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2-11 Analog programming BNC input
The BNC connector on the rear panel connects .
The 0 to 10V Analog signal can program the 0 to full scale input range in the CC mode ( 0 to
24A range when load current setting is less than 24A, or 0 to 240A range when load current
setting is higher than 24A) or in the CP mode (0 to 2400W). The analog programming signal
can act alone or it can be summed with the programmed value via GPIB, RS-232, or the front
panel. Fig 3-3 shows the analog programming signal (4 Vac, 500Hz) is summed with the 96A
programmed setting in CC mode of 33501 Load module.
Fig 2-6 Analog programming load current in CC mode operation
2-12 Power on status
2-12-1 Local/manual operation mode.
2-12-2 STORE/RECALL：All LED is OFF, BABK LED display shows 01.
2-12-3 GPIB address setting：
GPIB address is set by press STATE 4+STATE 5 simultaneously, press UP or
DOWN key to select 0－31 address number, press STATE 2 to exit GPIB address
setting mode.
2-13 STORE / RECALL operation
The eight function keys on the front panel are designed for high testing throughput purpose.
There are 5 and 150 operation states or testing steps can be store in the EEROM memory,
each state can save or recall the load status and level for four Electronic load modules
simultaneously.
LOAD CURRENT
36A
144A
96A
24A
48A
12A
2mS
STORE
1
2
STATE
START
EXIT
Fig 2-7 front panel key switch
33501 Series Operation Manual 2-5
ANALOG V
6V
4V
2V
T
3
4
5
AUTO
Addr
SEQ
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