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FIGURE 2-11.
2.8.4
OPERATING INSTRUCTIONS FOR MULTIPLE UNIT COMBINATIONS
1. Apply power to the combination by first turning on the master, then turn on the slave(s). If the
master is in STANDBY, depress STANDBY key on the master to apply power to the output
terminals. (To power down the combination, first press STANDBY key on the master to dis-
able the output, then turn off the slave, followed by the master.
2. When the units of a multiple unit combination are first turned on there is a brief delay until all
units are communicating over the BITBUS to form the combined assembly.
•
When the master is turned on, the unit initially displays the Serial number as well as the
Firmware Revision levels and power up test results for the Display, Interface and Analog
processors, then displays the Master Power Up screen (Figure 2-9).
•
When a slave is turned on, the unit initially displays the Slave Power Up screen (Figure
2-11), the Fault indicator is lit, and the unit continues to beep once a minute until the
master is found. For instructions to return the slave to standalone operation, refer to
PAR. 2.8.5. Once the slave is up and running, the
#
key shows DISPLAY (see PAR. 3.2.5).
•
When the master finally recognizes all the slaves, the master LCD reverts to the Power
On Default screen (see Figure 2-10). The slave(s) display the voltage meter (for series
configurations) or current meter (for voltage configurations), and the message indicates
the unit is operating as a slave with slave number shown at lower left corner. The fault
indicators on all units are off.
•
Operation of a multiple unit combination is done by operating the master as described
for a single unit. SCPI commands and front panel control actions applied to the master
affect the multiple unit combination. The LCD display of the master refers to the multiple
unit combination, while the front panel LCD of the slave shows the actual voltage
(series) or current (parallel) provided by the slave.
BOP HIPWR 080709
POWER ON DEFAULT SCREEN FOR SLAVE UNIT
!
key indicates LOCKOUT and the
2-23
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