Lakeshore Learning Materials 622 Manuel d'utilisateur télécharger pdf (Page 54)

Lake Shore Model 620/622/623/647 Magnet Power Supply User’s Manual

Remote Operation

4-16

4.3.5 Current Step Limit Commands Description

The following MPS commands configure the various functions of the current step limit features.

ISTP Programs Output Current Step Limit

Input: ISTP [step limit] where [step limit] = a value between 0 and +999.9900.

Remarks: Truncates the value to the 0.001 place. The initial condition is +000.000 A. The step limit is

forced to a plus. Control Bus inputs 4 places, display rounds to 0.01 or 0.001 place.

ISTP? Output Current Step Limit Query

Input: ISTP?

Returned: A number between 0 and +999.9900 A.

Remarks: Returns nine characters plus up to two terminators. Value is shown as a “+”, but applies to both

positive and negative step changes.

ISTPS Programs Output Current Step Limit Status

Input: ISTPS [status] where [status] = 0 to turn OFF output current step limit, or 1 to turn it ON.

Remarks: The initial condition is 0.

ISTPS? Output Current Step Limit Status Query

Input: ISTPS?

Returned: 0 for OFF, or 1 for ON.

Remarks: Returns one character plus up to two terminators.

STEP? Output Current Step Limit Exceeded Query

Input: STEP?

Returned: 0 if the step limit has not been exceeded, or 1 if it has been exceeded.

Remarks: Returns one character plus up to two terminators.

STEPR1 Output Current Step Limit Status Reset

Input: STEPR1

Returned: Nothing

Remarks: When the output current step limit has been exceeded, this command must be issued before

normal operation can be resumed.

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Lakeshore Learning Materials 622 Manuel d'utilisateur Page 54