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Toshiba – Toshiba Adjustable Speed Drive H3 User Manual

Page 93

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TOSHIBA

9 - 24

Parameter Explanations (cont'd)

Item 275,

FM TERMINAL FUNCTION SELECTION

(con't) - Choices for "FM" terminal's signal's

function:

0: (default for "FM"). Pre-compensation reference frequency. This is the drive's internal
frequency command and is affected by acc/dec and PID and droop (same as the actual output
frequency displayed on the drive's keypad).
1: Post-compensation output frequency may be higher than frequency command (drive
overspeeds to compensate for slip in vector control).
2: Frequency command. Use for master/follower. Not affected by stopping or accel/decel.
3: (default for "AM"). Output current. (output amps)

2

=(torque amps)

2

+(excitation amps)

2

4: DC bus voltage
5: Output voltage
6: Torque current. (output current)

2

= (torque current)

2

+ (excitation current)

2

7:

Excitation current

. (output current)

2

= (torque current)

2

+ (excitation current)

2

8: PID feedback value. This is the frequency represented by the feedback signal
9: Motor overload ratio. Example: H3 is rated for 150% FLA for 2 minutes. If H3 runs at
150% for 1 minute, this output will be 50%. Drive trips when ration hits 100%.
10: Inverter overload ratio. See example for selection 9 above.
11: Dynamic braking resistor overload ratio. See example for selection 9 above.
12: Input power (watts)
13: Output power (watts)
14: Meter calibration setting
15: Peak output current. Peak is reset by cycling power, initiating a run, or resetting drive.
16: Peak input voltage. Peak is reset by cycling power, initiating run, or resetting drive.
Calculated from DC bus.

Item 276,

FREQUENCY METER ADJUSTMENT

- This setting adjusts the gain of the "FM" terminal. With

Item 275 set to "14" (or Item 277 for the "AM" terminal), press the up/down arrows (ignoring parameter
value shown) until external meter/system reads the following value for the chosen operating variable:

For

post compensation frequency, adjust until meter/system reads 75% of Item 1,

MAXIMUM

OUTPUT FREQUENCY

For

post-compensation output frequency, adjust until meter/system reads 75% of Item 1,

MAXIMUM OUTPUT FREQUENCY

For

frequency command, adjust until meter/system reads 75% of Item 1,

MAXIMUM OUTPUT

FREQUENCY

For

output current, adjust until meter/system reads drive rated amps (or 100%)

For

DC bus voltage, adjust until meter/system 283 VDC for a 230 V drive or 566 VDC for a 460 V

drive.

For

output voltage, adjust arrows until meter/system reads 200 VAC (or 100%) for a 230 V drive

or 400 VAC (or100%) for a 460 V drive.

For

torque current, adjust arrows until meter/system reads drive rated amps (or 100%).

For

excitation current, adjust arrows until meter/system reads drive rated amps (or 100%).

For

PID feedback value, adjust arrows until meter/system reads 75% of Item 1,

MAXIMUM

OUTPUT FREQUENCY.

For

motor overload ratio, adjust arrows until meter/system reads 100%.

For

inverter overload ratio, adjust arrows until meter/system reads 100%.

For

dynamic braking resistor overload ratio, adjust arrows until meter/system reads 100%.

For

input power, adjust arrows until meter/system reads 346 X drive FLA for a 230 V drive or 692

X drive FLA for a 460 V drive.

For

output power, adjust arrows until meter/system reads 346 X drive FLA for a 230 V drive or

692 X drive FLA for a 460 V drive.

For

peak output current, adjust arrows until meter/system reads drive rated amps (or 100%).

For

peak input voltage, adjust arrows until meter/system reads 200 VAC for a 230 V drive or 400

VAC for a 460 V drive.

Specifications

Precautions

Wiring

Jumpers

Panel

Keypad

Parameters

Programming

Service

Dimensions

Index

Inspection