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Installation and Configuration
Initial Inspection
18
Operating Manual for GPIB for XPD Series Power Supply
Figure 2.3
GPIB Interface PCB
JUMPER SELECTION
J2
Local OVP control selection
[closed] [default]. See page 23.
[open] Front Panel OVP Control.
J3
User TTL shutdown (S/D) selection
[1-2] User TTL S/D line active low.
See page 27.
[2-3] [default] User TTL S/D line active high.
J20
Remote OVP Control Selection
[closed] [default]. See page 23.
[open]
Note: All other jumpers are not user-selectable.
LED INDICATORS
D1
Red Diagnostic LED
Bus error or soft restart on Slave circuitry.
D4
Red Diagnostic LED
Soft restart on Master circuitry.
D5
Green Diagnostic LED
Bus error on Master circuitry.
See page 48.
EPROMS
U18
Slave EPROM
See revision number stamped on EPROM.
U1
Master EPROM
See revision number stamped on EPROM.