Glentek SMA8105, Руководство по эксплуатации и обслуживанию

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36 Glentek Inc., 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026
CHAPTER 6: START UP AND CALIBRATION
6.4 Sine/Resolver Mode Amplifier Calibration:
The following pots will be set during calibration:
Note: RV1 and RV8 are single turn pots; RV2-RV7 and RV9-RV14 are 12-turn pots.
Note: RV9-RV14 are factory set and should not be adjusted. Adjusting these pots voids
warranty.
6.4.1 Sine/Resolver Mode Amplifier Calibration Procedure - Velocity
Mode:
The amplifier, in this configuration, receives an analog, bi-polar input command
which is proportional to the required motor velocity.
1. Turn the Current Limit (RV7) to mid position and the Loop Gain (RV8) full CCW.
2. Apply main power and fan power.
3. Slowly turn the Loop Gain (RV8) CW. The motor should be stopped or turning
slowly. If the motor starts running away, turn Loop Gain pot(RV8) CCW, switch
TACH REVERSE (S1-5) from OFF to ON (or vice versa) and retest. Leave the Loop
Gain (RV8) full CW for all remaining adjustments.
4. Set the Balance (RV5) for zero motor rotation.
5. Connect the oscilloscope to ABS I (J1-7) and the battery box to Signal 2 Input. The
voltage at J1-7 is a function of motor current: 1V=5A for SMA8X05. While applying a
step input voltage, adjust the Current Limit (RV7) for the desired peak current. If the
desired peak current cannot be achieved with the pot full CW, increase the input
voltage or increase the Signal Gain (RV3).
Pots Name of Port Note
RV2 SIG 1
(Differential Input
Signal Gain)
Sets the input voltage to RPM ratio, e.g. 10V=2000RPM (velocity
mode) or input voltage to torque ratio, e.g. 10V=10A (current mode)
required by your system for the differential input.
RV3 SIG 2
(Single-ended
Input Signal Gain)
Same as Signal 1 input, except this is for single-ended input.
RV4 TACH
(Tach Gain)
Used in conjunction with the compensation pot to set the system
bandwidth. Not used in current mode. Shipped set at 75%.
RV5 BAL (Balance) Used to null any offsets in system.
RV6 COMP
(Compensation)
Used in conjunction with the TACH pot to set the system bandwidth.
Not used in current mode. Shipped set at full CW (minimum
bandwidth).
RV7 I LIMIT
(Current Limit)
Sets the maximum motor current. Shipped set at full CW (maximum
current limit).
RV8 LOOP
(Loop Gain)
Used to shut off uncalibrated amplifiers. When the loop gain is
CCW, no current is delivered to the motor. Shipped set at full CCW.