ABB ACS880-01 Series User manual

—
ABB INDUSTRIAL DRIVES
ACS880-01 drives
Hardware manual

ACS880-01 drives
Hardware manual
Table of contents
1. Safety instructions
4. Mechanical installation
6. Electrical installation – IEC
7. Electrical installation – North
America
10. Start-up
3AUA0000078093 Rev P
EN
EFFECTIVE: 2020-07-31

Table of contents
1 Safety instructions
15Contents of this chapter ......................................................................................
15Use of warnings and notes .................................................................................
16General safety in installation, start-up and maintenance ....................................
17Electrical safety in installation, start-up and maintenance ..................................
17Electrical safety precautions ........................................................................
18Additional instructions and notes .................................................................
19Optical components ..........................................................................
19Printed circuit boards ........................................................................
19Grounding ....................................................................................................
21General safety in operation .................................................................................
21Additional instructions for permanent magnet motor drives ................................
21Safety in installation, start-up, maintenance ................................................
22Safety in operation .......................................................................................
2 Introduction to the manual
23Contents of this chapter ......................................................................................
23Applicability .........................................................................................................
23Target audience ..................................................................................................
23Categorization by frame size and option code ....................................................
24Quick installation, commissioning and operation flowchart ................................
25Terms and abbreviations .....................................................................................
26Related manuals .................................................................................................
3 Operation principle and hardware description
29Contents of this chapter ......................................................................................
29Product overview ................................................................................................
30Main circuit ...................................................................................................
31Layout ..........................................................................................................
31IP21, UL Type 1 ................................................................................
32IP55 (option +B056) ..........................................................................
33UL Type 12 (option +B056) ...............................................................
33IP20 (UL Type Open, options +P940 and +P944) ............................
34Overview of power and control connections ................................................
35Control panel ................................................................................................
35Control panel mounting platform cover .............................................
35Control panel door mounting kits ......................................................
36Type designation label ........................................................................................
Table of contents 5

36Type designation key ..........................................................................................
37Basic code ....................................................................................................
37Option codes ................................................................................................
4 Mechanical installation
41Contents of this chapter ......................................................................................
41Safety ..................................................................................................................
42Mounting orientations ..........................................................................................
42Required free space ............................................................................................
42Examining the installation site ............................................................................
43Required tools .....................................................................................................
43Moving the drive ..................................................................................................
43Unpacking and examining the delivery ...............................................................
44Package of frames R1 to R5 ...............................................................................
46Frame R5 cable box (IP21, UL Type 1) .......................................................
47Package of frames R6 and R7 ............................................................................
49Frame R6 cable box (IP21, UL Type 1) .......................................................
50Frame R7 cable box (IP21, UL Type 1) .......................................................
51Package of frames R8 and R9 ............................................................................
53Frame R8 cable box (IP21, UL Type 1) .......................................................
54Frame R9 cable box (IP21, UL Type 1) .......................................................
54Installing the drive ...............................................................................................
54Vibration dampers (option +C131) ...............................................................
55Flange mounting (option +C135) .................................................................
55UK gland plate (option +H358) .....................................................................
55Cabinet installation (options +P940 and +P944) ..........................................
56Frames R1 to R4 (IP21, UL Type 1) ............................................................
57Frames R5 to R9 (IP21, UL Type 1) ............................................................
59Frames R1 to R9 (IP55, UL Type 12) ..........................................................
5 Guidelines for planning the electrical installation
61Contents of this chapter ......................................................................................
61Limitation of liability .............................................................................................
61Selecting the main supply disconnecting device ................................................
62European Union ...........................................................................................
62North America ..............................................................................................
62Other regions ...............................................................................................
62Selecting the main contactor ..............................................................................
62Examining the compatibility of the motor and drive ............................................
63Protecting the motor insulation and bearings ...............................................
63Requirements table ......................................................................................
66Availability of du/dtfilter and common mode filter by drive type .......
66Additional requirements for explosion-safe (EX) motors ..................
6 Table of contents

66
Additional requirements for ABB motors of types other than M2_,
M3_, M4_, HX_ and AM_ .................................................................
66Additional requirements for braking applications ..............................
66Additional requirements for ABB high-output and IP23 motors ........
67Additional requirements for non-ABB high-output and IP23 motors ..
68
Additional data for calculating the rise time and the peak line-to-line
voltage ..............................................................................................
69Additional note for sine filters ...........................................................
69Selecting the power cables .................................................................................
69General guidelines .......................................................................................
70Typical power cable sizes ............................................................................
71Power cable types ........................................................................................
71Preferred power cable types .............................................................
72Alternate power cable types .............................................................
73Not allowed power cable types .........................................................
73Additional guidelines, North America ...........................................................
74Metal conduit ....................................................................................
74Power cable shield .......................................................................................
75Selecting the control cables ................................................................................
75Shielding ......................................................................................................
75Signals in separate cables ...........................................................................
75Signals that can be run in the same cable ...................................................
75Relay cable ..................................................................................................
75Control panel to drive cable .........................................................................
75PC tool cable ................................................................................................
76Routing the cables ..............................................................................................
76General guidelines – IEC .............................................................................
76General guidelines – North America ............................................................
77
Continuous motor cable shield/conduit or enclosure for equipment on the
motor cable ..................................................................................................
78Separate control cable ducts .......................................................................
78Implementing short-circuit and thermal overload protection ...............................
78Protecting the drive and the input power cable in short-circuits ...................
79Protecting the motor and motor cable in short-circuits .................................
79Protecting the motor cables against thermal overload .................................
79Protecting the motor against thermal overload ............................................
79
Protecting the motor against overload without thermal model or temperature
sensors using an external overload device ..................................................
80Protecting the drive against ground faults ..........................................................
80Residual current device compatibility ...........................................................
80Connecting drives to a common DC system .......................................................
80Implementing the emergency stop function ........................................................
80Implementing the Safe torque off function ..........................................................
80Implementing the functions provided by the FSO-xx safety functions module ....
81Implementing an ATEX-certified motor thermal protection .................................
Table of contents 7

81Implementing the Power-loss ride-through function ...........................................
81Using power factor compensation capacitors with the drive ...............................
82Controlling a contactor between drive and motor ...............................................
82Implementing a bypass connection ....................................................................
83Example bypass connection ........................................................................
85Switching the motor power supply from drive to direct-on-line .........
85Switching the motor power supply from direct-on-line to drive .........
85Protecting the contacts of relay outputs ..............................................................
86Implementing a motor temperature sensor connection ......................................
87Connecting motor temperature sensor to the drive via an option module ....
88Connection of motor temperature sensor to the drive via a relay ................
88PTC (IEC 60800-5-1) ........................................................................
88Pt100 (IEC 90800-5-1) ......................................................................
6 Electrical installation – IEC
89Contents of this chapter ......................................................................................
89Safety ..................................................................................................................
89Required tools .....................................................................................................
89Grounding the motor cable shield at the motor end ............................................
90Measuring the insulation .....................................................................................
90Measuring the insulation of the drive ...........................................................
90Measuring the insulation of the input power cable .......................................
90Measuring the insulation of the motor and motor cable ...............................
91Measuring the insulation of the brake resistor circuit ...................................
91Grounding system compatibility check ...............................................................
92Corner-grounded and midpoint-grounded 525…690 V delta systems ........
92Connecting the power cables .............................................................................
92Connection diagram .....................................................................................
94Connection procedure for frames R1 to R3 .................................................
97Connection procedure for frames R4 and R5 ..............................................
102Connection procedure for frames R6 to R9 .................................................
108Connecting the control cables ............................................................................
108Connection process .....................................................................................
110Connecting a PC .................................................................................................
110Panel bus (control of several units from one control panel) ................................
114Installing option modules ....................................................................................
115Installing FSO-xx safety functions modules .................................................
116Installation procedure .......................................................................
7 Electrical installation – North America
117Contents of this chapter ......................................................................................
117Safety ..................................................................................................................
117Required tools .....................................................................................................
117Measuring the insulation .....................................................................................
8 Table of contents

118Grounding system compatibility check ...............................................................
118Corner-grounded and midpoint-grounded 525…690 V delta systems ........
118Connecting the power cables .............................................................................
118Connection diagram with conduits ...............................................................
120Connection procedure for frames R1 to R3 .................................................
123Connection procedure for frames R4 and R5 ..............................................
127Connection procedure for frames R6 to R9 .................................................
131Connecting the control cables ............................................................................
131Connection procedure for frames R1 to R3 .................................................
133Connection procedure for frames R4 to R5 .................................................
134Connection procedure for frames R6 to R9 .................................................
137Connecting a PC .................................................................................................
137Panel bus (control of several units from one control panel) ................................
140Installing option modules ....................................................................................
8 Control units of the drive
141Contents of this chapter ......................................................................................
142ZCU-12 layout .....................................................................................................
143Default I/O diagram of the drive control unit (ZCU-1x) .......................................
145Additional information on the connections ..........................................................
145External power supply for the control unit (XPOW) .....................................
145DI6 as a PTC sensor input ...........................................................................
145AI1 or AI2 as a Pt100, Pt1000, PTC or KTY84 sensor input .......................
146DIIL input ......................................................................................................
146The XD2D connector ...................................................................................
147Safe torque off (XSTO) ................................................................................
147FSO-xx safety functions module connection (X12) ......................................
148Connector data ...................................................................................................
150ZCU-1x ground isolation diagram ................................................................
9 Installation checklist
151Contents of this chapter ......................................................................................
151Checklist .............................................................................................................
10 Start-up
155Contents of this chapter ......................................................................................
155Start-up procedure ..............................................................................................
11 Fault tracing
157Contents of this chapter ......................................................................................
157LEDs ...................................................................................................................
157Warning and fault messages ........................................................................
Table of contents 9

12 Maintenance
159Contents of this chapter ......................................................................................
159Maintenace intervals ...........................................................................................
160Descriptions of symbols ...............................................................................
160Recommended annual maintenance actions by the user ............................
160Recommended maintenance intervals after start-up ...................................
160Heatsink ..............................................................................................................
161Fans ....................................................................................................................
162Replacing the main cooling fan of frames R1 to R3 .....................................
163Replacing the auxiliary cooling fan of IP55 frames R1 to R3 .......................
165Replacing the main cooling fan of frames R4 and R5 ..................................
166Replacing the auxiliary cooling fan of frames R4 and R5 ............................
168Replacing the main cooling fan of frames R6 to R8 .....................................
169Replacing the auxiliary cooling fan of frames R6 to R9 (IP21, UL Type 1) ...
170
Replacing the auxiliary cooling fan of frames R8 and R9 (IP55, UL Type
12) ................................................................................................................
172Replacing the main cooling fans of frame R9 ..............................................
172Replacing the drive (IP21, UL Type 1, frames R1 to R9) ....................................
174Capacitors ...........................................................................................................
174Reforming the capacitors .............................................................................
174Control panel .......................................................................................................
174Control unit ..........................................................................................................
174Replacing the memory unit of ZCU-12 .........................................................
175Replacing the ZCU-12 control unit battery ...................................................
175
Replacing safety functions modules (FSO-12, option +Q973 and FSO-21, option
+Q972) ................................................................................................................
13 Technical data
177Contents of this chapter ......................................................................................
177Marine type-approved drives (option +C132) .....................................................
177Drives for SynRM motors ....................................................................................
177Ratings ................................................................................................................
183Definitions ....................................................................................................
184Derating ..............................................................................................................
184Surrounding air temperature derating ..........................................................
184IP21 (UL Type 1) drives and IP55 (UL Type 12) frames R1…R7 .....
184IP55 (UL Type 12) frames R8 and R9 ..............................................
186Altitude derating ...........................................................................................
186Altitude derating ................................................................................
187Deratings for special settings in the drive control program ..........................
187Ex motor, sine filter, low noise ..........................................................
190Definitions .........................................................................................
192Definitions .........................................................................................
193High speed mode ..............................................................................
10 Table of contents

195Definitions .........................................................................................
196Fuses (IEC) .........................................................................................................
196aR fuses DIN 43653 stud-mount (frames R1 to R9) ....................................
200aR fuses DIN 43620 blade style (frames R1 to R9) .....................................
203gG fuses DIN 43620 blade style (frames R1 to R9) .....................................
206Quick guide for selecting between gG and aR fuses ...................................
209Calculating the short-circuit current of the installation .................................
210Calculation example .........................................................................
210Fuses (UL) ..........................................................................................................
213Circuit breakers (IEC) .........................................................................................
213ABB miniature and molded case circuit breakers ........................................
216Circuit breakers (UL) ...........................................................................................
216ABB inverse time circuit breakers ................................................................
217Dimensions, weights and free space requirements ............................................
219Definitions ....................................................................................................
219Package dimensions ....................................................................................
220Free space requirements ....................................................................................
220Losses, cooling data and noise ..........................................................................
222Cooling air flow and heat dissipation for flange mounting (option +C135) .........
225Connector and entry data for the power cables ..................................................
225IEC ...............................................................................................................
226UL .................................................................................................................
227UL listed cable lugs and tools ...........................................................
228Connector data for the control cables .................................................................
228Typical power cable sizes ...................................................................................
231Electrical power network specification ................................................................
232Motor connection data ........................................................................................
233Efficiency .............................................................................................................
233Protection classes ...............................................................................................
233Ambient conditions ..............................................................................................
235Materials .............................................................................................................
236Applicable standards ...........................................................................................
237Markings .............................................................................................................
238Compliance with the EN 61800-3:204 + A1:2012 ...............................................
238Definitions ....................................................................................................
238Category C2 .................................................................................................
239Category C3 .................................................................................................
239Category C4 .................................................................................................
240UL and CSA checklist .........................................................................................
241Approvals ............................................................................................................
242Design lifetime expectancy .................................................................................
242Disclaimers .........................................................................................................
242Generic disclaimer .......................................................................................
242Cybersecurity disclaimer ..............................................................................
Table of contents 11

14 Dimension drawings
243Contents of this chapter ......................................................................................
244Frame R1 (IP21, UL Type 1) ...............................................................................
245Frame R1 (IP55, UL Type 12) .............................................................................
246Frame R2 (IP21, UL Type 1) ...............................................................................
247Frame R2 (IP55, UL Type 12) .............................................................................
248Frame R3 (IP21, UL Type 1) ...............................................................................
249Frame R3 (IP55, UL Type 12) .............................................................................
250Frame R4 (IP21, UL Type 1) ...............................................................................
251Frame R4 (IP55, UL Type 12) .............................................................................
252Frame R5 (IP21, UL Type 1) ...............................................................................
253Frame R5 (IP55, UL Type 12) .............................................................................
254Frame R6 (IP21, UL Type 1) ...............................................................................
255Frame R6 (IP55, UL Type 12) .............................................................................
256Frame R7 (IP21, UL Type 1) ...............................................................................
257Frame R7 (IP55, UL Type 12) .............................................................................
258Frame R8 (IP21, UL Type 1) ...............................................................................
259Frame R8 (IP55, UL Type 12) .............................................................................
260Frame R9 (IP21, UL Type 1) ...............................................................................
261Frame R9 (IP55, UL Type 12) .............................................................................
15 Resistor braking
263Contents of this chapter ......................................................................................
263Operation principle and hardware description ....................................................
263Planning the braking system ...............................................................................
263Selecting the brake circuit components .......................................................
264Selecting a custom resistor ..........................................................................
265Selecting and routing the brake resistor cables ...........................................
265Minimizing electromagnetic interference ..........................................
265Maximum cable length .................................................................................
265EMC compliance of the complete installation ..............................................
265Placing the brake resistors ...........................................................................
266Protecting the system against thermal overload ..........................................
266Frames R1 to R4 ..............................................................................
266Frames R5 to R9 ..............................................................................
267Protecting the resistor cable against short-circuits ...........................
267Mechanical installation ........................................................................................
267Electrical installation ...........................................................................................
267Measuring the insulation of the assembly ....................................................
267Connection diagram .....................................................................................
267Connection procedure ..................................................................................
268Start-up ...............................................................................................................
268Technical data .....................................................................................................
268Ratings .........................................................................................................
12 Table of contents

271Degree of protection and thermal constant of the resistor ...........................
272Dimensions and weights of external resistors ....................................................
272JBR-03 .........................................................................................................
273SACE08RE44 ..............................................................................................
274SACE15RE13 and SACE15RE2 .................................................................
274SAFUR80F500 and SAFUR90F575 ............................................................
275SAFUR125F500 and SAFUR200F500 ........................................................
16 The Safe torque off function
277Contents of this chapter ......................................................................................
277Description ..........................................................................................................
278Compliance with the European Machinery Directive ...................................
279Wiring ..................................................................................................................
279Activation switch ...........................................................................................
279Cable types and lengths ..............................................................................
279Grounding of protective shields ...................................................................
280Single drive (internal power supply) .............................................................
280Dual-channel connection ..................................................................
281Single-channel connection ...............................................................
282Multiple drives ..............................................................................................
282Internal power supply ........................................................................
283External power supply ......................................................................
284Operation principle ..............................................................................................
285Start-up including acceptance test ......................................................................
285Competence .................................................................................................
285Acceptance test reports ...............................................................................
285Acceptance test procedure ..........................................................................
287Use ......................................................................................................................
288Maintenance .......................................................................................................
288Competence .................................................................................................
289Fault tracing ........................................................................................................
290Safety data ..........................................................................................................
292Abbreviations ...............................................................................................
293TÜV certificate ..............................................................................................
294Declaration of conformity .............................................................................
17 Filters
295Contents of this chapter ......................................................................................
295When is a common mode filter or du/dtfilter needed? .......................................
295Common mode filters ..........................................................................................
296du/dtfilters ..........................................................................................................
296du/dtfilter types ............................................................................................
296Description, installation and technical data of the du/dtfilters .....................
Table of contents 13

297Sine filters ...........................................................................................................
297Selecting a sine filter for a drive ...................................................................
299Definitions ....................................................................................................
299Derating ............................................................................................
299Description, installation and technical data ......................................
Further information
14 Table of contents

1
Safety instructions
Contents of this chapter
This chapter contains the safety instructions which you must obey when you install,
start up, operate and do maintenance work on the drive. If you ignore the safety
instructions, injury, death or damage can occur.
Use of warnings and notes
Warnings tell you about conditions which can cause injury or death, or damage to the
equipment. They also tell you how to prevent the danger. Notes draw attention to a
particular condition or fact, or give information on a subject.
The manual uses these warning symbols:
WARNING!
Electricity warning tells about hazards from electricity which can cause injury or
death, or damage to the equipment.
WARNING!
General warning tells about conditions, other than those caused by electricity,
which can cause injury or death, or damage to the equipment.
WARNING!
Electrostatic sensitive devices warning tells you about the risk of electrostatic
discharge which can cause damage to the equipment.
Safety instructions 15

General safety in installation, start-up and maintenance
These instructions are for all personnel who do work on the drive.
WARNING!
Obey these instructions. If you ignore them, injury or death, or damage to the
equipment can occur.
• Keep the drive in its package until you install it. After unpacking, protect the drive
from dust, debris and moisture.
• Use the required personal protective equipment: safety shoes with metal toe cap,
safety glasses, protective gloves and long sleeves, etc. Some parts have sharp
edges.
• Lift a heavy drive with a lifting device. Use the designated lifting points. See the
dimension drawings.
• Be careful when handling a tall module. The module overturns easily because it is
heavy and has a high center of gravity. Whenever possible, secure the module with
chains. Do not leave an unsupported module unattended especially on a sloping
floor.
• Beware of hot surfaces. Some parts, such as heatsinks of power semiconductors,
and brake resistors, remain hot for a while after disconnection of the electrical supply.
• Vacuum clean the area around the drive before the start-up to prevent the drive
cooling fan from drawing the dust inside the drive.
• Make sure that debris from drilling, cutting and grinding does not enter the drive
during the installation. Electrically conductive debris inside the drive may cause
damage or malfunction.
• Make sure that there is sufficient cooling. See the technical data.
• Before you connect voltage to the drive, make sure that all covers are in place. Do
not remove the covers when voltage is connected.
• Before you adjust the drive operation limits, make sure that the motor and all driven
equipment can operate throughout the set operation limits.
16 Safety instructions
3

• Before you activate the automatic fault reset or automatic restart functions of the
drive control program, make sure that no dangerous situations can occur. These
functions reset the drive automatically and continue operation after a fault or supply
break. If these functions are activated, the installation must be clearly marked as
defined in IEC/EN 61800-5-1, subclause 6.5.3, for example, "THIS MACHINE
STARTS AUTOMATICALLY".
• The maximum drive power cycles is five times in ten minutes. Power cycling the
drive too often can damage the charging circuit of the DC capacitors.
• If you have connected safety circuits to the drive (for example, Safe torque off or
emergency stop), validate them at start-up. See separate instructions for the safety
circuits.
• Beware of hot air exiting from the air outlets.
• Do not cover the air inlet or outlet when the drive is running.
Note:
• If you select an external source for the start command and it is on, the drive will
start immediately after fault reset unless you configure the drive for pulse start. See
the firmware manual.
• If the drive is in remote control mode, you cannot stop or start the drive with the
control panel.
• Only authorized persons are allowed to repair a malfunctioning drive.
Electrical safety in installation, start-up and maintenance
￭Electrical safety precautions
These electrical safety precautions are for all personnel who do work on the drive, motor
cable or motor.
WARNING!
Obey these instructions. If you ignore them, injury or death, or damage to the
equipment can occur.
If you are not a qualified electrical professional, do not do installation or
maintenance work.
Go through these steps before you begin any installation or maintenance work.
1. Clearly identify the work location and equipment.
2. Disconnect all possible voltage sources. Make sure that re-connection is not possible.
Lock out and tag out.
• Open the main disconnecting device of the drive.
• If you have a permanent magnet motor connected to the drive, disconnect the
motor from the drive with a safety switch or by other means.
Safety instructions 17

• Disconnect all dangerous external voltages from the control circuits.
• After you disconnect power from the drive, always wait 5 minutes to let the
intermediate circuit capacitors discharge before you continue.
3. Protect any other energized parts in the work location against contact.
4. Take special precautions when close to bare conductors.
5. Measure that the installation is de-energized.
• Before and after measuring the installation, verify the operation of the voltage
tester on a known voltage source.
• Make sure that the voltage between the drive input power terminals (L1, L2, L3)
and the grounding (PE) busbar is zero.
• Make sure that the voltage between the drive output terminals (T1/U, T2/V,
T3/W) and the grounding (PE) busbar is zero.
• Make sure that the voltage between the drive DC terminals (R+/UDC+ and
UDC-) and the grounding (PE) terminal is zero.
6. Install temporary grounding as required by the local regulations.
7. Ask the person in control of the electrical installation work for a permit to work.
￭Additional instructions and notes
WARNING!
Obey these instructions. If you ignore them, injury or death, or damage to the
equipment can occur.
If you are not a qualified electrical professional, do not do installation or
maintenance work.
• Make sure that the electrical power network, motor/generator, and environmental
conditions agree with the drive data.
• Do not do insulation or voltage withstand tests on the drive.
•If you have a cardiac pacemaker or other electronic medical device, keep away from
the area near motor, drive, and the drive power cabling when the drive is in operation.
There are electromagnetic fields present which can interfere with the function of
such devices. This can cause a health hazard.
Note:
• The motor cable terminals of the drive are at a dangerous voltage when the input
power is on, regardless of whether the motor is running or not.
• When the input power is on, the drive DC bus is at a dangerous voltage.
If brake chopper and resistor are in use, they are at a dangerous voltage. (Option
+D150)
18 Safety instructions
3

• External wiring can supply dangerous voltages to the relay outputs of the control
units of the drive.
•The Safe torque off function does not remove the voltage from the main and auxiliary
circuits. The function is not effective against deliberate sabotage or misuse.
Optical components
WARNING!
Obey these instructions. If you ignore them, damage to the equipment can occur.
• Handle the fiber optic cables with care.
• When you unplug the fiber optic cables, always hold the connector, not the cable
itself.
• Do not touch the ends of the fibers with bare hands as the ends are extremely
sensitive to dirt.
• Do not bend the fiber optic cables too tightly. The minimum allowed bend radius is
35 mm (1.4 in).
Printed circuit boards
WARNING!
Use a grounding wrist band when you handle printed circuit boards. Do not touch
the boards unnecessarily. The boards contain components sensitive to electrostatic
discharge.
￭Grounding
These instructions are for all personnel who are responsible for the grounding of the
drive.
WARNING!
Obey these instructions. If you ignore them, injury or death, or equipment
malfunction can occur, and electromagnetic interference can increase.
If you are not a qualified electrical professional, do not do grounding work.
• Always ground the drive, the motor and adjoining equipment. This is necessary for
the personnel safety. Proper grounding also reduces electromagnetic emission and
interference.
• Make sure that the conductivity of the protective earth (PE) conductors is sufficient.
See the electrical planning instructions of the drive. Obey the local regulations.
• Connect the power cable shields to protective earth (PE) terminals of the drive to
make sure of personnel safety.
Safety instructions 19

• Make a 360° grounding of the power and control cable shields at the cable entries
to suppress electromagnetic disturbances.
• In a multiple-drive installation, connect each drive separately to the protective earth
(PE) busbar of the power supply.
Note:
• You can use power cable shields as grounding conductors only when their
conductivity is sufficient.
• As the normal touch current of the drive is higher than 3.5 mA AC or 10 mA DC,
you must use a fixed protective earth (PE) connection. The minimum size of the
protective earth conductor must comply with the local safety regulations for high
protective earth conductor current equipment. See standard IEC/EN 61800-5-1
(UL 61800-5-1) and the electrical planning instructions of the drive.
To comply with standard IEC/EN 61800-5-1 (UL 61800-5-1)
•use a protective earth conductor with a minimum cross-sectional area of 10 mm2
Cu or 16 mm2Al (as an alternative when aluminum cables are permitted),
or
• use a second protective earth conductor of the same cross-sectional area as
the original protective earth conductor,
or
• use a device that automatically disconnects the supply if the protective earth
conductor is damaged.
If the protective earth conductor is separate (that is, it does not form part of the input
power cable or the input power cable enclosure), the minimum cross-sectional area
must be:
• 2.5 mm2when the conductor is mechanically protected,
or
• 4 mm2when the conductor is not mechanically protected.
20 Safety instructions
3