GE SPM Series, Instruction Manual

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SPM Synchronous Motor Protection & Control GE Power Management
4.2 KEYPAD INTERFACE 4 USER INTERFACE
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4.2 KEYPAD INTERFACE 4.2.1 DESCRIPTION
The SPM is a user programmable device with a wide range of setpoints, configurations, and calibration values
that enable operation with a wide variety of ring-type and brushless synchronous motors. This section deals
with programming the SPM for a ring-type motor. The setpoints will be explained and a practical example will
be given. The example may be followed step by step by the operator as a guide to program the SPM for their
motor.
• GE Key. This key is used to enter or exit the different modes of the SPM (STAT MODE, PROGRAMMING
MODE, and TEST MODE). It is also used to cancel an operation, such as changing a setpoint.
• SCROLL Keys. These keys are used to scroll through the various menus, setpoints, configuration param-
eters, etc. When the motor is in running mode, pressing either of these keys will halt the display from scroll-
ing. They can then be used to step through the displayed values one at a time. Pressing and holding this
key will resume the automatic scrolling of the display.
When changing a setpoint or other parameter, pressing and holding either of the SCROLL keys down will
put the values being changed into a decade incremental scroll. Thus, changing a setpoint from 1 to 1000,
the value would start to increment by the decade value (10, 100, or 1000) after every decade (after reach-
ing 10, it increments by 10, after reaching 100, it increments by 100).
• ENTER Key. This key is used to make a selection or acts as an enter key, as prompted by the menu on the
display. This key must be pressed when setpoints, configuration parameters or calibration values are
selected to be changed. It must also be pressed to save such changes.
The SPM has a "smart" parameter menu for setpoints that does not allow the user to enter values outside
of the valid range and automatically checks for setpoint dependencies.