Lakeshore Learning Materials 647 User Manual

Page 53

Advertising
background image

Lake Shore Model 647 Magnet Power Supply User’s Manual

Options & Accessories

5-3

Rail Fault Detected

Excessive DC rail voltage (unable to return power to the

utility or some other internal fault), causes the MPS to

display:

I STEP Limit Exceeded
When the user attempts to change the current setting by
more than the step limit setting, the MPS displays:


5.2 FACTORY DEFAULT SETTINGS
Below is a list of factory-presets. To reinitialize the MPS to factory presets, hold Esc for about 15 seconds.

Normal Display Screen

I SET: +0.00A

– Current Setting

V SET: +1.00V

– Voltage Setting

Setup Screen

IEEE / SIO:

– IEEE/SIO Option Status (<NP> if not present)

CB DEF: 9600,0,7,1

– Control Bus Definition (9600 Baud, Odd Parity, 7 Data Bits, 1 Stop Bit)

CB ADD: 0

– Control Bus Address

VW ANGLE: 5

– Viewing Angle (5 = Straight On)

IMAX SET: + 72.00 A

– Maximum Current Setting in Amps

VMAX SET: + 30.00 V

– Maximum Voltage Setting in Volts

IEEE/SIO Setup Screen (If Present)

IEEE ADD: 12

– IEEE Address

TERMS: (CR LF)

– Terminators Status (Carriage Return & Line Feed)

EOI: <ON>

– EOI Status = On

BAUD: 1200

– Baud Rate for RS-232

DEF: 0,7,1

– SIO Definition (Odd Parity, 7 Data Bits, 1 Stop Bit)

Ramp Status Screen

SEGMENT: <OFF>

– Ramp Segment = Off

STATUS: HOLDING

– Ramp Status = Holding

FROM: + 0.00 A

– Ramp From (in Amps)

TO: + 0.00 A

– Ramp To (in Amps)

AT: + 0.00 A/Sec

– Ramp At (in Amps per Second)

Field Measurement Screens (If Present)

READING: <OFF>

– Reading Status = Off

UNITS: kG

– Field Units in Kilogauss

mV/kG: + 0.800

– Field Probe Sensitivity

ZERO RDG: <OFF>

– Field Probe Zerio and Status = Off

Output Current Zero Screen

STATUS: <OFF>

– Output Current Zero Status = Off

I ZERO: + 0.00 A

– Output Current Zero Value

I MODE: INTERNAL

– Output Current Programming Mode (Display Only)

Current Step Limit Screen

STATUS: <ON>

– Output Current Step Limit Status = On

I STEP: + 10.00 A

– Output Current Step Limit = +10.00 Amps

- 0 .0 0 A

+ 1 .0 0 V

R A IL L O C

T H E U N IT W IL L B E T U R N E D

O F F T O A V O ID D A M A G E .
D C R A IL V O L T A G E T O O H I.

O U T P U T :

*

IN T E R N A L

R A IL F A U L T :

I S T E P L IM IT E X C E E D E D :

O U T P U T C U R R E N T C H A N G E D
M O R E T H A N T H E I S T E P

L IM IT IN O N E U P D A T E .
T H E O U T P U T S E T T IN G S A R E
F O R C E D T O 0 A A N D 1 V .

P R E S S ¥ T O C L E A R E R R O R .

O U T P U T :

- 0 .0 0 A

+ 0 .0 0 V

S T P L O C

*

Advertising