American Magnetics 430, Инструкции по установке, эксплуатации и обслуживанию

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R
EV
9 7
A
MERICAN
M
AGNETICS
, I
NC
. I
NTRODUCTION
: M
ODEL
430 S
PECIFICATIONS
@ 25 °C
M
ODEL
430 S
PECIFICATIONS
@ 25 °C
Additional Model 430 Programmer Specifications
Magnet Current Control
Parameters
Standard Model 430 Factory Configurations: Programmable Limits
I
max
:
±
5 A
±
10 A
+
100 A
+
120 A
±
125 A +240 A
±
250 A
+
300 A +600 A
Measurement Resolution (
μ
A): 0.625 1.25 12.5 15.6 15.6 31.2 31.2 37.4 75.0
Accuracy (% of
I
max
):
0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.005 0.005
Minimum Ramp Rate (
μ
A/min)
a
:
3 6 60 75 75 150 150 18 36
Maximum Ramp Rate (A/sec): 0.5 1 10 12.5 12.5 25 25 30 60
a. Minimum ramp rate is 1/10th of the listed value with the high-stability option installed for systems up to
±
250 A. Systems with
higher maximum current capacity include the high-stability option as standard.
Magnet Current Control
Temperature Coefficient:
0.01% of
I
max
/ °C
Stability
(w/ internal shunt)
:
w/ High-Stability Option:
With standard internal shunt, better than 0.002% of
I
max
after
20 minutes at desired current
With High-Stability Option (zero flux current transducer), better
than 0.001% of
I
max
after 10 minutes at desired current
Noise Floor Relative to
I
max
:
−
127 dB w/ internal shunt,
−
138 dB with High-Stability Option
Target Setpoint Entry Precision:
15 digits
a
Ramp Rate Entry Precision:
15 digits
a
Nominal Load Inductance Range: 0.05 to 200 H
(extended range of 0.01 to 1000 H available)
Program Out Voltage
Programmable Limits:
−
10 to +10 VDC
Accuracy:
3 mV (0.03% of V
max
)
Temperature Coefficient:
0.2 mV / °C (0.002% of V
max
/ °C)
Resolution: 0.3 mV
Stability: Better than 10 mV p-p when paused or holding
(with 0.05 to 200 H load)
Magnet Voltage Measurement
Maximum Limits:
−
20 to +20 VDC
Accuracy:
20 mV (0.1% of V
max
/ °C)
Temperature Coefficient:
1.5 mV / °C (0.0075% of V
max
/ °C)
Resolution: 10 mV