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User Manual
5.6 Range/Relay Assembly
The Range/Relay Assembly (P/N 6005-712-1) is located in the back of the chassis and contains the
required range and output relays. Remote voltage sense and output current monitor circuits are also
on this assembly.
5.7 Interface Assembly
The Interface Assembly (P/N 6005-714-1) is located in the back of the chassis and contains several
remote control interfaces. An isolated SELV DC
digital interface circuits (USB, RS232, GPIB, LAN, AUX I/O).
5.8 Front Panel Assem
The
Front Panel Assembly (P/N 6005-408-1) consists of the front panel with on/off switch, a
board and a key
sine wave signal setting the frequency, amplitude and current limit level. It also senses the output
voltage to provide closed loop control of the output. The controller also handles all user interface and
remote control related tasks. The function of each of the two boards that make up the controller
assembly is described in the following paragraphs.
5.8.1 Programmable Controller
This board assembly (P/N 6005-713-1) consists of the components for the CPU (DSP), generating the
waveform signal to the power amplifier and all program, waveform, and data memory. In addition, this
board contains the circuits for all measurements.
clock and lock mode option is als
5.8.2 Keyboard / Display Board
The keyboard/display assembly (P/N 6005-703-2) is mounted between the CPU board and the front
panel. If the power source is used over one of the remote control interfaces, the keyboard functions
can be locked out by asserting the REMOTE state. See the i/iX Compact Series Programming Manual
(P/N 6005-961) for details.
California Instruments
bly
board/display board. The controller contains the main oscillator
o located on this board assembly
supply is used to provide power to the analog and
The clock and lock circuit required to support the
if this option is installed.
2253i / 2253iX
CPU
, which generates the
92
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