REMOTE operating mode. In this mode the front panel controls are switched out of the control circuit and the RSTL digital to analog converters provide the control signal to the supply. These D/A converters are controlled by the following two programming commands (among others - see Section 4.7.4 for other commands): "PV%50" tells the RSTL to program the voltage output of the supply to 50% of full scale (see 4.7.5 for further details).

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