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Ovl.d, Br.rs, Ac.lt – DE-STA-CO IM-pAC AC Drive Getting Started Guide User Manual

Page 68: Fail, Display condition solution

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68

IM-pAC Getting Started Guide

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Issue Number: 5

Table 8-1 DC bus voltages

Table 8-2 Alarm warnings/Display indications

Figure 8-1 Diagnostics logic diagram

Drive voltage rating

UV Trip

UV Reset

Braking level

OV trip

200V

175

215 *

390

415

400V

330

425 *

780

830

* These are the absolute minimum DC voltages the drives can be supplied by.

NOTE

Display

Condition

Solution

OVL.d

I x t overload (I = current, t = time)

Reduce motor current (Load)

hot

Heatsink/IGBT temperature high

Reduce ambient temperature or reduce motor current

br.rS

Braking resistor overload

See Menu 10 in the IMp-AC Advanced User Guide

AC.Lt

Drive is in current limit

See Menu 10 in the IMp-AC Advanced User Guide

FAIL

Failed attempt to read stick

An attempt has been made to read the stick when the drive

was not disabled or tripped, or the stick is read-only.

If no action is taken when an alarm warning appears, the drive will trip on the appropriate fault code.

NOTE

Analog inputs

94

95

81

Analog input 1 (%)

Analog input 2 (%)

Digital I/O

XX

Digital I/O

Read

word

Pr 90

Sequencer

92

93

91

Jog

selected

Reverse

selected

Reference

enabled

X-1

1

0

0

1

0

1

0Hz

82

Pre-ramp

reference (Hz)

84

DC bus

voltage

42

41

40

39

38

37

32

09

08

07

06

Motor rated

current

Motor rated

speed

Motor rated

voltage
Motor power

factor

Dynamic V to f

select

Switching

frequency
Autotune
Motor rated

frequency

No. of motor

poles
Voltage

mode select

Voltage

boost

Motor control

03

Acceleration

rate
Deceleration

rate

Ramps

02

01

Minimum

speed
Maximum

speed

Speed clamps

83

Post-ramp

reference

(Hz)

85

Motor

frequency

86

Motor

voltage

87

Motor

speed

rpm

88

89

Motor active

current

Motor current

Current

measurement

15

Jog

reference

Digital I/O read word Pr 90

Terminal Binary value for XX

B3

1

B4

2

B5

4

B6

8

B7

16

T6/T5

64

Frequency

reference

selected (Hz)

04

T2

T4

T6

T5

B3

B4

B5

B6

B7

XX

XX

Key

Read-write (RW)

parameter

Read-only (RO)

parameter

Input

terminals

Output

terminals

B3

B4

11

12

Start/stop

logic select

Brake

controller

enabled

31

Stop mode

select

Ramp mode

select

30

10

Parameter

access