User Manual

Rev. 5 197
Index
cryogens xiv
equipment xvi
legend xvii
quenches xvi
segmented ramping 59
see ramping, segmented
settings 60
settings password 67
settings protection 60
setup
example 72
load submenu 48
misc submenu 59
supply submenu 43
setup lock 67
Shift Key Commands
Decrement Field 38
Field Current 38
Field Units 38
Fine Adjust 39
Increment Field 37
Persist. Switch Control 29
Persistent Switch Heater Current 39
Ramp Rate 33
Reset Quench 37
Stability 39
Volt Meter 39
Voltage Limit 36
short-circuit operation 16
shunt accuracy 19
shunt current measurement 159
Single-key Commands
Persistent Switch Control 29
Ramp / Pause 31
Ramp To Zero 31
Target Field Setpoint 31
slow networks 142
specifications
Model 430 159
stability setting 16—??, 17, 39, 48—
50, 138
stabilizing resistor 16
status indicator 24
submenus 42
supply submenu
max output current 48
max output voltage 47
min output current 47
min output voltage 47
select power supply 44
v-v mode range 48
system features 1
system interconnects 13
system name 185
T
terminal torque limits 8, 160
test procedure 17
torque limit on terminals 8, 160
troubleshooting
cannot enter persistent mode 140
cannot exit persistent mode 140
charges slowly 139
communication failures 142
contacting AMI support 143
excessive LHe losses 141
magnet current drifts while PSwitch cool-
ing 142
no field display 141
no power 136
operating voltage 12
oscillation 138
quenches 140
replacing the battery 137
replacing the Model 430 fuse 136
unidirectional current with four-quadrant
supply 139
voltage selector 137
will not charge 138
will not discharge 139, 140
troubleshooting hints 135
U
unstable power supply 138
V
velocity sensitivity of fine adjust knob 27
Z
zero flux current measurement 1, 3, 10,
13, 22, 159