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MM21036A/MM22036A INSTALLATION GUIDE

Figure 2. Calibration Trimpot Layout

Calibration

The control is factory calibrated with OFFSET at 0° and SPAN
at 300°. The MAX SPD trimpot is adjusted to 85V DC
(MM21036A) and 170V DC (MM22036A), at no load.

Calibrate the drive using the following procedure:

Set the MIN SPD and OFFSET trimpots to zero (full
CCW).

Set the SPAN, MAX SPD and TORQUE trimpots to
maximum (full CW).

Set the IR COMP trimpot to midrange (approximate 12
o’clock position).

Set the dancer potentiometer wiper to minimum.

Apply power to the drive.

Calibrate the trimpots as follows:

250-0103r2_readers_spreads.qxd 7/18/01 3:22 PM Page 4

Содержание MM21036A

Страница 1: ...mmon to installations of this type Specifications Drive MM21036A MM22036A Line voltage 5 10 115 VAC 230 VAC Line frequency 50 60 Hz 50 60 Hz Line current maximum 8A 8A Horsepower 1 8 1 2 1 2 1 Armature output 0 90 VDC 0 180 VDC Armature current maximum 5 ADC 5 ADC Ambient temperature range 10 C 55 C 10 C 55 C Approximate weight 0 5 lb 0 5 lb Maximum horsepower 1 and maximum armature current 10A wh...

Страница 2: ...2 If using a shunt wound field motor connect the field to Terminals Fl and F2 otherwise make no connections to Terminals Fl and F2 Dancer potentiometer connections Connect the dancer pot CCW end to terminal Sl its wiper to S2 and its CW end to S3 Use shielded cable unless the pot leads are less than 18 inches 0 5m long Power and line fusing connections Connect line power to Terminals L1 and L2 Fus...

Страница 3: ...21036A MM22036A INSTALLATION GUIDE Figure 1 MM21036A MM22036A Connections NOTES 1 DO NOT CONNECT FIELD OUTPUT IF USING A PERMANENT MAGNET MOTOR 2 DO NOT ADD A LINE FUSE TO L2 UNLESS LINE VOLTAGE IS 230 VAC ...

Страница 4: ...V DC MM21036A and 170V DC MM22036A at no load Calibrate the drive using the following procedure 1 Set the MIN SPD and OFFSET trimpots to zero full CCW 2 Set the SPAN MAX SPD and TORQUE trimpots to maximum full CW 3 Set the IR COMP trimpot to midrange approximate 12 o clock position 4 Set the dancer potentiometer wiper to minimum 5 Apply power to the drive 6 Calibrate the trimpots as follows ...

Страница 5: ...red offset position 2 Apply line voltage 3 Adjust the OFFSET trimpot until the motor shaft just begins to rotate Back off the adjustment slightly until the motor has stopped rotating MINIMUM SPEED MIN SPD The MIN SPD setting determines the motor speed at the point when the OFFSET trimpot allows the motor to run It is factory set for zero rated speed To calibrate set the MIN SPD trimpot full CCW Se...

Страница 6: ...een reached MAXIMUM SPEED MAX SPD The MAX SPD setting determines the motor speed when the dancer potentiometer wiper is at the maximum cutoff point set by the SPAN trimpot It is factory set for maximum rated speed To calibrate set the MAX SPD trimpot to maximum full CW Set the dancer potentiometer wiper to maximum Adjust the MAX SPD trimpot CCW until the desired maximum motor speed is reached REGU...

Страница 7: ... full load armature current rating The motor should slow down 4 While keeping the load on the motor rotate the IR COMP trimpot until the motor runs at the speed measured in step 2 Approximate calibration If the motor does not maintain set speed as the load changes gradually rotate the IR COMP trimpot CW If the motor oscillates overcompensation the IR COMP trimpot may be set too high CW Turn the IR...

Страница 8: ...pot to full CCW 3 Carefully lock the motor armature Ensure that the motor is firmly mounted 4 Apply line power The motor should be stopped 5 Set the dancer potentiometer to maximum speed The motor should remain stopped 6 Slowly rotate the TORQUE trimpot clockwise CW until the ammeter reads 120 of maximum motor armature current Warning Although TORQUE is set to 120 of maximum drive current rating c...

Страница 9: ...iometer to the OFFSET position 8 Remove power from the drive 9 Remove the lock from the motor shaft 10 Remove the ammeter in series with the motor armature The control is now calibrated 9 MM21036A MM22036A INSTALLATION GUIDE ...

Страница 10: ...Notes 10 MM21036A MM22036A INSTALLATION GUIDE ...

Страница 11: ...Notes 11 MM21036A MM22036A INSTALLATION GUIDE ...

Страница 12: ...LATION GUIDE 901 East Thompson Avenue Glendale California 91201 2011 Tel 1 800 MINARIK 646 2745 Fax 1 800 394 6334 www minarikcorp com Document Number 250 0103 Revision 2 Printed in the U S A 6 01 U S A 10 00 Outside U S A 11 00 ...

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