B-26 BOP-1K 031912B.93 [SOURce:]VOLTage[:LEVel]:LIMit:POSitive? QUERY VOLT:LIM:POS?Syntax: Short Form: [SOUR:]VOLT[:LEV]:LIM:POS? Long Form: [SOURce:]VOLTage[:LEVel]:LIMit:POSitive? Description: Identifies the software limit value for positive output voltage specified by the user.B.94 [SOURce:]VOLTage:MODE COMMAND VOLT:MODESyntax: Short Form: [SOUR:]VOLT:MODE (FIX | LIST | TRAN | EXT | GAIN | PROT | HALT)Long Form: [SOURce:]VOLTage:MODE (FIXed | LIST | TRANsient | EXTernal | GAIN | PROTect| HALT)nn = = time in Seconds for transient (from 0.0005 to 2)Description: Allows the user to execute or stop a list, to execute a transient, or to use an external reference.The default mode is FIXed: the power supply executes commands normally, and LIST commands canbe issued to establish the parameters and sequence of a list. This command affects the main channel,whether voltage or current.When VOLT:MODE LIST is issued, a list is executed (See LIST commands and Figure B-5). Whilethe list is being executed, LIST commands are not accepted and will produce a command error. IssuingVOLT:MODE FIX while the list is running will stop the execution of the list and return power supply tosettings in effect prior to running the list. If the list runs to completion, the settings of the last step of thelist will be in effect. Issuing VOLT:MODE HALT while the list is running will stop the execution of the listat the end of the current cycle.VOLT:MODE TRAN nn causes the next VOLT: or CURR: command to produce a transient pulse ofnn Seconds duration, after which the voltage returns to original value. E.g., VOLT:25 sets the output to25 volts, and VOLT:MODE TRAN 0.1 primes the unit for a transient of 0.1 Seconds. When VOLT:10 isissued, the power supply output goes to 10V for 0.1 Seconds. Similarly, sending VOLT:TRIG 14,VOLT:MODE TRAN .05 and *TRG causes the output to go to 14V for 0.05 Seconds. If the time nnexceeds 2 Seconds, error message -222 “dwell or frequency out range” is posted to the error queue.VOLT:MODE EXT Configures the unit to use an external reference to change the output voltage;±10V reference produces output = ±Eo (rated) (Fixed gain = Eo (rated).VOLT:MODE GAIN Configures the unit to use an external reference to provide a proportional outputvoltage.VOLT:MODE PROT - allows main channel (CURR or VOLT) to accept values up to the protectionlimits of the power supply without generating an error. For example for a BOP 36-28MG in currentmode, after sending VOLT:MODE PROT, sending VOLT 36.4 would set the protection levels to 36.4and main channel level to 36.Related Commands: LIST commands. (See example, Figure B-5.)B.95 [SOURce:]VOLTage:MODE? QUERY VOLT:MODE?Syntax: Short Form: [SOUR:]VOLT[:LEV]:MODE?Long Form: [SOURce:]VOLTage[:LEVel]:MODE?Return value: FIX, LIST, TRANS, EXT, or GAINDescription: Identifies active voltage mode. See PAR. B.94 for further details Related Commands: LIST com-mands. (See example, Figure B-5.)B.96 [SOURce:]VOLTage[:LEVel]:PROTect:BOTH COMMAND VOLT:PROT[:BOTH]Syntax: Short Form: [SOUR:]VOLT[:LEV]:PROT[:BOTH] Long Form: [SOURce:]VOLTage[:LEVel]:PROTect:[BOTH] where is between minimum (box) value (Figure 1-3) and 1% above rated (nominal) outputvoltage.Description: Establishes the both the positive and negative protection limits for voltage. If the protection limits arenot identical the unit automatically reduces the appropriate limit (see Figure B-9).
