Danfoss VLT AutomationDrive FC 301 User manual

MAKING MODERN LIVING POSSIBLE
Instruction Manual
VLT®AutomationDrive FC 301/302
0.25–75 kW
www.danfoss.com/drives

Contents
1 Introduction 4
1.1 Purpose of the Manual 4
1.2 Additional Resources 4
1.3 Document and Software Version 4
1.4 Product Overview 4
1.5 Enclosure Types and Power Ratings 7
1.6 Approvals and Certifications 7
1.7 Disposal Instruction 7
2 Safety 8
2.1 Safety Symbols 8
2.2 Qualified Personnel 8
2.3 Safety Precautions 8
3 Mechanical Installation 10
3.1 Unpacking 10
3.2 Installation Environments 10
3.3 Mounting 11
4 Electrical Installation 12
4.1 Safety Instructions 12
4.2 EMC-compliant Installation 12
4.3 Grounding 12
4.4 Wiring Schematic 13
4.5 Access 15
4.6 Motor Connection 15
4.7 AC Line Input Connection 16
4.8 Control Wiring 16
4.8.1 Control Terminal Types 17
4.8.2 Wiring to Control Terminals 18
4.8.3 Enabling Motor Operation
(Terminal 27) 19
4.8.4 Voltage/Current Input Selection (Switches) 19
4.8.5 Safe Torque Off (STO) 19
4.8.6 Mechanical Brake Control 19
4.8.7 RS-485 Serial Communication 20
4.9 Installation Check List 21
5 Commissioning 22
Contents Instruction Manual
MG33AN22 Danfoss A/S © Rev. 2014-02-10 All rights reserved.

5.1 Safety Instructions 22
5.2 Applying Power 22
5.3 Local Control Panel Operation 23
5.4 Basic Programming 26
5.4.1 Commissioning with SmartStart 26
5.4.2 Commissioning via [Main Menu] 26
5.4.3 Asynchronous Motor Set-up 27
5.4.4 PM Motor Set-up in VVCplus 27
5.4.5 Automatic Motor Adaptation (AMA) 29
5.5 Checking Motor Rotation 29
5.6 Checking Encoder Rotation 29
5.7 Local Control Test 30
5.8 System Start-up 30
6 Application Set-up Examples 31
7 Diagnostics and Troubleshooting 37
7.1 Maintenance and Service 37
7.2 Status Messages 37
7.3 Warning and Alarm Types 39
7.4 List of Warnings and Alarms 40
7.5 Troubleshooting 49
8 Specifications 51
8.1 Electrical Data 51
8.1.1 Line Power Supply 3x200–240 V AC 51
8.1.2 Line Power Supply 3x380–500 V AC 54
8.1.3 Line Power Supply 3x525–600 V AC (FC 302 only) 57
8.1.4 Line Power Supply 3x525–690 V AC (FC 302 only) 60
8.2 Line Power Supply 63
8.3 Motor Output and Motor Data 63
8.4 Ambient Conditions 64
8.5 Cable Specifications 64
8.6 Control Input/Output and Control Data 65
8.7 Fuses and Circuit Breakers 69
8.8 Connection Tightening Torques 76
8.9 Power Ratings, Weight and Dimensions 77
9 Appendix 79
9.1 Symbols, Abbreviations and Conventions 79
Contents Instruction Manual
Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG33AN22

9.2 Parameter Menu Structure 79
Index 85
Contents Instruction Manual
MG33AN22 Danfoss A/S © Rev. 2014-02-10 All rights reserved.

1 Introduction
1.1 Purpose of the Manual
This instruction manual provides information for safe
installation and commissioning of the adjustable frequency
drive.
This instruction manual is intended for use by qualified
personnel.
Read and follow the instruction manual to use the
adjustable frequency drive safely and professionally, and
pay particular attention to the safety instructions and
general warnings. Keep this instruction manual available
with the adjustable frequency drive at all times.
1.2 Additional Resources
Other resources are available to understand advanced
adjustable frequency drive functions and programming.
•The Programming Guide provides greater detail
on working with parameters and many
application examples.
•The Design Guide provides detailed information
about capabilities and functionality to design
motor control systems.
•Instructions for operation with optional
equipment.
Disclosure, duplication and sale of this document, as well
as communication of its content, are prohibited unless
explicitly permitted. Infringement of this prohibition incurs
liability for damages. All rights reserved with regard to
patents, utility patents and registered designs.
1.3 Document and Software Version
This manual is regularly reviewed and updated. All
suggestions for improvement are welcome. Table 1.1 shows
the document version and the corresponding software
version.
Edition Remarks Software version
MG33ANxx Replaces MG33AMxx 6.72
Table 1.1 Document and Software Version
1.4 Product Overview
1.4.1 Intended Use
The adjustable frequency drive is an electronic motor
controller intended for
•regulation of motor speed in response to system
feedback or to remote commands from external
controllers. A power drive system consists of the
adjustable frequency drive, the motor and
equipment driven by the motor.
•system and motor status surveillance.
The adjustable frequency drive can also be used for motor
protection.
Depending on configuration, the adjustable frequency
drive can be used in standalone applications or form part
of a larger appliance or installation.
The adjustable frequency drive is allowed for use in
residential, industrial and commercial environments in
accordance with local laws and standards.
NOTICE!
In a residential environment, this product can cause
radio interference, in which case supplementary
mitigation measures can be required.
Foreseeable misuse
Do not use the adjustable frequency drive in applications
which are non-compliant with specified operating
conditions and environments. Ensure compliance with the
conditions specified in chapter 8 Specifications.
Introduction Instruction Manual
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1

1.4.2 Exploded Views
1
23
4
5
6
7
8
9
10
11
12
13
14
8
15
16
17
18
130BB492.10
Figure 1.1 Exploded View Enclosure Type A, IP20
1Local control panel (LCP) 10 Motor output terminals 96 (U), 97 (V), 98 (W)
2 RS-485 serial bus connector (+68, -69) 11 Relay 2 (01, 02, 03)
3 Analog I/O connector 12 Relay 1 (04, 05, 06)
4 LCP input plug 13 Brake (-81, +82) and load sharing (-88, +89) terminals
5 Analog switches (A53), (A54) 14 Line power input terminals 91 (L1), 92 (L2), 93 (L3)
6 Cable shield connector 15 USB connector
7 Decoupling plate 16 Serial bus terminal switch
8 Grounding clamp (PE) 17 Digital I/O and 24 V power supply
9 Shielded cable grounding clamp and strain relief 18 Cover
Table 1.2 Legend to Figure 1.1
Introduction Instruction Manual
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11

1
2
3
4
5
6
7
8
9
10
11
12 13
16
17
18
19
14
15
FANMOUNTING
QDF-30
DC- DC+
Removejumper to activate Safe Stop
Max.24 Volt !
12 13 18 19 27 29 32 33 20
61 68 39 42 50 53 54
06 05 04 03 02 01
130BB493.10
Figure 1.2 Exploded View Enclosure Types B and C, IP55 and IP66
1Local control panel (LCP) 11 Relay 2 (04, 05, 06)
2 Cover 12 Lifting ring
3 RS-485 serial bus connector 13 Mounting slot
4 Digital I/O and 24 V power supply 14 Grounding clamp (PE)
5 Analog I/O connector 15 Cable shield connector
6 Cable shield connector 16 Brake terminal (-81, +82)
7 USB connector 17 Load sharing terminal (DC bus) (-88, +89)
8 Serial bus terminal switch 18 Motor output terminals 96 (U), 97 (V), 98 (W)
9 Analog switches (A53), (A54) 19 Line power input terminals 91 (L1), 92 (L2), 93 (L3)
10 Relay 1 (01, 02, 03)
Table 1.3 Legend to Figure 1.2
Introduction Instruction Manual
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1

1.4.3 Block Diagram of the Adjustable
Frequency Drive
Figure 1.3 is a block diagram of the adjustable frequency
drive's internal components. See Table 1.4 for their
functions.
Figure 1.3 Adjustable Frequency Drive Block Diagram
Area Title Functions
1 Line power input
•3-phase AC line power supply
to the adjustable frequency
drive
2 Rectifier
•The rectifier bridge converts
the AC input to DC current to
supply inverter power
3 DC bus •Intermediate DC bus circuit
handles the DC current
4 DC reactors
•Filter the intermediate DC
circuit voltage
•Prove line transient protection
•Reduce RMS current
•Raise the power factor
reflected back to the line
•Reduce harmonics on the AC
input
5 Capacitor bank
•Stores the DC power
•Provides ride-through
protection for short power
losses
6 Inverter
•Converts the DC into a
controlled PWM AC waveform
for a controlled variable
output to the motor
7 Output to motor •Regulated 3-phase output
power to the motor
Area Title Functions
8 Control circuitry
•Input power, internal
processing, output, and motor
current are monitored to
provide efficient operation
and control
•User interface and external
commands are monitored and
performed
•Status output and control can
be provided
Table 1.4 Legend to Figure 1.3
1.5 Enclosure Types and Power Ratings
For enclosure types and power ratings of the adjustable
frequency drives, refer to chapter 8.9 Power Ratings, Weight
and Dimensions.
1.6 Approvals and Certifications
Table 1.5 Approvals and Certifications
More approvals and certifications are available. Contact
local Danfoss partner. The T7 (525–690 V) adjustable
frequency drives are not certified for UL.
The adjustable frequency drive complies with UL508C
thermal memory retention requirements. For more
information, refer to the section Motor Thermal Protection
in the Design Guide.
1.7 Disposal Instruction
Do not dispose of equipment containing
electrical components together with
domestic waste.
Collect it separately in accordance with
local and currently valid legislation.
Table 1.6 Disposal Instruction
Introduction Instruction Manual
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11

2 Safety
2.1 Safety Symbols
The following symbols are used in this document.
WARNING
Indicates a potentially hazardous situation which could
result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation which could
result in minor or moderate injury. It may also be used
to alert against unsafe practices.
NOTICE!
Indicates important information, including situations that
may result in damage to equipment or property.
2.2 Qualified Personnel
Correct and reliable transport, storage, installation,
operation and maintenance are required for the trouble-
free and safe operation of the adjustable frequency drive.
Only qualified personnel is allowed to install or operate
this equipment.
Qualified personnel is defined as trained staff, who are
authorized to install, commission, and maintain equipment,
systems and circuits in accordance with pertinent laws and
regulations. Additionally, the personnel must be familiar
with the instructions and safety measures described in this
document.
2.3 Safety Precautions
WARNING
HIGH VOLTAGE!
Adjustable frequency drives contain high voltage when
connected to AC line input power. Installation, start-up,
and maintenance must be performed by qualified
personnel only. Failure to perform installation, start-up,
and maintenance by qualified personnel could result in
death or serious injury.
WARNING
UNINTENDED START!
When the adjustable frequency drive is connected to AC
line power, the motor may start at any time. The
adjustable frequency drive, motor, and any driven
equipment must be in operational readiness. Failure to
be in operational readiness when the adjustable
frequency drive is connected to AC line power could
result in death, serious injury, equipment or property
damage.
Safety Instruction Manual
8 Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG33AN22
22

WARNING
DISCHARGE TIME!
Adjustable frequency drives contain DC link capacitors
that can remain charged even when the adjustable
frequency drive is not powered. To avoid electrical
hazards, disconnect AC line power, any permanent
magnet type motors, and any remote DC link power
supplies, including battery backups, UPS and DC link
connections to other adjustable frequency drives. Wait
for the capacitors to discharge completely before
performing any service or repair work. The amount of
waiting time is listed in Table 2.1. Failure to wait the
specified time after power has been removed before
doing service or repair could result in death or serious
injury.
Voltage [V] Minimum waiting time [minutes]
4 7 15
200–240 0.34–5 hp
[0.25–3.7 kW]
7.5–50 hp
[5.5–37 kW]
380–500 0.34–10 hp
[0.25–7.5 kW]
15–100 hp
[11–75 kW]
525–600 1–10 hp
[0.75–7.5 kW]
15–100 hp
[11–75 kW]
525–690 2–10 hp
[1.5–7.5 kW]
15–100 hp
[11–75 kW]
High voltage may be present even when the warning LED
indicator lights are off.
Table 2.1 Discharge Time
WARNING
LEAKAGE CURRENT HAZARD!
Leakage currents are higher than 3.5 mA. It is the
responsibility of the user or certified electrical installer to
ensure correct grounding of the equipment. Failure to
ground the adjustable frequency drive properly could
result in death or serious injury.
WARNING
EQUIPMENT HAZARD!
Rotating shafts and electrical equipment can be
hazardous. All electrical work must conform to national
and local electrical codes. Installation, start-up, and
maintenance are performed only by trained and
qualified personnel. Failure to follow these guidelines
could result in death or serious injury.
WARNING
WINDMILLING!
Unintended rotation of permanent magnet motors
causes a risk of personal injury and equipment damage.
Ensure permanent magnet motors are blocked to
prevent unintended rotation.
CAUTION
POTENTIAL HAZARD IN THE EVENT OF
INTERNAL FAILURE!
Risk of personal injury when the adjustable frequency
drive is not properly closed. Before applying power,
ensure all safety covers are in place and securely
fastened.
Safety Instruction Manual
MG33AN22 Danfoss A/S © Rev. 2014-02-10 All rights reserved. 9
22

3 Mechanical Installation
3.1 Unpacking
3.1.1 Items Supplied
Items supplied may vary according to product configu-
ration.
•Make sure the items supplied and the
information on the nameplate correspond to the
order confirmation.
•Check the packaging and the adjustable
frequency drive visually for damage caused by
inappropriate handling during shipment. File any
claim for damage with the carrier. Retain
damaged parts for clarification.
130BD600.10
CHASSIS/ IP20 Tamb.50 C/122 F
V LT
MADE IN DENMARK
R
P/N: 131X3537 S/N: 010122G430
0.37kW/ 0.50HP
IN: 3x200-240V 50/60Hz 2.2A
OUT: 3x0-Vin 0-1000Hz 2.4A
o
CAUTION:
See manual for special condition/mains fuse
voir manual de conditions speclales/fusibles
WARNING:
Stored charge, wait 4 min.
Charge residuelle, attendez 4 min.
* 1 3 1
X
3 5 3 7 0 1 0 1 2 2 G 4 3 0 *
`
Automation Drive
www.danfoss.com
T/C: FC-302PK37T2E20H1BGXXXXSXXXXA6BKC4XXXD0
Listed 76X1 E134261 Ind. Contr. Eq.
o
`
1
2
4
5
6
78
9
10
3
Figure 3.1 Product Nameplate (Example)
1 Type code
2 Order number
3 Serial number
4 Power rating
5Input voltage, frequency and current (at low/high
voltages)
6Output voltage, frequency and current (at low/high
voltages)
7 Enclosure type and IP rating
8 Maximum ambient temperature
9 Certifications
10 Discharge time (Warning)
Table 3.1 Legend to Figure 3.1
NOTICE!
Do not remove the nameplate from the adjustable
frequency drive (loss of warranty).
3.1.2 Storage
Ensure that requirements for storage are fulfilled. Refer to
chapter 8.4 Ambient Conditions for further details.
3.2 Installation Environments
NOTICE!
In environments with airborne liquids, particles, or
corrosive gases, ensure that the IP/Type rating of the
equipment matches the installation environment. Failure
to meet requirements for ambient conditions can reduce
lifetime of the adjustable frequency drive. Ensure that
requirements for air humidity, temperature and altitude
are met.
Vibration and Shock
The adjustable frequency drive complies with requirements
for units mounted on the walls and floors of production
premises, as well as in panels bolted to walls or floors.
For detailed ambient conditions specifications, refer to
chapter 8.4 Ambient Conditions.
Mechanical Installation Instruction Manual
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33

3.3 Mounting
NOTICE!
Improper mounting can result in overheating and
reduced performance.
Cooling
•Ensure that top and bottom clearance for air
cooling is provided. See Figure 3.2 for clearance
requirements.
a
a
130BD528.10
Figure 3.2 Top and Bottom Cooling Clearance
Enclosure A1-A5 B1-B4 C1, C3 C2, C4
a (ins [mm]) 4 [100] 8 [200] 8 [200] 9 [225]
Table 3.2 Minimum Airflow Clearance Requirements
Lifting
•To determine a safe lifting method, check the
weight of the unit, see chapter 8.9 Power Ratings,
Weight and Dimensions.
•Ensure that the lifting device is suitable for the
task.
•If necessary, plan for a hoist, crane, or forklift with
the appropriate rating to move the unit.
•For lifting, use hoist rings on the unit, when
provided.
Mounting
1. Ensure that the strength of the mounting location
supports the unit weight. The adjustable
frequency drive allows side-by-side installation.
2. Locate the unit as near to the motor as possible.
Keep the motor cables as short as possible.
3. Mount the unit vertically on a solid flat surface or
on the optional backplate.
4. Use the slotted mounting holes on the unit for
wall mounting, when provided.
Mounting with backplate and railings
130BD504.10
Figure 3.3 Proper Mounting with Backplate
NOTICE!
Backplate is required when mounted on railings.
Mechanical Installation Instruction Manual
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33

4 Electrical Installation
4.1 Safety Instructions
See chapter 2 Safety for general safety instructions.
WARNING
INDUCED VOLTAGE!
Induced voltage from output motor cables that run
together can charge equipment capacitors even with the
equipment turned off and locked out. Failure to run
output motor cables separately or use shielded cables or
metal conduits could result in death or serious injury.
CAUTION
DC CURRENT HAZARD!
A DC current in the protective grounding conductor can
be caused by the adjustable frequency drives. When a
residual current-operated protective or monitoring
device (RCD/RCM) is used for protection, only an RCD or
RCM of Type B is allowed.
NOTICE!
The adjustable frequency drive is supplied with Class 20
motor overload protection.
Overcurrent Protection:
•Additional protective equipment such as short-
circuit protection or motor thermal protection
between adjustable frequency drive and motor is
required for applications with multiple motors.
•Input fusing is required to provide short-circuit
and overcurrent protection. If not factory-
supplied, fuses must be provided by the installer.
See maximum fuse ratings in chapter 8.7 Fuses
and Circuit Breakers.
Wire Type and Ratings
•All wiring must comply with local and national
regulations regarding cross-section and ambient
temperature requirements.
•Power connection wire recommendation:
minimum 167 °F [75 °C] rated copper wire.
See chapter 8.1 Electrical Data and chapter 8.5 Cable Specifi-
cations for recommended wire sizes and types.
4.2 EMC-compliant Installation
To obtain an EMC-compliant installation, follow the
instructions provided in chapter 4.3 Grounding,
chapter 4.4 Wiring Schematic, chapter 4.6 Motor Connection,
and chapter 4.8 Control Wiring.
4.3 Grounding
WARNING
LEAKAGE CURRENT HAZARD!
Leakage currents are higher than 3.5 mA. It is the
responsibility of the user or certified electrical installer to
ensure correct grounding of the equipment. Failure to
ground the adjustable frequency drive properly could
result in death or serious injury.
For electrical safety
•Ground the adjustable frequency drive properly
in accordance with applicable standards and
directives.
•Use a dedicated ground wire for input power,
motor power and control wiring.
•Do not ground one adjustable frequency drive to
another in a “daisy chain” fashion.
•Keep the ground wire connections as short as
possible.
•Follow the motor manufacturer wiring
requirements.
•Minimum cable cross-section: 0.016 in2[10 mm2]
(or 2 rated ground wires terminated separately).
For EMC-compliant installation
•Establish electrical contact between cable shield
and adjustable frequency drive enclosure by
using metal cable connectors or by using the
clamps provided on the equipment (see Figure 4.5
and Figure 4.6).
•Use high-strand wire to reduce electrical
interference.
•Do not use pigtails.
Electrical Installation Instruction Manual
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44

NOTICE!
POTENTIAL EQUALIZATION!
Electrical interference risks disturbing the entire installation when the ground potential between the adjustable
frequency drive and the system is different. To avoid electrical interference, install equalizing cables between the
system components. Recommended cable cross-section: 0.0252[16 mm2].
4.4 Wiring Schematic
130BD599.10
3-phase
power
input
DC bus Switch Mode
Power Supply
Motor
Analog Output
Interface
relay1
relay2
ON=Terminated
OFF=Open
Brake
resistor
91 (L1)
92 (L2)
93 (L3)
PE
88 (-)
89 (+)
50 (+10 V OUT)
53 (A IN)
54 (A IN)
55 (COM A IN)
0/4-20 mA
12 (+24 V OUT)
13 (+24 V OUT)
37 (D IN)
18 (D IN)
20 (COM D IN)
10 V DC
15 mA 130/200 mA
+ - + -
(U) 96
(V) 97
(W) 98
(PE) 99
(COM A OUT) 39
(A OUT) 42
(P RS-485) 68
(N RS-485) 69
(COM RS-485) 61
0 V
5V
S801
0/4-20 mA
RS-485
RS-485
03
+10 V DC
0/-10 V DC -
+10 V DC
+10 V DC
0/4-20 mA
0/-10 V DC-
240 V AC, 2 A
24 V DC
02
01
05
04
06
24 V (NPN)
0 V (PNP)
0 V (PNP)
24 V (NPN)
19 (D IN)
24 V (NPN)
0 V (PNP)
27
24 V
0 V
(D IN/OUT)
0 V (PNP)
24 V (NPN)
(D IN/OUT)
0 V
24 V
29
24 V (NPN)
0 V (PNP)
0 V (PNP)
24 V (NPN)
33 (D IN)
32 (D IN)
1 2
ON
S201
ON
21
S202
ON=0/4-20 mA
OFF=0/-10 V DC -
+10 V DC
95
P 5-00
21
ON
S801
(R+) 82
(R-) 81
: Chassis
: Ground
**
240 V AC, 2 A
400 V AC, 2 A
*
*
*
Figure 4.1 Basic Wiring Schematic
A=Analog, D=Digital
*Terminal 37 (optional) is used for Safe Torque Off. For Safe Torque Off installation instructions, refer to the Safe Torque Off
Instruction Manual for Danfoss VLT
®
Adjustable Frequency Drives. Terminal 37 is not included in FC 301 (except enclosure type
A1). Relay 2 and terminal 29 have no function in FC 301.
**Do not connect cable shield.
Electrical Installation Instruction Manual
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44

130BD529.11
1
2
3
4
5
6
7
8
PE
U
V
W
9
L1
L2
L3
PE
10
11
Figure 4.2 EMC--compliant Electrical Connection
1PLC 6 Cable connector
2 Adjustable frequency drive 7 Motor, 3--phase and PE (shielded)
3 Output contactor 8 Line power, 3--phase and reinforced PE (non-shielded)
4 Cable clamp 9 Control wiring (shielded)
5 Cable insulation (stripped) 10 Potential equalization min. 16 mm2(0.025 in2)
Table 4.1 Legend to Figure 4.2
NOTICE!
EMC INTERFERENCE!
Run cables for input power, motor wiring and control wiring in three separate metallic conduits. Failure to isolate
power, motor and control cables can result in unintended behavior or reduced performance. Minimum 200 mm (8 in)
clearance between power, motor and control cables.
Electrical Installation Instruction Manual
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44

4.5 Access
•Remove cover with a screwdriver (See Figure 4.3)
or by loosening attaching screws (See Figure 4.4).
130BT248.10
Figure 4.3 Access to Wiring for IP20 and IP21 Enclosures
130BT334.10
Figure 4.4 Access to Wiring for IP55 and IP66 Enclosures
See Table 4.2 before tightening covers.
Enclosure IP55 IP66
A4/A5 2 2
B1/B2 2.2 2.2
C1/C2 2.2 2.2
No screws to tighten for A1/A2/A3/B3/B4/C3/C4.
Table 4.2 Tightening Torques for Covers [Nm]
4.6 Motor Connection
WARNING
INDUCED VOLTAGE!
Induced voltage from output motor cables that run
together can charge equipment capacitors even with the
equipment turned off and locked out. Failure to run
output motor cables separately or use shielded cables or
metal conduits could result in death or serious injury.
•Comply with local and national electrical codes
for cable sizes. For maximum wire sizes, see
chapter 8.1 Electrical Data.
•Follow the motor manufacturer wiring
requirements.
•Motor wiring knockouts or access panels are
provided at the base of IP21 (NEMA1/12) and
higher units.
•Do not wire a starting or pole-changing device
(e.g., Dahlander motor or slip ring induction
motor) between the adjustable frequency drive
and the motor.
Procedure
1. Strip a section of the outer cable insulation.
2. Position the stripped wire under the cable clamp
to establish mechanical fixation and electrical
contact between cable shield and ground.
3. Connect ground wire to the nearest grounding
terminal in accordance with grounding
instructions provided in chapter 4.3 Grounding,
see Figure 4.5.
4. Connect the 3-phase motor wiring to terminals
96 (U), 97 (V), and 98 (W), see Figure 4.5.
5. Tighten terminals in accordance with the
information provided in chapter 8.8 Connection
Tightening Torques.
Electrical Installation Instruction Manual
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44

130BD531.10
U
VW
96
97
98
Figure 4.5 Motor Connection
Figure 4.6 represents line power input, motor, and
grounding for basic adjustable frequency drives. Actual
configurations vary with unit types and optional
equipment.
95
130BB920.10
+DC
BR- B
MAINS
L1 L2 L3
91 92 93
RELAY 1 RELAY 2
99
- LC -
U V W
MOTOR
99
Figure 4.6 Example of Motor, Line Power and Ground Wiring
4.7 AC Line Input Connection
•Size wiring based upon the input current of the
adjustable frequency drive. For maximum wire
sizes, see chapter 8.1 Electrical Data.
•Comply with local and national electrical codes
for cable sizes.
Procedure
1. Connect 3-phase AC input power wiring to
terminals L1, L2, and L3 (see Figure 4.6).
2. Depending on the configuration of the
equipment, input power is connected to the line
power input terminals or the input disconnect.
3. Ground the cable in accordance with grounding
instructions provided in chapter 4.3 Grounding.
4. When supplied from an isolated line power
source (IT line power or floating delta) or TT/TN-S
line power with a grounded leg (grounded delta),
ensure that 14-50 RFI 1 is set to OFF to avoid
damage to the intermediate circuit and to reduce
ground capacity currents in accordance with IEC
61800-3.
4.8 Control Wiring
•Isolate control wiring from high power
components in the adjustable frequency drive.
•When the adjustable frequency drive is
connected to a thermistor, ensure that the
thermistor control wiring is shielded and
reinforced/double insulated. A 24 V DC supply
voltage is recommended.
Electrical Installation Instruction Manual
16 Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG33AN22
44

4.8.1 Control Terminal Types
Figure 4.7 and Figure 4.8 show the removable adjustable
frequency drive connectors. Terminal functions and default
settings are summarized in Table 4.3 and Table 4.4.
2
3
4
1
130BB921.11
Figure 4.7 Control Terminal Locations
12 13 18 19 27 29 32 33 20 37
39 42 50 53 54 55
61 68 69
130BB931.10
1
2 3
Figure 4.8 Terminal Numbers
•Connector 1 provides four programmable digital
inputs terminals, two additional digital terminals
programmable as either input or output, a 24 V
DC terminal supply voltage, and a common for
optional customer supplied 24 V DC voltage. FC
302 and FC 301 (optional in A1 enclosure) also
provide a digital input for STO (Safe Torque Off)
function
•Connector 2 terminals (+)68 and (-)69 for RS-485
serial communication connection
•Connector 3 provides two analog inputs, one
analog output, 10 V DC supply voltage, and
commons for the inputs and output
•Connector 4 is a USB port available for use with
the MCT 10 Set-up Software
Terminal description
Terminal Parameter
Default
setting Description
Digital inputs/outputs
12, 13 - +24 V DC 24 V DC supply
voltage for digital
inputs and external
transducers. Maximum
output current 200
mA
(130 mA for FC 301)
for all 24 V loads.
18 5-10 [8] Start
Digital inputs.
19 5-11 [10] Reversing
32 5-14 [0] No
operation
33 5-15 [0] No
operation
27 5-12 [2] Coast
inverse
For digital input or
output. Default setting
is input.
29 5-13 [14] JOG
20 - Common for digital
inputs and 0 V
potential for 24 V
supply.
37 - Safe Torque
Off (STO)
Safe input. Used for
STO.
Analog inputs/outputs
39 - Common for analog
output.
42 6-50 [0] No
operation
Programmable analog
output. 0-20 mA or
4-20 mA at a
maximum of 500 Ω
50 - +10 V DC 10 V DC analog
supply voltage for
potentiometer or
thermistor. 15 mA
maximum
53 6-1* Reference Analog input. For
voltage or current.
Switches A53 and A54
select mA or V.
54 6-2* Feedback
55 - Common for analog
input.
Table 4.3 Terminal Description Digital Inputs/Outputs,
Analog Inputs/Outputs
Electrical Installation Instruction Manual
MG33AN22 Danfoss A/S © Rev. 2014-02-10 All rights reserved. 17
44

Terminal description
Terminal Parameter
Default
setting Description
Serial communication
61 - Integrated RC filter for
cable shield. ONLY for
connecting the shield
in the event of EMC
problems.
68 (+) 8-3* RS-485 Interface. A
control card switch is
provided for
termination resistance.
69 (-) 8-3*
Relays
01, 02, 03 5-40 [0]
[0] No
operation
Form C relay output.
For AC or DC voltage
and resistive or
inductive loads.
04, 05, 06 5-40 [1] [0] No
operation
Table 4.4 Terminal Description Serial Communication
Additional terminals:
•two form C relay outputs. Location of the outputs
depends on adjustable frequency drive configu-
ration.
•Terminals located on built-in optional equipment.
See the manual provided with the equipment
option.
4.8.2 Wiring to Control Terminals
Control terminal connectors can be unplugged from the
adjustable frequency drive for ease of installation, as
shown in Figure 4.7.
NOTICE!
Keep control wires as short as possible and separate
from high power cables to minimize interference.
1. Open the contact by inserting a small screwdriver
into the slot above the contact and push the
screwdriver slightly upwards.
130BD546.10
2
1
10 mm
29
27 32
19
18
13
12 33
Figure 4.9 Connecting Control Wires
2. Insert the bared control wire into the contact.
3. Remove the screwdriver to fasten the control wire
into the contact.
4. Ensure the contact is firmly established and not
loose. Loose control wiring can be the source of
equipment faults or less than optimal operation.
See chapter 8.5 Cable Specifications for control terminal
wiring sizes and chapter 6 Application Set-up Examples for
typical control wiring connections.
Electrical Installation Instruction Manual
18 Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG33AN22
44