2-26 BOP HIPWR 111315• When the master is turned on, the unit initially displays the Serial number as well as theFirmware Revision levels and power up test results for the Display, Interface and Analogprocessors, then displays the Master Power Up screen (Figure 2-10).• When a slave is turned on, the unit initially displays the Slave Power Up screen (Figure2-12), the Fault indicator is lit, and the unit continues to beep once a minute until themaster is found. For instructions to return the slave to standalone operation, refer toPAR. 2.8.7. Once the slave is up and running, the ! key indicates LOCKOUT and the# key shows DISPLAY (see PAR. 3.2.5).• When the master finally recognizes all the slaves, the master LCD reverts to the PowerOn Default screen (see Figure 2-11). The slave(s) display the voltage meter (for seriesconfigurations) or current meter (for parallel configurations), and the message indicatesthe unit is operating as a slave with slave number shown at lower left corner. The faultindicators on all units are off.• Operation of a multiple unit combination is done by operating the master as describedfor a single unit. SCPI commands and front panel control actions applied to the masteraffect the multiple unit combination. The LCD display of the master refers to the multipleunit combination, while the front panel LCD of the slave shows the actual voltage (series)or current (parallel) provided by the slave.2.8.7 RESTORING A UNIT TO STANDALONE OPERATION1. Turn off power to the master.2. Turn off power to the slave(s).3. Turn on power to the unit to be restored to standalone operation.4. From the power-up screen press % to enter the General Setup Menu. Highlight Series/Parallel and press ! to view the Multiple Units menu (see Table 2-12). When prompted,enter ADMIN2 password (see PAR. 3.2.4.3) before continuing.5. Press @ to return to factory defaults. This configures the unit as a standalone unit.6. Press $ to save for power-up.7. Turn off power to the unit, then turn power on. The unit will power up as a standalone unit.2.8.8 CHANGING MULTIPLE UNIT CONFIGURATIONSTo change a unit from series, parallel, Master 2X2 or Master 3X2 operation to a different config-uration, first set the unit to Standalone by referring to PAR. 2.8.7, then refer to PAR. 2.8.4 andconfigure as desired.
