6 special configurations, Installation – American Magnetics 4Q06125PS-430 Integrated Power Supply System User Manual
Page 34
16
Rev.
5
Installation
Magnets w/o Persistent Switch
c. Connect the negative (−) resistive shunt terminal (5) on the back of
the Model 430 Programmer to the power supply
COMMON
terminal
(6).
d. Connect the DB15 cable from the
PROGRAM OUT
connector (12) on
the back of the Model 430 Programmer to the
ANALOG I/O
connector (7) on the rear of the power supply.
e. Install an instrumentation cable between the magnet support
stand top plate connector (8) and one of the
MAGNET STATION
connectors (14) on the rear of the Model 430 Programmer.
f. Optional: Install an instrumentation cable between one of the
LHe
LEVEL / TEMP
(13) connectors on the rear of the Model 430
Programmer and the Model 13x Liquid Helium Level Instrument
and/or temperature instrument (9). Refer to section A.2 on page
g. Optional: Install an instrumentation cable between the
QUENCH
I/O
connector (11) on the rear of the Model 430 Programmer and
Aux connector
J2
(10) on the rear panel of the Model 13x Liquid
Helium Level Instrument. Refer to section A.5.2 on page 150.
h. Connect each device line cord from the respective device to the
appropriate power receptacle.
i. Remote communications via Ethernet and/or RS-232 can be
accomplished by connecting suitable cabling to the Model 430
Programmer rear panel
ETHERNET
and/or
RS-232
connectors.
2.6 Special Configurations
The Model 430 Programmer has been designed for optimal operation with
a superconducting magnet (i.e. a very low resistance, high inductance
load) with a persistent switch. The Model 430 Programmer is capable of
controlling current to other loads; however, some modification to the
Model 430 Programmer settings and/or connections must usually be made.
Two commonly encountered configurations are: 1) superconducting
magnets without a persistent switch, and 2) operation on a short-circuit or
low resistance load.
2.7 Superconducting Magnets with No Persistent Switch
An external stabilizing resistor for superconducting magnets without a
persistent switch is no longer required
1
. However, these systems do