Danfoss iC2-Micro Operating guide

Operating Guide

iC2-Micro Frequency Converters

*M0033001*

130R1215

1 Introduction

This Operating Guide provides necessary information for qualified personnel to install and commission the
AC drive. Read and follow the instructions to use the drive safely and professionally.

Do not dispose of equipment containing electrical components together with domestic waste.
Collect it separately in accordance with local and currently valid legislation.

2 Safety

Pay particular attention to the safety instructions and general warnings to avoid the risk of death, serious
injury, and equipment or property damage.

WARNING

HIGH VOLTAGE

AC drives contain high voltage when connected to AC mains input, DC supply, or load sharing.

UNINTENDED START

The motor may start from control panel, I/O inputs, fieldbus, or MyDrive® Insight at any time, when the drive is connected
to the AC mains, DC supply, or load sharing.

DISCHARGE TIME

The drive contains DC-link capacitors, which can remain charged even when the drive is not powered. High voltage can be
present even when the warning indicator lights are off.

- Stop the motor, and disconnect AC mains, permanent magnet type motors, and remove DC-link supplies, including
battery back-ups, UPS, and DC-link connections to other drives.

- Wait for the capacitors to discharge fully and measure it before performing any service or repair work.

- The minimum waiting time is 4 minutes for MA01c, MA02c, MA01a, and MA02a drives, and 15 minutes for MA03a, MA04a,
and MA05a drives.

LEAKAGE CURRENT

Leakage currents of the drive exceed 3.5 mA. Make sure that the minimum size of the ground conductor complies with the
local safety regulations for high touch current equipment.

3 Installation

3.1 Mechanical Dimensions

Enclosure

size

MA01c

MA02c

MA01a

MA02a

A A

150 (5.9)

176 (6.9)

150 (5.9)

186 (7.3)

Height

[mm (in)]

(1)

216 (8.5)

232.2 (9.1)

202.5 (8.0)

240 (9.4)

Width

[mm (in)]

a B b C

70 (2.8)

75 (3.0)

70 (2.8)

75 (3.0)

55 (2.2)

59 (2.3)

55 (2.2)

59 (2.3)

140.4 (5.5)

150.5 (5.9)

140.4 (5.5)

176.4 (6.9)

[mm (in)]

143 (5.6)

157 (6.2)

158 (6.2)

175 (6.9)

Depth

Mounting holes

(2)

[mm (in)]

4.5 (0.18)

4.5 (0.18)

4.5 (0.18)

4.5 (0.18)

D

C

MA03a

MA04a

Data for MA03a to MA05a will be available in next release.

MA05a

Enclosure

size

MA01c

MA02c

MA01a

MA02a

1x200–240 V 3x380–480 V

0.37–0.75 (0.5–1.0)

1.5 (2.0)

–

Power [kW (hp)]

–

–

0.37–1.5 (0.5–2.0)

2.2–4.0 (3.0–5.4)2.2 (3.0)

Maximum weight

[kg (lb)]

1.0 (2.4)

1.3 (2.9)

1.1 (2.4)

1.6 (3.5)
MA03a

MA04a

Data for MA03a to MA05a will be available in next release.

MA05a

Note:

(1) Including decoupling plate. (2) The potentiometer on the local control panel extends 6.5 mm (0.26 in) from the drive.
(3) Not including decoupling plate.

3.2 Connecting to Mains and Motor

• Mount the ground wires to the PE terminal.

• Connect motor to terminals U, V, and W.

• Mount mains supply to terminals L1/L, L2, and L3/N (3-phase) or L1/L
and L3/N (single-phase) and tighten.

• For required maximum screwing torque, see the back of terminal cover.

3.3 Load Sharing/Brake

Use 6.3 mm (0.25 in) insulated connectors designed for high voltage
for DC (load sharing and brake).
Contact Danfoss or refer to the drive's Design Guide.

Table 1: Connect Terminals

Load sharing

Brake

Recommended connector type (only for drives below 7.5 kW/10 hp): Ultra-Pod
Fully Insulated FASTON Receptacles and Tabs, 521366-2, TE connectivity.

-UDC and +UDC/+BR

-BR and +UDC/+BR

Illustration 1: Mounting of Ground
Cable, Mains, and Motor Wires

Ø D

B
b

a

A

(3)

NOTICE

Voltage levels of up to 850 V DC may occur between terminals +UDC/+BR and -UDC. Not short-circuit protected.

3.4 Control Terminals

• All control cable terminals are located underneath the terminal
cover in front of the drive.

• See the back of the terminal cover for outlines of control terminals
and switches.

NOTICE

Remove the terminal cover with a screwdriver, see illustration 2.

+24 V OUT

DI1 (P 9.4.1.2)

DI2 (P 9.4.1.3)

DIO (P 9.4.1.4)

DI3 (P 9.4.1.5)

DI4 (P 9.4.1.6)

12 13 14 15 17 18 20 31 32 33 34 35 61 68 69

Jog

GND

Frequency

output

+24 V OUT

Start

Reverse

Reset (DI)

GND

+10 V OUT

AO1 (G 9.5.1)

AI1 (G 9.5.2)

AI2 (G 9.5.3)

0-10 V

1K Ohm

0-20 mA

Reference Function: Fault

GND

GND

COM RS 485

Illustration 3: Overview of Control Terminals in PNP-configuration with Factory Setting (Speed Control Mode)

3.5 RJ45 Port and RS485 Termination Switch

iC2-Micro drive has a RJ45 port which complies
with Modbus 485 protocol.

The RJ45 port is used for connecting:

• External control panel.

• PC tool (MyDrive® Insight) via an adapter.

• Offline configuration tool for parameter settings
when the drive is not powered on.

Note: (1) The tool is not available currently.

(1)

(1)

(1)

RJ45 port

Illustration 4: RJ45 Port and RS485 Termination Switch

Illustration 2: Removing Terminal Cover

P RS 485

N RS 485

Relay (P 9.4.3.1)

01 02 03

RS485 termination switch

(ON=RS485 terminated, OFF=Open)

1 2

O N

NOTICE

- The RJ45 port supports up to 3 m (9.8 ft) of shielded CAT5e cable which is NOT used to directly connect the drive to a PC.
Failure to follow this notice causes damage to the PC.

- RS485 termination switch should be set to ON if the drive is at the end of the fieldbus.

- Do not operate RS485 termination switch when the drive is powered on.

4 Programming

4.1 Control Panel

Main display

Status

indicators
Operating

indicators

Home/
Menu

Left

Stop/
Reset

Table 3: Status and Operating Indicator Lights

MON Shows the drive status.

PGM The drive is in programming status.

TOR

LOC





   








Up Down Run indicator

Illustration 5: Indicators and Operation Keys

FunctionName

On

On

The drive is in torque mode.

On

The drive is in speed mode.

Off

The drive is in local mode.

On

The drive is in remote mode.

Off



Status



indicators



Potenti­ometer

OK
Remote
/Local
Back

Start

Table 2: Operation Keys and Potentiometer

Name

Function

(1) Toggles between status display and

Home/Menu

main menu. (2) Long press to access
the shortcut menu for quickly reading
and editing parameters.

Up/Down

Switches status/parameter group/par­ameter numbers, and tunes the para­meter values.
Moves the cursor 1 bit to the left.

Left

Navigates to the previous step in the

Back

menu structure or cancels the setting
during tuning parameter values.

Confirms the operation.

OK

Remote/Local

Stop/Reset

Potenti­ometer

Note: (1) The shortcut menu is not available currently.

Toggles between remote and local
mode.
Starts the drive in local mode.

Start

Stops the drive in local mode, or resets
the drive to clear a fault.
Changes the reference value when the
reference value is selected as potenti­ometer.

FunctionName

The drive is in reverse direction.

REV

ST2

WARN

READY

FAU LT

On

The drive is in forward direction.

Off

Refer to Table 5 Multiple Setups.

Steadily lit when a warning occurs.

Steadily lit when the drive is ready.

Flashes when a fault occurs.

(1)

Table 4: Run Indicator Lights

FunctionName

OnOffThe drive is in normal operation.

RUN

The drive has stopped.
In the motor-stopping process; or

Flash

the drive received a RUN command,
but no frequency output.

Table 5: Multiple Setups

ST2 Off On Flash Flash quickly

Active setup

Programming setup

Note:
(1) Select active setup in parameter P6.6.1 Active Setup.
(2) Select programming setup in parameter P6.6.2 Programming Setup.

(1)

(2)

Setup 1

Setup 1

Setup 2 Setup 2

Setup 2

Setup 1

Setup 2

Setup 1

4.2 Operation with Control Panel

After the drive is powered up, press the Home/Menu key to toggle between status display and main menu.
Use the Up/Down keys to select items, and press the OK key to confirm selection.

Status Display

(MON status indicator light is on)

Reference

Setting

(1)

(Hz)

Output

Frequency

(Hz)

Motor

Current

(A)

Quick

Access

Torque

(Nm)

Udc

Voltage

(V)

Power

(kW)

Reference

(2)

(%)

Full

Parameters

Customer

Readout

(3)

(Unit)

Events

Information

Feedback

(2)(3)

(Unit)

(1) Local mode only. (2) Remote mode only. (3) The status is only shown when the corresponding function is enabled.

Note:

(4) For AMA execution, refer to chapter Automatic Motor Adaptation (AMA). If parameter P5.4.3 Motor Control Principle is set as [0] U/f,
no need to execute AMA.

Illustration 6: Operation with Control Panel

Main Menu

(PGM status indicator light is on)

P4.2.1.1 Motor Type

Q1: Motor Data

*[0] IM Motor

P4.2.2.1 Nominal Power
P4.2.2.2 Nominal Voltage
P4.2.2.3 Nominal Current
P4.2.2.4 Nominal Frequ­ ency
P4.2.2.5 Nominal Speed
P4.2.1.2 Number of Poles

P4.2.2.3 Nominal Current
P4.2.2.5 Nominal Speed
P4.2.3.7 Motor Cont.
Rated Torque
P4.2.4.1 Back EMF
P4.2.1.2 Number of Poles

P4.2.1.3 AMA Mode

P5.4.1 Application Selection

Application

Q2:

Selection

Motor

Q3:

Control

Faults

Warnings

*[20] Speed Control Mode
[21] Process Control Mode
[22] Multi Speed Control Mode
[23] 3-wire Control Mode
[24] Torque Control Mode

P5.5.3.3 Reference Maximum
P5.5.3.4 Reference Minimum
P5.5.4.2 Ramp 1 Accel. Time
P5.5.4.3 Ramp 1 Decel. Time
P2.3.14 Max Output Frequency
P5.8.2 Motor Speed High Limit

Parameter group 1st level:

G1 Grid
G2 Power Conversion & DC-link
G3 Filters & Brake Chopper
G4 Motor
G5 Application
G6 Maintenance & Service
G8 Customization
G9 I/O
G10 Connectivity

PM Motor

[1] SPM or [3] IPM

(4)

4.3 Automatic Motor Adaptation (AMA)

+

• Via running AMA in VVC
bility between drive and motor, and thus enhances the motor control performance.

• Some motors may be unable to run the complete version of the test. In that case, select [2] Enable Reduced
AMA in parameter P4.2.1.3 AMA Mode.

• AMA completes within 5 minutes. For best results, run the following procedure on a cold motor.

Procedure:

1. Set motor data according to the motor nameplate.

2. If needed, set motor cable length in parameter P4.2.1.4 Motor Cable Length.

3. Set [1] Enable Complete AMA or [2] Enable Reduced AMA for parameter P4.2.1.3 AMA Mode, the main display
shows To start AMA, see illustration 7.

4. Press the Start key, the test runs automatically and the main display indicates when it is completed.

5. When AMA is completed, press any key to exit and return to normal operation mode.

mode, the drive builds a mathematical model of the motor to optimize compati-

To start AMA

AMA is running

Illustration 7: AMA Status Indications

AMA is completed

AQ379331704297en-000101 / 130R1215 | 1Danfoss A/S © 2022.02

5 Troubleshooting

Table 6: Warning and Fault Events Summary

Number Description Warning Fault

Live zero error2

No motor3 No motor has been connected to the output of the drive.X – –

Mains phase loss

4

7 DC-link voltage exceeds the limit.X X –

DC overvoltage

DC undervoltage

8 DC-link voltage drops below the voltage warning low limit.X X –

Inverter overloaded9 More than 100% load for too long.X X –
Motor ETR overtemp-

10 Motor is too hot due to more than 100% load for too long.X X –

erature
Motor thermistor

11

overtemperature

Torque limit12

Overcurrent13

Ground fault14 Discharge from output phases to ground.– X X

Short circuit16 Short circuit in motor or on motor terminals.– X X
Control word timeout17 No communication to the drive.X X –
Brake resistor short-

25

circuited

Brake overload26

Brake IGBT/Brake

27

chopper short-circuited

Brake check28 Brake resistor is not connected/working.– X –
U phase loss30 Motor phase U is missing. Check the phase.– X X
V phase loss31 Motor phase V is missing. Check the phase.– X X
W phase loss32 Motor phase W is missing. Check the phase.– X X

Mains failure36

Internal fault38 Contact the local supplier.– X X

Overload T1540

Gate drive voltage fault46 –– X –

24 V supply low47 24 V DC may be overloaded.X X X
AMA calibration failed50 A calibration error has occurred.– X –

AMA check U

51 Wrong setting for motor voltage and/or motor current.– X –

52 Motor current is too low. Check the settings.– X –

AMA low I

AMA big motor53 The power size of the motor is too large for the AMA to operate.– X –
AMA small motor54 The power size of the motor is too small for the AMA to operate.– X –

AMA parameter range55

AMA interrupt56 The AMA is interrupted.– X –
AMA timeout57 –– X –
AMA internal58 Contact the local supplier.– X –
Current limit59 The drive is overloaded.X X –
External Interlock60 External interlock has been activated.– X –
Feedback error61 –X X –

Mechanical brake low63

Power card temp69

Drive initialized to

80 All parameter settings are initialized to default settings.– X –

default value

Auto DC brake87

Broken belt95 –X X –
Locked rotor99 Rotor is blocked.– X –
Motor rotating126 PM motor is rotating when AMA is performed.– X –

Back EMF too high127 The back EMF of PM motor is too high before starting.X – –

Parameter read onlyErr. 89 Parameters cannot be changed.– – –

Not while runningErr. 95 Parameters can only be changed when the motor is stopped.– – –

A wrong password

Err. 96

Note: (1) These faults may be caused by mains distortions. Installing a Danfoss line filter may rectify this problem.

was entered

(1)

and I

nom

nom

(1)

(1)

nom

X X –

X X X

X X –

X X –

X X X

– X X

X X –

– X X

X X –

X – –

– X –

– X –

X X X

X – –

– – –

Trip
lock

Signal on terminal 33 or 34 is less than 50% of the value set in par­ameter P9.5.2.3 T33 Low Voltage, parameter P9.5.2.5 T33 Low Current,
parameter P9.5.3.3 T34 Low Voltage, and parameter P9.5.3.5 T34 Low
Current.

Missing phase on the supply side, or the voltage imbalance is too
high. Check the supply voltage.

Thermistor or thermistor connection is disconnected, or the motor
is too hot.

Torque exceeds the value set in either parameter P5.10.1 Motor Tor-
que Limit or parameter P5.10.2 Regenerative Torque Limit.

Inverter peak current limit is exceeded. If this fault occurs on
power-up, check whether power cables are mistakenly connected
to the motor terminals.

Brake resistor is short-circuited, thus the brake function is discon­nected.

The power transmitted to the brake resistor over the last 120 s
exceeds the limit. Possible corrections: Decrease brake energy via
lower speed or longer ramp time.

Brake transistor is short-circuited, thus brake function is disconn­ected.

This warning/fault is only active if the supply voltage to the drive is
less than the value set in parameter P2.3.7 Power Loss Controller

Limit, and parameter P2.3.6 Power Loss Action is NOT set to [0] No
Function.

Check the load connected to terminal 15 or remove short-circuit
connection.

The parameter values of the motor are outside of the acceptable
range. AMA does not run.

Actual motor current has not exceeded release brake current
within start delay time window.
The cutout temperature of the power card has exceeded the upper
limit.

Occurs in IT mains when the drive coasts, and the DC voltage is
higher than 830 V for 400 V units and 425 V for 200 V units. The
motor consumes energy on the DC link. This function can be en­abled/disabled in parameter P2.3.13 Auto DC Braking.

Occurs when using a wrong password for changing a password­protected parameter.

Cause

6 Specifications

Table 7: Mains Supply 1x200–240 V AC

Normal overload 150% for 1 minute

Drive

Typical shaft output [kW (hp)]

Enclosure protection rating IP20 MA01c MA01c MA02c MA02a

Output current

Continuous (3x200–240 V) [A] 2.2 4.2 6.8 9.6

Intermittent (3x200–240 V) [A] 3.3 6.3 10.2 14.4

Maximum cable size

(Mains, motor) [mm ⁄AWG]

Maximum input current

Continuous (1x200–240 V) [A] 6.1 11.6 18.7 26.4

Intermittent (1x200–240 V) [A] 8.3 15.6 26.4 37

Table 8: Mains Supply 3x380–480 V AC MA01a–MA02a

Normal overload 150% for 1 minute

Drive

Typical shaft output [kW (hp)]

Enclosure protection rating IP20 MA01a MA01a MA01a MA02a MA02a MA02a

Output current

Continuous (3x380–440 V) [A] 1.2 2.2 3.7 5.3 7.2 9.0
Intermittent (3x380–440 V) [A] 1.8 3.3 5.6 8.0 10.8 13.7
Continuous (3x440–480 V) [A] 1.1 2.1 3.4 4.8 6.3 8.2
Intermittent (3x440–480 V) [A] 1.7 3.2 5.1 7.2 9.5 12.3

Maximum cable size

(Mains, motor) [mm ⁄AWG]

Maximum input current

Continuous (3x380–440 V) [A] 1.9 3.5 5.9 8.5 11.5 14.4
Intermittent (3x380–440 V) [A] 2.6 4.7 8.7 12.6 16.8 20.2
Continuous (3x440–480 V) [A]
Intermittent (3x440–480 V) [A] 2.3 4.0 7.5 10.8 14.4 17.5

Table 9: Mains Supply 3x380–480 V AC MA03a–MA05a

Normal overload 150% for 1 minute

Drive

Typical shaft output [kW (hp)]

Enclosure protection rating IP20 MA03a MA03a MA04a MA04a MA05a MA05a

Output current

Continuous (3x380–440 V) [A]
Intermittent (3x380–440 V) [A]
Continuous (3x440–480 V) [A]
Intermittent (3x440–480 V) [A]

Maximum cable size

(Mains, motor) [mm ⁄AWG]

Maximum input current

Continuous (3x380–440 V) [A]
Intermittent (3x380–440 V) [A]
Continuous (3x440–480 V) [A]
Intermittent (3x440–480 V) [A]

02A2 04A2 06A8 09A6

0.37 (0.5) 0.75 (1.0) 1.5 (2.0) 2.2 (3.0)

4/10

01A2 02A2 03A7 05A3 07A2 09A0

0.37 (0.5) 0.75 (1.0) 1.5 (2.0) 2.2 (3.0) 3.0 (4.0) 4.0 (5.5)

4/10

1.7 3.0 5.1 7.3 9.9 12.4

12A0 15A5 23A0 31A0 37A0 43A0

5.5 (7.5) 7.5 (10) 11 (15) 15 (20) 18.5 (25) 22 (30)

Data for MA03a to MA05a will be available in next release.

7 Ambient Conditions

Protection rating IP20 (IP21/Type 1 conversion kit as option).

Temperature during operation

Temperature during storage/transport

Relative humidity 5–95%, non-condensing during operation.

Altitude

Storage

Contamination level

Mechanical conditions

Transportation

Operation

Storage

Transportation

Operation

-10 °C to 50 °C (14 °F to 122 °F), up to 55 °C (131 °F) with derating.

-25 °C to 65/70 °C (-13 °F to 149/158 °F).

0–1000 m (3280 ft) without derating.

1000–3000 m (3280–9243 ft) with derating of 1%/100 m (328 ft).

IEC 60721-3-1, Class 1C2 (aggressive gases), Class 1S11 (dust/sand).

IEC 60721-3-2, Class 2C2 (aggressive gases), Class 2S5 (dust/sand).

IEC 60721-3-3, Class C4 (aggressive gases), Class 3S6 (dust/sand).

IEC 60721-3-1, Class 1M11.

IEC 60721-3-2, Class 2M5.

IEC 60721-3-3, Class 3M11.

8 Mounting Clearance

Table 10: Minimum Mounting Clearance

Enclosure size Minimun mounting clearance [maximum temperature 50 °C (122 °F)]

All enclosure sizes Above and below: 100 mm (3.9 in).

MA01a–MA05a, MA02c Sides: 0 mm (0 in).

MA01c (natural cooling) Sides: 0 mm (0 in) for 40 °C (104 °F), 10 mm (0.39 in) and above for 50 °C (122 °F).

9 EMC Compatibility and Motor Cable Length

iC2-Micro drive has 2 versions based on different EMC filter types:
(1) Drive with built-in EMC filter. (2) Drive with non built-in EMC filter.

Table 11: EMC Compatibility Motor Cable Length

Drive with built­in EMC filter

1x200–240 V

3x400–480 V

Maximum motor cable length (shielded), @4kHz

C1 (Conducted) C2 (Conducted)

5 m (16.4 ft)

–

15 m (49.2 ft)–

Table 12: Maximum Motor Cable Length

Maximum motor
cable length

Shielded

Unshielded

50 m (164 ft)

75 m (246 ft)

• Drive with built-in EMC filter fulfills radiated emission C2 limits.

• Drive with non built-in EMC filter fulfills conducted/radiated emission C4 requirements, and shielded
motor cable is recommended.

• The drive is designed to operate with optimum performance within the maximum motor cable lengths
defined in Table 12 Maximum Motor Cable Length.

10 Fuses and Circuit Breakers

Non cabinet Cabinet

iC2-Micro

kW (hp)

Standard fault

High fault

1x200-240 V

0.37 (0.5)

0.75 (1.0)

1.5 (2.0)

2.2 (3.0)

3x380-480 V

0.37 (0.5)

0.75 (1.0)

1.5 (2.0)

2.2 (3.0)

3.0 (4.0)

4.0 (5.5)

5.5 (7.5)

7.5 (10)

11 (15)

15 (20)

18.5 (25)

22 (30)

UL fuse CE fuse

T

RK1

Standard fault current rating 5 kA

J

– –

25 A

35 A

40 A 50 A

Data for MA03a to MA05a will be available in next release.

gG

CC

– –

UL circuit
breaker

ABB

5 kA

65 kA

CE circuit
breaker

EATON

–

PKZM4-25MS165-25

PKZM4-32MS165-32

PKZM4-50MS165-42

PKZM0-16MS165-1615 A 16 A

PKZM4-32MS165-3230 A 40 A

Test cabinet size
[Height x Width x
Depth] [mm (in)]

500 x 400 x 260

(19.7 x 15.7 x 10.2)

500 x 400 x 260

(19.7 x 15.7 x 10.2)

Minimum
cabinet
volume [L]

11 Accessories and Spare Parts

Accessories AccessoriesCode number

IP21/Type 1 conversion kit, MA01c

IP21/Type 1 conversion kit, MA02c

IP21/Type 1 conversion kit, MA01a

IP21/Type 1 conversion kit, MA02a

IP21/Type 1 conversion kit, MA03a

IP21/Type 1 conversion kit, MA04a

IP21/Type 1 conversion kit, MA05a

NEMA 1 conversion kit, MA01c

NEMA 1 conversion kit, MA02c

NEMA 1 conversion kit, MA01a

NEMA 1 conversion kit, MA02a

NEMA 1 conversion kit, MA03a

NEMA 1 conversion kit, MA04a

NEMA 1 conversion kit, MA05a

Spare parts Code number

Cooling fan

Spare parts kit

132G0188

132G0189 132G0203

132G0190 132G0204

132G0191 132G0205

132G0192 132G0206

132G0193 132G0207

132G0194

132G0195

132G0196

132G0197

132G0198

132G0199

132G0200

132G0201

Decoupling plate mounting kit, MA01c

Decoupling plate mounting kit, MA02c

Decoupling plate mounting kit, MA01a

Decoupling plate mounting kit, MA02/03a

Decoupling plate mounting kit, MA04/05a
Connector for common DC/brake resistor

HMI and related accessories

Harmonic and EMC filter

Brake resistors

dU/dt filter

Refer to the Design Guide.

Code number

132G0202

Not available
currently.

Refer to the
Design Guide.

12 Technical Documentation

Scan the QR code (or, after scanning the QR code, click Global English to
select your local region's website), and search iC2 to access more technical
documents.

Danfoss A/S

Ulsnaes 1
DK-6300 Graasten
drives.danfoss.com

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