Because of the variety of uses for the products described in this
publication, those responsible for the application and use of this
control equipment must satisfy themselves that all necessary steps
have been taken to assure that each application and use meets all
performance and safety requirements, including any applicable laws,
regulations, codes and standards.
The illustrations, charts, sample programs and layout examples
shown in this guide are intended solely for purposes of example.
Since there are many variables and requirements associated with any
particular installation, Allen-Bradley
or liability (to include intellectual property liability) for actual use
based upon the examples shown in this publication.
Allen-Bradley publication SGI-1.1, Safety Guidelines for the
Application, Installation and Maintenance of Solid-State Control
(available from your local Allen-Bradley office), describes some
important differences between solid-state equipment and
electromechanical devices that should be taken into consideration
when applying products such as those described in this publication.
Reproduction of the contents of this copyrighted publication, in
whole or part, without written permission of Rockwell Automation,
is prohibited.
does not assume responsibility
Throughout this manual we use notes to make you aware of safety
considerations:
ATTENTION
Identifies information about practices or
circumstances that can lead to personal injury or
death, property damage or economic loss.
!
Attention statements help you to:
• identify a hazard
• avoid a hazard
• recognize the consequences
IMPORTANT
Allen-Bradley is a registered trademark of Rockwell Automation.
ControlLogix, Logix, RSLogix, SoftLogix, and SCANport are trademarks of Rockwell Automation.
Bussmann is a registered trademark of Cooper Industries, Inc.
Hiperface is a registered trademark of Stegmann, Inc.
SERCOS interface is a trademark of the Interests Group SERCOS interface e.V. (IGS).
Windows is a registered trademark of Microsoft Corporation.
UL is a registered trademark of Underwriters Laboratories.
Identifies information that is critical for successful
application and understanding of the product.
Table of Contents
Preface
Installing Your 1394 SERCOS
Interface System
Who Should Use this Manual . . . . . . . . . . . . . . . . . . . . . . . P-1
Read this preface to familiarize yourself with the rest of the manual.
The preface covers the following topics:
•Who Should Use this Manual
•Purpose of this Manual
•Contents of this Manual
•Product Receiving and Storage Responsibility
•Related Documentation
•Conventions Used in this Manual
•Allen-Bradley Support
Who Should Use this
Manual
Purpose of this Manual
Use this manual for designing, installing, and wiring your 1394
SERCOS interface Multi-Axis Motion Control System. The manual is
intended for engineers or technicians directly involved in the
installation and wiring of the 1394.
If you do not have a basic understanding of the 1394, contact your
local Allen-Bradley representative for information on available training
courses before using this product.
This manual provides the mounting, wiring, and connecting
procedures for the 1394 and standard Rockwell Automation/AllenBradley motors recommended for use with the 1394.
For power up procedures, troubleshooting, and system integration
with the ControlLogix and SoftLogix SERCOS module/PCI card
(see table below) refer to the 1394 SERCOS Interface Integration Manual (publication 1394-IN024x-EN-P). Manuals are available
electronically (as a .pdf) or in hardcopy from
www.theautomationbookstore.com.
InterfaceControlLogix ModuleSoftLogix PCI Card
SERCOS interface1756-MxxSE1784-PM16SE
1Publication 1394-IN002B-EN-P — February 2004
P-2Preface
Contents of this Manual
Refer to the following listing for the descriptive contents of this
installation manual.
ChapterTitleContents
Preface
1
2
3
4
Appendix ASpecifications and Dimensions
Appendix BInterconnect Diagrams
Appendix C
Installing Your 1394 SERCOS
Interface System
1394 SERCOS Interface
Connector Data
Connecting Your 1394 SERCOS
Interface System
Troubleshooting Status
Indicators
Catalog Numbers and
Accessories
Describes the purpose, background, and scope of
this manual. Also specifies the audience for
whom this manual is intended.
Provides system mounting information for the
1394 SERCOS interface components.
Provides system module and axis module
connector locations, signal descriptions, and I/O
specifications.
Provides connection and wiring information for
the 1394 SERCOS interface components.
Provides troubleshooting tables that define the
1394 status LEDs and fault codes.
Provides mounting dimensions, and power,
weight, environmental, and functional
specifications for the 1394.
Provides power, shunt, and drive/motor
interconnect diagrams for the 1394.
Provides catalog numbers and descriptions of the
1394 and related products.
Product Receiving and
Storage Responsibility
You, the customer, are responsible for thoroughly inspecting the
equipment before accepting the shipment from the freight company.
Check the item(s) you receive against your purchase order. If any
items are obviously damaged, it is your responsibility to refuse
delivery until the freight agent has noted the damage on the freight
bill. Should you discover any concealed damage during unpacking,
you are responsible for notifying the freight agent. Leave the shipping
container intact and request that the freight agent make a visual
inspection of the equipment.
Store the product in its shipping container prior to installation. If you
are not going to use the equipment for a period of time, store using
the following guidelines.
•Use a clean, dry location
•Maintain an ambient temperature range of -40 to 70° C
(-40 to 158° F)
•Maintain a relative humidity range of 5% to 95%, non-condensing
•Store it where it cannot be exposed to a corrosive atmosphere
•Store it in a non-construction area
Publication 1394-IN002B-EN-P — February 2004
Preface P-3
Related Documentation
For:Read This Document:Publication Number:
Information on configuring and troubleshooting your
1394 SERCOS interface
A description and specifications for the 1394 family
including motors and motor accessories
Application sizing and configuration information
Information on the use of ControlLogix motion
features and application examples
The instructions needed to program a motion
application
Information on configuring and troubleshooting your
ControlLogix motion module
Information on configuring and troubleshooting your
SoftLogix PCI card
Information on proper handling, installing, testing,
and troubleshooting fiber-optic cables
Information, examples, and techniques designed to
minimize system failures caused by electrical noise
For declarations of conformity (DoC) currently
available from Rockwell Automation
An article on wire sizes and types for grounding
electrical equipment
A glossary of industrial automation terms and
abbreviations
The following documents contain additional information concerning
related Allen-Bradley products. To obtain a copy, contact your local
Allen-Bradley office, distributor, or download them from
TheAutomationBookstore.com.
Published by the National
Fire Protection Association
of Boston, MA.
Conventions Used in this
Manual
The conventions starting below are used throughout this manual.
•Bulleted lists such as this one provide information, not procedural
steps
•Numbered lists provide sequential steps or hierarchical
information
•Words that you type or select appear in bold
•When we refer you to another location, the section or chapter
name appears in italics
Publication 1394-IN002B-EN-P — February 2004
P-4Preface
Allen-Bradley Support
Allen-Bradley offers support services worldwide, with over 75 Sales/
Support Offices, 512 authorized Distributors and 260 authorized
Systems Integrators located throughout the United States alone, plus
Allen-Bradley representatives in every major country in the world.
Local Product Support
Contact your local Allen-Bradley representative for:
•Sales and order support
•Product technical training
•Warranty support
•Support service agreements
Technical Product Assistance
If you need technical assistance, contact your local Allen-Bradley
representative or Rockwell Automation Technical Support at
(440) 646-5800 / www.ab.com/support. Please have the catalog
numbers of your products available when you call.
Comments Regarding this Manual
To offer comments regarding the contents of this manual, go to
www.ab.com/manuals/gmc and download the Motion Control
Problem Report form. Mail or fax your comments to the address/fax
number given on the form.
Publication 1394-IN002B-EN-P — February 2004
Chapter
1
Installing Your 1394 SERCOS Interface System
Chapter Objectives
This chapter covers the following topics:
•Complying With European Union Directives
•Before Mounting Your System
•Unpacking Modules
•System Mounting Requirements
•HF Bonding Your System
•Planning Your Panel Layout
•Mounting Your 1394 SERCOS interface System
•Mounting Your External Shunt Resistor Kit
ATTENTION
!
The following information is a guideline for proper
installation. The National Electrical Code and any
other governing regional or local codes overrule this
information. The Allen-Bradley Company cannot
assume responsibility for the compliance or the
noncompliance with any code, national, local or
otherwise, for the proper installation of this system
or associated equipment. If you ignore codes during
installation, hazard of personal injury and/or
equipment damage exists.
1Publication 1394-IN002B-EN-P — February 2004
1-2Installing Your 1394 SERCOS Interface System
Complying With European
Union Directives
If this product is installed within the European Union or EEC regions
and has the CE mark, the following regulations apply.
For more information on the concept of electrical noise reduction,
refer to System Design for Control of Electrical Noise Reference Manual
(publication GMC-RM001x-EN-P).
EMC Directive
This unit is tested to meet Council Directive 89/336 Electromagnetic
Compatibility (EMC) using a technical construction file and the
following standards, in whole or in part:
•EN 50081-2 EMC - Emission Standard, Part 2 - Industrial
Environment
•EN 50082-2 EMC - Immunity Standard, Part 2 - Industrial
Environment
•EN 61800-3 EMC - Adjustable Speed Electrical Power Drive
Systems - Second Environment, Restricted Distribution Class
The product described in this manual is intended for use in an
industrial environment.
Meeting CE Requirements
To meet CE requirements, the following components are required:
•You must install a power line filter (Allen-Bradley catalog number
SP-74102-006-01, SP-74102-006-02, SP-74102-006-03 or equivalent
based on system current) between the three-phase input line and
the system module input.
•For MP-Series and 1326AB (M2L/S2L) motors use 2090 series
motor power and feedback cables and terminate the cable shields
to the chassis clamps provided (refer to Chapter 3 for wiring
instructions).
•For 1326AB/AS (resolver) motors use 1326 series motor power
and feedback cables and terminate the cable shields to the chassis
clamps provided (refer to Chapter 3 for wiring instructions).
•Combined motor power cable length for all (up to 4) axes must
not exceed 360 m (1181 ft).
Publication 1394-IN002B-EN-P — February 2004
Installing Your 1394 SERCOS Interface System1-3
•Install the 1394 SERCOS interface system inside an enclosure. Run
input power wiring (grounded to the enclosure) in conduit
outside of the enclosure. Separate signal and power cables as
shown in Planning Your Panel Layout of this chapter.
Low Voltage Directive
These units are tested to meet Council Directive 73/23/EEC Low
Voltage Directive. The EN 50178-1 Electronic Equipment for Use in
Power Installations and EN 60204-1 Safety of Machinery-Electrical
Equipment of Machines, Part 1-Specification for General Requirements
standards apply in whole or in part.
Refer to Appendix B of this document for interconnect information.
1394 System Component
This section provides an overview of the 1394 system components
and a typical installation.
Overview
1394 Component:Catalog Numbers:Description:
System Module1394C-SJTxx-D
Axis Module1394C-AMxxThe 1394 Axis Modules are available with 2, 3, 5, 15.6, and 23.8 kW continuous output.
ControlLogix/
SoftLogix Platforms
RSLogix™ 5000
software
Servo Motors
Cables
AC Line Filters
External Shunt
Modules
1756-MxxSE module
1784-PM16SE PCI card
9324-RLD300ENE
MP-Series, 1326AB, and
1326AS servo motors
Motor Power, Feedback,
and Brake cables
Fiber-Optic cables
SP-74102-006-01The SP-74102-006-01 three-phase AC line filter is suitable for 1394C-SJT05-D system modules.
SP-74102-006-02The SP-74102-006-02 three-phase AC line filter is suitable for 1394C-SJT10-D system modules.
SP-74102-006-03The SP-74102-006-03 three-phase AC line filter is suitable for 1394C-SJT22-D system modules.
1394-SR10A
1394-SR-xxxxOne Bulletin 1394 external passive shunt module is required for each 1394C-SJT22-D system module.
The 1394 multi-axis System Modules are available with 5, 10, or 22 kW continuous output and 360V/
480V ac input power. Each system module accommodates up to four axis modules.
The SERCOS interface module/PCI card serves as a link between the ControlLogix/SoftLogix platform
and 1394 system. The communication link uses the IEC 61491 SErial Real-time COmmunication
System (SERCOS) protocol over a fiber-optic cable.
RSLogix 5000 provides support for programming, commissioning, and maintaining the Logix family of
controllers.
The MP-Series (low inertia) 460V, 1326AB (M2L/S2L), and 1326AB (resolver) motors are available for
use with the 1394 SERCOS interface system.
Motor power, feedback, and brake cables include integral molded, bayonet style, quick connect/
quick-release connectors at the motor. Power and brake cables have flying leads on the drive end and
straight connectors that connect to servo motors. Standard feedback cables have a straight connector
on the motor end and flying leads that wire to a feedback connector on the drive end.
SERCOS fiber-optic cables are available in enclosure only, PVC, nylon, and glass with connectors at
both ends.
The Bulletin 1394-SR10A external passive shunt resistor is available when the 1394C-SJT05/10-D
internal shunt capability is exceeded.
Note: Refer to Appendix C for a complete list of catalog numbers for
the 1394 components listed above.
Publication 1394-IN002B-EN-P — February 2004
1-4Installing Your 1394 SERCOS Interface System
The typical 1394 SERCOS interface system installation includes the
following components.
Figure 1.1
Typical 1394 SERCOS interface System Installation
ControlLogix Chassis
1756-MxxSE Interface
SERCOS ring
ControlLogix Programming Network
SERCOS System Module
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
DANGER
1394C-SJT
Workstation with RSLogix 5000
xx
-D
1326AB, 1326AS, and MPL-Bxxxx Motors
(Resolver-based or absolute high resolution feedback)
SERCOS System Module
1394C-SJTxx-D
SERCOS ring
SERCOS ring
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
DANGER
1326AB, 1326AS, and MPL-Bxxxx Motors
(Resolver-based or absolute high resolution feedback)
Publication 1394-IN002B-EN-P — February 2004
Installing Your 1394 SERCOS Interface System1-5
Before Mounting Your
System
Before you mount your 1394 SERCOS interface system make sure you
understand the following:
•One 1394 axis module information sheet (publication 1394-5.5)
Remove all packing material, wedges, and braces from within and
around the components. After unpacking, check the item(s)
nameplate catalog number against the purchase order. Refer to
Appendix C for more information on catalog numbers.
Publication 1394-IN002B-EN-P — February 2004
1-6Installing Your 1394 SERCOS Interface System
System Mounting Requirements
There are several things that you need to take into account when
preparing to mount the 1394:
•The ambient temperature of the location in which you will install
the 1394 must not exceed Environmental Specifications as shown
in Appendix A.
•You must install the panel on a flat, rigid, vertical surface that
won’t be subjected to shock, vibration, moisture, oil mist, dust, or
corrosive vapors.
•You have to mount the system vertically.
•You need to maintain minimum clearances (see Figure 1.2) for
proper airflow, easy module access, and proper cable bend radius.
•The 1394 can operate at elevations to 1000 m (3300 ft) without
derating, however, the continuous current rating must be de-rated
by 3% for each additional 300 m (1000 ft) up to 3000 m (10,000 ft).
Consult your local Allen-Bradley representative prior to operating
at over 3000 m (10,000 ft)
Refer to Appendix A for mounting dimensions, power dissipation, and
environmental specifications for the 1394.
ATTENTION
!
Plan the installation of your system so that you can
perform all cutting, drilling, tapping, and welding
with the system removed from the enclosure.
Because the system is of the open type construction,
be careful to keep any metal debris from falling into
it. Metal debris or other foreign matter can become
lodged in the circuitry, which can result in damage to
components.
Publication 1394-IN002B-EN-P — February 2004
Installing Your 1394 SERCOS Interface System1-7
Ventilation Requirements
This section provides information to assist you in sizing your cabinet
and locating your 1394 system components. Refer to Figure 1.2 for
minimum clearance requirements for power rail components mounted
inside the cabinet.
Figure 1.2
Minimum System and Axis Module Mounting Requirements
50.8 mm (2.0 in.) clearance
for airflow and installation
Status
DANGER
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
Allow 10.0 mm (0.4 in.) side clearance
Allow 25.4 mm (1.0 in.) clearance
at cover tab for opening and closing.
Allow additional clearance below the system module to provide the recommended cable bend radius. Refer
to the Motion Control Selection Guide (publication GMC-SG001x-EN-P) for more information.
Status
DANGER
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
Wire entry area for cable ground clamps
and signal, power, and motor connections.
IMPORTANT
Refer to Appendix A for 1394 power dissipation specifications.
Allow 10.0 mm (0.4 in.) side clearance
Allow 76.2 mm (3.0 in.) clearance
for depth of terminator.
If the cabinet is ventilated, use filtered or
conditioned air to prevent the accumulation of dust
and dirt on electronic components. The air should be
free of oil, corrosives, or electrically conductive
contaminates.
Publication 1394-IN002B-EN-P — February 2004
1-8Installing Your 1394 SERCOS Interface System
Determining Your System Mounting Hole Layout
Based on your actual axis module combination, use the following
illustration and table to modify your subpanel using the dimensions
that correspond to that specific combination.
Figure 1.3
1394 Mounting Hole Layout
Dimensions are in millimeters and (inches)
System
outline
385
(15.16)
Axis Module
Combination
Type of Axis ModuleNumber of AxesCutout Needed?
1394x-AM50, or -AM75, and
A
1394C-AM50-IH, or -AM75-IH
1394x-AM03, AM04, or AM07up to 4no
1394x-AM50, or -AM75, and
B
1394C-AM50-IH, or -AM75-IH
1394x-AM03, AM04, or AM07up to 3no
1394x-AM50, or -AM75, and
C
1394C-AM50-IH, or -AM75-IH
1394x-AM03, AM04, or AM07up to 2no
1394x-AM50, or -AM75, and
D
1394C-AM50-IH, or -AM75-IH
1394x-AM03, AM04, or AM07up to 1no
E
1394x-AM50, or -AM75, and
1394C-AM50-IH, or -AM75-IH
50
(1.97)
(0.00)
System module
mounting holes
33.5 TYP
(1.32)
62.5
100
(2.46)
(3.94)
0
50
(1.97)
B
AAA
C
D
E
Heatsink
cutout for the
AM50/75
module
only
67 TYP
(2.64)
137.5
(5.41)
125
150
(4.92)
(5.91)
C
B
D
E
Heatsink
cutout for the
AM50/75
module
only
175
(6.89)
200
(7.87)
B
cutout for the
AM50/75
212.5
(8.37)
225
(8.86)
D
A
E
C
Heatsink
module
only
8 TYP
(0.32)
B
250
(9.84)
275
(10.83)
C
cutout for the
AM50/75
287.5
(11.32)
DE
Heatsink
module
only
M6 tapped hole or
1/4-20 UNC - 2B
0no
1
2
3
4
yes (1394x-AM50 or -AM75)
no (1394C-AM50-IH or -AM75-IH)
yes (1394x-AM50 or -AM75)
no (1394C-AM50-IH or -AM75-IH)
yes (1394x-AM50 or -AM75)
no (1394C-AM50-IH or -AM75-IH)
yes (1394x-AM50 or -AM75)
no (1394C-AM50-IH or -AM75-IH)
19.5
(0.768)
348
(13.70)
Publication 1394-IN002B-EN-P — February 2004
Note: When mounting axis module combinations, you must mount the 1394x-AM50, -AM75, -AM50-IH, and -AM75-
IH closest to the system module and ahead of the 1394x-AM03, -AM04, and -AM07 axis modules.
Installing Your 1394 SERCOS Interface System1-9
Mounting Your 1394 Through the Back of the Cabinet
The figure below shows an example of the typical mounting of a 1394
system with 1394x-AM50 or -AM75 axis modules. The 1394x-AM50
and -AM75 have heatsinks that mount through the back of the
electrical cabinet.
Figure 1.4
Mounting the 1394 with heatsinks through the back of the cabinet
Note: This configuration requires a gasket between
the 1394x-AM50 or -AM75 and the inside of
the enclosure. use the gasket provided.
Customer-supplied
enclosure
HF Bonding Your System
Bonding is the practice of connecting metal chassis, assemblies,
frames, shields and enclosures to reduce the effects of electromagnetic
interference (EMI). For more information on the concept of highfrequency (HF) bonding, the ground plane principle, and electrical
noise reduction, refer to System Design for Control of Electrical Noise
(publication GMC-RM001x-EN-P).
Bonding Modules
Unless specified, most paints are not conductive and they act as
insulators. To achieve a good bond between power rail and the
subpanel, surfaces need to be paint-free or plated. Bonding metal
surfaces creates a low-impedance return path for high-frequency
energy.
IMPORTANT
To improve the bond between the 1394 SERCOS
interface system and subpanel, construct your
subpanel out of zinc plated (paint-free) steel.
Improper bonding blocks the direct return path and allows highfrequency energy to travel elsewhere in the cabinet. Excessive highfrequency energy can effect the operation of other microprocessor
controlled equipment.
Publication 1394-IN002B-EN-P — February 2004
1-10Installing Your 1394 SERCOS Interface System
The illustrations that follow (Figure 1.5) show details of recommended
bonding practices for painted panels, enclosures, and mounting
brackets.
Figure 1.5
Recommended Bonding Practices for Painted Panels
Stud-mounting the subpanel
to the enclosure back wall
Back wall of
enclosure
SubpanelWelded stud
Star washer
Nut
Use a wire brush to remove paint from
threads to maximize ground
connection.
Use plated panels or scrape paint on
front of panel.
Welded
stud
Mounting bracket or
Flat washer
Nut
Stud-mounting a ground bus
or chassis to the subpanel
ground bus
Flat washer
If the mounting bracket is coated with
a non-conductive material (anodized,
painted, etc.), scrape the material
Star washer
around the mounting hole.
Subpanel
Scrape paint
Bolt-mounting a ground bus or chassis to the back-panel
Ground bus or
mounting bracket
Flat washer
Nut
Subpanel
Tapped hole
Nut
Scrape paint on both sides of
panel and use star washers.
Star washer
Flat washer
Bolt
Star washer
Publication 1394-IN002B-EN-P — February 2004
Star washer
If the mounting bracket is coated with
a non-conductive material (anodized,
painted, etc.), scrape the material
around the mounting hole.
Installing Your 1394 SERCOS Interface System1-11
R
Bonding Multiple Subpanels
Bonding multiple subpanels creates a common low impedance exit
path for the high frequency energy inside the cabinet. Subpanels that
are not bonded together may not share a common low impedance
path. This difference in impedance may affect networks and other
devices that span multiple panels.
Figure 1.6
Bonding Multiple Subpanels
ecommended:
Bond the top and bottom of each subpanel to the cabinet
using 25.4 mm (1.0 in.) by 6.35 mm (0.25 in.) wire braid
Bonded cabinet
ground bus to
subpanel
Scrape the paint around each fastener to
maximize metal to-metal-contact.
Publication 1394-IN002B-EN-P — February 2004
1-12Installing Your 1394 SERCOS Interface System
Planning Your Panel Layout
This section outlines the practices which minimize the possibility of
noise-related failures as they apply specifically to 1394 installations.
For more information on the concept of electrical noise reduction,
refer to System Design for Control of Electrical Noise Reference Manual
(publication GMC-RM001x-EN-P).
Establishing Noise Zones
Observe the following guidelines when laying out your panel (refer to
Figure 1.7 for zone locations).
•The clean zone (C) is to the left of the 1394 and includes the
I/O wiring, feedback cable, and DC filter (grey wireway).
•The dirty zone (D) is beneath and to the right of the 1394 (black
wireway) and includes the circuit breakers, transformer, 24V dc
power supply, contactors, AC line filter, and motor power cables.
•The very dirty zone (VD) is limited to where the AC line (EMC)
filter VAC output jumpers over to the 1394. Shielded cable is
required only if the very dirty cables enter a wireway.
•The SERCOS fiber-optic cables are immune to electrical noise, but
are relatively fragile and best run with other light weight cables.
Figure 1.7
Establishing Noise Zones
3
Dirty Wireway
Circuit
Breaker
D
XFMR
Clean Wireway
1
and
I/O
Feedback Cables
Route Encoder/Analog/Registration
Shielded Cable
(1)
1394 SERCOS interface System
SERCOS System Module
Status
DANGER
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
VD
C
Very dirty unshielded power connections
segregated (not in wireway)
C
DC
Filter
2
Line Filter
D
24V Motor
Brake PS
AC
Contactors
D
Route 24V dc I/O
Shielded Cable
Publication 1394-IN002B-EN-P — February 2004
1
If I/O cable contains (dirty) relay wires, route wires in dirty wireway.
2
This is a clean 24V dc available for any device that may require it. The 24V enters the clean wireway and exits to
the left.
3
This is a dirty 24V dc available for motor brakes and contactors. The 24V enters the dirty wireway and exits to the
right.
Installing Your 1394 SERCOS Interface System1-13
Observe the following guidelines when installing your 1756-MxxSE
SERCOS interface module (refer to Figure 1.8 for zone locations).
•The clean zone (C) is beneath the less noisy modules (I/O, analog,
encoder, registration, etc. (grey wireway).
•The dirty zone (D) is above the chassis and below the noisy
modules (black wireway).
•The SERCOS fiber-optic cables are immune to electrical noise, but
are relatively fragile and best run with other light weight cables.
Figure 1.8
Establishing Noise Zones (ControlLogix)
Clean Wireway
(1)
EMC
Filter
EMC filter/power supply
connections segregated
(not in clean wireway)
Route dirty wireways directly above the ControlLogix rack
(shielded by the chassis)
Clean I/O
(Analog, Encoder
Registration, etc.)
Dirty Wireway
Spare Slot(s)
Dirty I/O
(24V dc I/O, AC I/O)
Publication 1394-IN002B-EN-P — February 2004
1-14Installing Your 1394 SERCOS Interface System
Cable Categories for the 1394
The table below indicates the zoning requirements of cables
connecting to the 1394.
Wire/CableConnections
AC input power from filter to system
module (unshielded option)
AC input power from filter to system
module (shielded option)
Motor Power (must be shielded)U1, V1, W1, PE2XX
Thermal wires
Brake wires (requires suppression)X
24V dc logic powerW1, W2X
COM, PWR (24V dc), filtered
COM, PWR (24V dc), unfiltered
Feedback
Registration InputsDiscrete InputsXX
Enable, Overtravel, and Home inputsDiscrete InputsX
Analog OutputsAnalog OutputsXX
Relay OutputsRelay OutputsX
1
ZoneMethod
Very
Dirty
U, V, W, PE
TB1/TB2
Discrete InputsX
2
Discrete InputsX
MotorXX
AuxiliaryXX
DirtyClean
X
XX
X
Ferrite
Sleeve
Shielded
Cable
DPI/SCANport
Fiber-OpticRx and TxNo Restrictions
1
Refer to Footnote 2 on page 1-12.
2
Refer to Footnote 3 on page 1-12.
DPI/SCANportXX
The table below indicates the zoning requirements of cables
connecting to the External Shunt Resistor Kit.
ZoneMethod
Wire/CableConnections
Shunt Power (shielded option)
Shunt Power (unshielded option)X
Thermal SwitchN/AXX
Fan (if present)N/AX
COL, INT, DC+
Very
Dirty
DirtyClean
XX
Ferrite
Sleeve
Shielded
Cable
Publication 1394-IN002B-EN-P — February 2004
Installing Your 1394 SERCOS Interface System1-15
Mounting Guidelines to Reduce Electrical Noise
When mounting an AC line (EMC) filter, external shunt resistor, or
wiring the motor brake and thermal switch, refer to the sections below
for guidelines designed to reduce system failures caused by excessive
electrical noise.
AC Line Filters
Observe the following guidelines when mounting your AC line (EMC)
filter (refer to Figure 1.7 for an example).
•Mount the AC line filter on the same panel as the 1394 along the
right side of the right-most axis module.
•Good HF bonding to the panel is critical. For painted panels, refer
to Figure 1.5.
•Segregate input and output wiring as far as possible.
IMPORTANT
CE test certification applies only to AC line filter and
single 1394 drive. Multiple drive loads may perform
satisfactorily, but the user takes legal responsibility.
Publication 1394-IN002B-EN-P — February 2004
1-16Installing Your 1394 SERCOS Interface System
External Shunt Modules
Observe the following guidelines when mounting your external shunt
module (refer to Figure 1.9 and for an example).
•Mount circuit components and wiring in the very dirty zone or in
an external shielded enclosure. Run shunt power and fan wiring
inside metal conduit to minimize the effects of EMI and RFI.
•Mount resistors (other than metal-clad) in a shielded and
ventilated enclosure outside the cabinet.
•Keep unshielded wiring as short as possible. Keep shunt wiring as
flat to the cabinet as possible.
•Route thermal switch and fan wires separate from shunt power.
Figure 1.9
External Shunt Module Outside the Enclosure
Customer-supplied
metal enclosure
Clean Wireway
C
I/O and
Feedback Cables
150 mm (6.0 in.) of
clearance on all sides
of the shunt module
(minimum)
Metal conduit
(where required
by local code)
Shunt Power Wiring Methods:
Twisted pair in conduit (1st choice)
Shielded twisted pair (2nd choice)
Twisted pair, 2 twists per foot min. (3rd choice)
(1)
C
1394 SERCOS interface System
SERCOS System Module
Status
DANGER
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
VD
DC
Filter
Line Filter
1394 Digital Servo Controller
300W Shunt Module
ALLEN-BRADLEY
R
BULLETIN 1394 300W SHUNT MODULE
CAT. PART SER.
INPUT DC INPUT AC
FOR FUSE REPLACEMENT USE:
BUSSMAN CAT. NO.
FOR USE WITH 1394-SJT22-X SYSTEM MODULE
Shunt thermal switch and
fan wires (when exist)
Enclosure
Dirty Wireway
D
24V Motor
Brake PS
AC
VD
Contactors
D
Circuit
Breaker
XFMR
D
Publication 1394-IN002B-EN-P — February 2004
C
Very dirty shunt connections
segregated (not in wireway)
Route Encoder/Analog/Registration
Shielded Cable
Route 24V dc I/O
Shielded Cable
Enclosure
Installing Your 1394 SERCOS Interface System1-17
When mounting your shunt module inside the enclosure, follow these
additional guidelines (refer to Figure 1.10 and for an example).
•Metal-clad modules can be mounted anywhere in the dirty zone,
but as close to the 1394 as possible.
•Shunt power wires can be run with motor power cables.
•Keep unshielded wiring as short as possible. Keep shunt wiring as
flat to the cabinet as possible.
•Separate shunt power cables from other sensitive, low voltage
signal cables.
Figure 1.10
External Shunt Module Inside the Enclosure
Clean Wireway
Twisted pair, 2 twists per foot min. (3rd choice)
C
I/O and
Feedback Cables
Route Encoder/Analog/Registration
Shielded Cable
150 mm (6.0 in.) of clearance
Shunt Power Wiring Methods:
Twisted pair in conduit (1st choice)
Shielded twisted pair (2nd choice)
1394 SERCOS interface System
SERCOS System Module
Status
DANGER
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
VD
C
Very dirty shunt connections
segregated (not in wireway)
on all sides of the
shunt module (minimum)
C
DC
Filter
AC
Line Filter
VD
Enclosure
1394 Digital Servo Controller
ALLEN-BRADLEY
R
BULLETIN 1394 300W SHUNT MODULE
CAT. PART SER.
INPUT DC INPUT AC
FOR FUSE REPLACEMENT USE:
BUSSMAN CAT. NO.
FOR USE WITH 1394-SJT22-X SYSTEM MODULE
300W Shunt Module
Enclosure
D
Dirty Wireway
Shunt thermal switch and
fan wires (when exist)
D
24V Motor
Brake PS
Contactors
Circuit
Breaker
XFMR
D
Route 24V dc I/O
Shielded Cable
Motor Brake and Thermal Switch
The thermal switch and brake are mounted inside the motor, but how
you connect to the axis module depends on the motor series. Refer to
Connecting Motor Power, Thermal Switch, and Brake in Chapter 3 for
wiring guidelines specific to your drive/motor combination. Refer to
Axis Module/Motor Interconnect Diagrams in Appendix B for the
interconnect diagram for your drive/motor combination.
Publication 1394-IN002B-EN-P — February 2004
1-18Installing Your 1394 SERCOS Interface System
Mounting Your 1394
SERCOS interface System
The procedures in this section assume you have prepared your panel
and understand how to bond your system. For installation instructions
regarding equipment and accessories not included here, refer to the
instructions that came with those items.
ATTENTION
!
1. Layout the position for your 1394 in the enclosure (refer to
Establishing Noise Zones for panel layout recommendations).
Mounting hole dimensions for the 1394 are shown in Appendix A.
Note: For help with the mounting hole layout for any combination
of axis modules, refer to Determining Your System Mounting Hole Layout on page 1-8.
This drive contains ESD (Electrostatic Discharge)
sensitive parts and assemblies. You are required to
follow static control precautions when you install,
test, service, or repair this assembly. If you do not
follow ESD control procedures, components can be
damaged. If you are not familiar with static control
procedures, refer to Allen-Bradley publication 8000-
4.5.2, Guarding Against Electrostatic Damage or any
other applicable ESD Protection Handbook.
2. Install the top mounting fasteners on the subpanel for the system
module and all axis modules. The heads of the fasteners should be
at least 6.35 mm (0.25 in.) from the panel. Make sure the 1394 is
properly bonded to the subpanel. Refer to the section HF Bonding Your System for proper bonding techniques.
IMPORTANT
3. Hang the 1394 system module on the two fasteners on the left side
of the subpanel.
To improve the bond between the 1394 and
subpanel, construct your subpanel out of zinc
plated (paint-free) steel.
Publication 1394-IN002B-EN-P — February 2004
Installing Your 1394 SERCOS Interface System1-19
4.
If you are mounting a:Do this:
1394x-AM03, -AM04 or AM07; 1394C-AM50-IH,
or -AM75-IH axis module
1394x-AM50 or -AM75
axis module with the
heat sink through the
back of the enclosure
(refer to Figure 1.4)
1. Hang the axis module on the next
mounting fastener.
2. Go to main step 6.
1. Remove the paper backing from
the gasket that came with the
AM50/75 axis module.
2. Position the gasket so that the
sticky side faces the axis module
and the small hole side is on top.
3. Slide the gasket over the heat sink
and attach it to the back of the axis
module.
Figure 1.11
Gasket Position
gasket
4. Go to main step 5.
5. Hang the AM50/75 axis module on the next mounting fastener.
6. Engage the alignment tab (refer to Figure 1.12).
Figure 1.12
Alignment Tab
Engaged alignment tab
Publication 1394-IN002B-EN-P — February 2004
1-20Installing Your 1394 SERCOS Interface System
7. Slide the slide-and-lock mechanism on the axis module to the left
until it locks into place.
Figure 1.13
Slide-and Lock Mechanism
8.
If you:Do this:
SERCOS System Module
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
Slide-and-Lock
Status
DANGER
mechanism
Have more axis modules for this system
module
Do not have more axis modules for this
system module
Go to step 4.
Go to step 9.
9. Install the lower fasteners for the system module and all axis
modules.
10. Attach the terminator to the last axis module. Slide it to the left
until it locks in place.
Figure 1.14
Attaching the Terminator
SERCOS System Module
Attach the
terminator
RISK OF ELECTRICAL SHOCK. HIGH VOLTAGE MAY
EXIST UP TO FIVE MINUTES AFTER REMOVING POWER.
Status
DANGER
Publication 1394-IN002B-EN-P — February 2004
IMPORTANT
The terminator terminates the serial ring. The
1394 system will not operate without the
terminator.
11. Tighten all mounting fasteners.
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