Solid state equipment has operational characteristics differing from those of
electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1.1 available from your
local Rockwell Automation sales office or online at http://www.rockwellautomation.com/literature) describes some important differences
between solid state equipment and hard-wired electromechanical devices. Because
of this difference, and also because of the wide variety of uses for solid state
equipment, all persons responsible for applying this equipment must satisfy
themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or
consequential damages resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative
purposes. Because of the many variables and requirements associated with any
particular installation, Rockwell Automation, Inc. cannot assume responsibility or
liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc. with respect to use of
information, circuits, equipment, or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written
permission of Rockwell Automation, Inc. is prohibited.
Throughout this manual, when necessary we use notes to make you aware of safety
considerations.
WARNING: Identifies information about practices or circumstances
that can cause an explosion in a hazardous environment, which may
!
!
lead to personal injury or death, property damage, or economic loss.
Important: Identifies information that is critical for successful application and
!
!
Allen-Bradley, PowerFlex, DriveExplorer, DriveExecutive, DriveTools SP, CompactLogix, MicroLogix, DSI, RSNetWorx for
DeviceNet, and ControlFLASH are trademarks of Rockwell Automation, Inc.
Trademarks not belonging to Rockwell Automation are property of their respective companies.
understanding of the product.
ATTENTION: Identifies information about practices or circumstances
that can lead to personal injury or death, property damage, or economic
loss. Attentions help you identify a hazard, avoid a hazard, and
recognize the consequences.
Shock Hazard labels may be located on or inside the equipment (e.g.,
drive or motor) to alert people that dangerous voltage may be present.
Burn Hazard labels may be located on or inside the equipment (e.g.,
drive or motor) to alert people that surfaces may be at dangerous
temperatures.
Summary of Changes
The information below summarizes the changes made to this manual
since version 1769-UM013B-EN-P (January 2006):
DescriptionPage(s)
Changed Figures 1.3 and 1.4 to correctly show the wiring of the RJ45
daisy-chained connectors.
In the “Compatible Products” section, added the PowerFlex 4M and
PowerFlex 40P drives.
Moved the Module Start-Up Status Indication table from Chapter 1 to
Chapter 2 after the “Applying Power” section.
Added the subsection “Special Case—Data Entry for 2 Stop Bits
Communication.”
Changed module Parameters 15 - [RTU Parity 1], 30 - [RTU Parity 2], and
45 - [RTU Parity 3] per 1769-SM2 firmware v2.001 update. The parameter
numbers remain the same but the parameter names changed from [RTU
Parity x] to [RTU Format x]. Also, in addition to parity (None, Even or Odd),
the parameter function changed to include choice of stop bits (1 or 2).
In the “Using Reference/Feedback” section, revised table to include
PowerFlex 4M and PowerFlex 40P drives.
Added the new section “Using RSLinx Classic” to Chapter 8.8-2
Updated the Logic Command word and Logic Status word information to
DeviceNet
MicroLogix™ 1500MicroLogix 1500 Programmable Controllers User Manual
CompactLogix™CompactLogix System User Manual1769-UM007
ControlLogix
Modbus RTU
Specification
PowerFlex 7-Class Drive
Connectivity
(1)
®
4 DrivePowerFlex 4 User Manual
®
4M DrivePowerFlex 4M User Manual
®
40 DrivePowerFlex 40 User Manual
®
40P DrivePowerFlex 40P User Manual
®
400 DrivePowerFlex 400 User Manual
®
ClassicGetting Results with RSLinx Guide, and online help
®
The online help is installed with the software.
DriveExplorer online help
http://www.ab.com/drives/drivetools
DriveExecutive online help
HIM Quick Reference22HIM-QR001
PowerFlex 4 Quick Start
PowerFlex 4M Quick Start
PowerFlex 40 Quick Start
PowerFlex 40P Quick Start
PowerFlex 400 Quick Start
RSLogix 500 Getting Results Guide, and online help
RSLogix 5000 Getting Results Guide, and online help
RSNetWorx for DeviceNet Getting Results Guide, and
online help
MicroLogix 1200 and MicroLogix 1500 Programmable
ControlLogix Gateway System User Manual1756-6.5.13
Modbus – ida.org—
20-COMM-H RS-485 HVAC Adapter User Manual20COMM-UM009
(1)
Controllers Reference Manual
P-1
(1)
(1)
, and
, and
—
—
22A-UM001
22A-QS-001
22F-UM001
22F-QS-001
22B-UM001
22B-QS-001
22D-UM001
22D-QS-001
22C-UM001
22C-QS-001
(1)
LINX-GR001
(1)
LG500-GR002
(1)
9399-RLD300GR
DNET-GR001
1764-UM001
1762-RM001
P-2About This Manual
You can view or download publications at http://
literature.rockwellautomation.com. To order paper copies of technical
documentation, contact your local Rockwell Automation distributor or
sales representative.
To find your local Rockwell Automation distributor or sales
representative, visit www.rockwellautomation.com/locations
For information such as firmware updates or answers to drive-related
questions, go to the Drives Service & Support web site at www.ab.com/
support/abdrives and click on the “Downloads” or “Knowledgebase” link.
Rockwell Automation Support
Rockwell Automation, Inc. offers support services worldwide, with over
75 sales/support offices, over 500 authorized distributors, and over 250
authorized systems integrators located through the United States alone.
In addition, Rockwell Automation, Inc. representatives are in every
major country in the world.
Local Support
.
Contact your local Rockwell Automation, Inc. representative for:
• Sales and order support
• Product technical training
• Warranty support
• Support service agreements
Technical Assistance
For technical assistance, please review the information in Chapter 9,
Troubleshooting, first. If you still have problems, then access the
Allen-Bradley Technical Support web site at www.ab.com/support/
abdrives or contact Rockwell Automation, Inc.
About This ManualP-3
Conventions Used in this Manual
The following conventions are used throughout this manual:
• Parameter names are shown in the format Parameter xx - [*]. The
xx represents the parameter number. The * represents the parameter
name. For example Parameter 01 - [Config Mode].
• Menu commands are shown in bold type face and follow the format
Menu > Command. For example, if you read “Select File > Open,”
you should click the File menu and then click the Open command.
• RSNetWorx for DeviceNet (version 4.01) and RSLinx (version 2.41)
were used for the screen shots in this manual. Different versions of
the software may differ in appearance and procedures.
• The firmware release is displayed as FRN X.xxx. The “FRN”
signifies Firmware Release Number. The “X” is the major release
number. The “xxx” is the minor update number. This manual is for
Firmware release 1.xxx.
P-4About This Manual
Notes:
Chapter 1
Getting Started
The 1769-SM2 Compact I/O to DSI module provides a Compact I/O
connection for PowerFlex 4-Class drives. It can be used with a
MicroLogix 1500, CompactLogix, or a remote 1769-based adapter such
as the 1769-ADN.
TopicPageTopicPage
Components
Features1-2Safety Precautions1-7
Single Mode vs. Multi-Drive Mode1-3Quick Start1-9
Compatible Products1-6Status Indicators1-10
Components
Figure 1.1 Components of the Module
➊
➋
1-1Required Equipment1-6
➍
MODULE
CH1
CH2 CH3
DSI
C
H
1
➐
C
H
2
C
H
3
➏
MODULE
C
H
1
C
H
2
C
H
3
I
S
D
C
H
1
C
H
2
C
H
3
➌
Item PartItem Part
Bus lever (with locking function)
➊
Upper DIN rail latch
➋
Lower DIN rail latch
➌
Upper panel mounting tab
➍
Lower panel mounting tabTerminal block for network communication
➎
Module status indicators (see Chapter 9,
➏
Troubleshooting
for details).
➎
➐
➑
➒
➓
11
11
Movable bus connector with female pins
Bus connector with male pins
Nameplate label
DSI connectors
shielding and earth ground wire.
➓
➑
➒
1-2Getting Started
Features
The 1769-SM2 Compact I/O to DSI module features include:
• Three Compact I/O connection channels for PowerFlex 4-Class
drives. Up to 3 drives can be connected in Single mode (1 per
channel) and up to 15 drives can be connected in Multi-Drive mode
(5 per channel). Any channel in Multi-Drive mode can also be
configured to operate as a Modbus RTU Master, allowing
connectivity to a maximum of 31 other Modbus RTU Slave devices,
such as PowerFlex 7-Class drives with 20-COMM-H RS485 HVAC
adapters.
• Use as expansion I/O on MicroLogix 1500 and CompactLogix
controllers or with a remote 1769-based adapter. It receives the
required power from the Compact I/O backplane.
• Parameter-configurable I/O, including Logic Command/Reference
and Logic Status/Feedback for each connected drive.
• Explicit messaging (parameter read/write, etc.) support for:
– MicroLogix 1500 LRP Series C systems when used with
RSLogix 500 v6.30 (or higher)
– Enhanced CompactLogix processors, such as the -L31, -L32E,
and -L35E
Explicit messaging is NOT available for CompactLogix -L20 and
-L30 processors, or 1769-ADN DeviceNet adapters.
• User-defined fault actions to determine how the module and
connected drives respond to controllers in idle mode (Idle Action).
• Bi-color (red/green) status indicators to report the status of the
module and channel communications.
• Compatibility with various configuration tools to configure the
module and connected drive(s). The tools include an optional,
external PowerFlex 4-Class HIM (22-HIM-A3 or 22-HIM-C2S), and
drive-configuration software such as DriveExplorer v3.01 (or higher)
or DriveExecutive v4.01 (or higher).
Getting Started1-3
Single Mode vs. Multi-Drive Mode
Single mode is a one-to-one connection, where a channel is connected to
a single PowerFlex 4-Class drive (Figure 1.2
Figure 1.2 Single Mode Wiring Example
1769-SM2
CH1
CH2
CH3
Module
MODULE
CH1
CH2 CH3
C
H
1
C
H
2
C
H
3
AK-U0-RJ45-TB2P
Terminal Block
Connector
22-RJ45CBL-C20 Cable, or User-Supplied Wire
(recommend Belden No. 3105A or equivalent)
with AK-U0-RJ45-TB2P terminal block connectors
AK-U0-RJ45-TB2P
).
Powerflex 4-Class Drives
Terminal Block
Connector
AK-U0-RJ45-TB2P
Terminal Block
Connector
Earth Ground
Connection
Ground Wire Connection
(for network communication
shielding)
An additional DSI peripheral device, such as an external PowerFlex
4-Class HIM or Serial Converter module (22-SCM-232) with a software
tool, can be used with each drive. An AK-U0-RJ45-SC1 DSI Splitter
cable can be used to split the RJ45 connector on the drive into two RJ45
connectors.
1-4Getting Started
Multi-Drive mode enables increased connectivity, where one to five
PowerFlex 4-Class drives can be connected per channel. All of the drives
are daisy-chained to the 1769-SM2 module over RS-485 as shown in
Figure 1.3
Figure 1.3 Multi-Drive Mode Wiring Example
Wiring Tip:
The 1769-SM2 has an
integral terminating
resistor for each channel.
Thus, it is only necessary
to connect a terminating
resistor to the RJ45
terminal block at the last
drive on each channel.
1769-SM2
Module
MODULE
CH1
C
H
1
CH1
C
H
2
CH2
C
H
3
CH3
.
CH2 CH3
AK-U0-RJ45-TB2P
Terminal Block
Connectors
User-Supplied Wire (recommend
Belden No. 3105A or equivalent)
AK-U0-RJ45-TB2P
Terminal Block
Connectors
User-Supplied Wire (recommend
Belden No. 3105A or equivalent)
Up to 5 PowerFlex 4-Class drives
120 ohm, ¼ Watt
Terminating Resistor
Up to 5 PowerFlex 4-Class drives
120 ohm, ¼ Watt
Terminating Resistor
Earth Ground
Connection
Ground Wire Connection
(for network
communication
cable shielding)
AK-U0-RJ45-TB2P
Terminal Block
Connectors
User-Supplied Wire (recommend
Belden No. 3105A or equivalent)
Up to 5 PowerFlex 4-Class drives
120 ohm , ¼ Watt
Terminating Resistor
Getting Started1-5
In Multi-Drive mode, any channel can be configured for “RTU Master”
operation (Figure 1.4). This enables connection of up to 31 RTU Slave
devices, such as PowerFlex 7-Class drives with 20-COMM-H RS485
HVAC adapters.
Figure 1.4 Multi-Drive Mode and Modbus RTU Master Mode Wiring Example
CH1 - Multi-Drive Mode (up to 5 PowerFlex 4-Class Drives)
AK-U0-RJ45-TB2P
Terminal Block
Wiring Tip:
The 1769-SM2 has an
integral terminating
resistor for each channel.
Thus, it is only necessary
to connect a terminating
resistor to the RJ45
terminal block at the last
drive on each channel.
CH1
CH2
CH3
1769-SM2
Module
MODULE
CH1
CH2 CH3
C
H
1
C
H
2
C
H
3
Connectors
User-Supplied Wire (recommend
Belden No. 3105A or equivalent)
CH2 - Multi-Drive Mode (up to 5 PowerFlex 4-Class Drives)
AK-U0-RJ45-TB2P
Terminal Block
Connectors
User-Supplied Wire (recommend
Belden No. 3105A or equivalent)
Terminating Resistor
Terminating Resistor
120 ohm, ¼ Watt
120 ohm, ¼ Watt
Earth Ground
Connection
Ground Wire Connection
(for network
communication
cable shielding)
CH3 - Modbus RTU Master Mode (up to 31 Devices)
PowerFlex 7-Class Drives
with 20-COMM-H RS485 HVAC
Communication Adapters
. . .
User-Supplied Wire (recommend
Belden No. 3105A or equivalent)
Terminating Resistor
Generic
Modbus RTU
Device
120 ohm, ¼ Watt
1-6Getting Started
Benefits of Multi-Drive mode include:
• Lower hardware costs. Only one 1769-SM2 is needed for up to five
PowerFlex 4-Class drives per channel (15 total).
• Controller can independently control, monitor, and read/write
parameters for all five drives on each channel (same functionality as
Single mode).
The trade-offs of Multi-Drive mode include:
• Since the RS-485 ports are used for daisy-chaining the drives,
additional DSI peripheral devices cannot be used with the drives.
This includes an optional, external PowerFlex 4-Class HIM
(22-HIM-A3 or 22-HIM-C2S) or a 22-SCM-232 Serial Converter
module with a software tool. The AK-U0-RJ45-SC1 DSI Splitter
cable cannot be used to add a second connection for a DSI peripheral
device.
Compatible Products
The 1769-SM2 module is compatible with Allen-Bradley PowerFlex
4-Class (Component class) drives and other products that support DSI.
At the time of publication, compatible products include:
• PowerFlex 4 drives
• PowerFlex 4M drives
• PowerFlex 40 drives
• PowerFlex 40P drives
• PowerFlex 400 drives
When the 1769-SM2 is used in Multi-Drive as a Modbus RTU Master,
other Modbus RTU Slave devices, such as PowerFlex 7-Class drives
with 20-COMM-H RS485 HVAC adapters, can also be connected.
Required Equipment
Equipment Shipped with the Module
When you unpack the module, verify that the package includes:
❑ One 1769-SM2 module
❑ This manual
Getting Started1-7
User-Supplied Equipment
To install and configure the 1769-SM2 module, you must supply:
❑ A small flathead screwdriver
❑ Communications cable 22-RJ45CBL-C20
- orAK-U0-RJ45-TB2P terminal block connectors (one for each
channel connection and one for each drive connection) and twisted
pair network wiring (Belden No. 3105A or equivalent)
❑ Configuration tool, such as:
– PowerFlex 4-Class HIM (22-HIM-A3 or 22-HIM-C2S)—
required to access module parameters if not using DriveExplorer
software or DriveExecutive software
– DriveExplorer (version 3.01 or higher)
– DriveExecutive stand-alone software (version 4.01 or higher) or
bundled with the DriveTools SP suite (version 4.01 or higher)
– RSNetWorx for DeviceNet
❑ Controller configuration software (such as RSLogix 500/5000)
Safety Precautions
Please read the following safety precautions carefully.
ATTENTION: Risk of injury or death exists. The PowerFlex drive
may contain high voltages that can cause injury or death. Remove all
!
power from the PowerFlex drive, and then verify power has been
removed before installing or removing the module.
ATTENTION: Risk of injury or equipment damage exists. Only
personnel familiar with drive and power products and the associated
!
machinery should plan or implement the installation, start-up,
configuration, and subsequent maintenance of the product using the
module. Failure to comply may result in injury and/or equipment
damage.
ATTENTION: Risk of injury or equipment damage exists. If the
module is transmitting control I/O to the drive, the drive may fault when
!
you reset the module. Determine how your drive will respond before
resetting the module.
ATTENTION: Risk of injury or equipment damage exists. When a
system is configured for the first time, there may be unintended or
!
incorrect machine motion. Disconnect the motor from the machine or
process during initial system testing.
1-8Getting Started
ATTENTION: Risk of injury or equipment damage exists.
Parameters 04 - [Idle Action 1], 19 - [Idle Action 2], and 34 - [Idle
!
Action 3] let you determine the action of the module and connected
drives if communications are disrupted. By default, these parameters
fault the drive. You can set these parameters so that the drive continues
to run. Precautions should be taken to ensure that the settings of these
parameters do not create a risk of injury or equipment damage. When
commissioning the drive, verify that your system responds correctly to
various situations (for example, a disconnected cable or a faulted
controller).
ATTENTION: Risk of injury or equipment damage exists. The
examples in this publication are intended solely for purposes of
!
example. There are many variables and requirements with any
application. Rockwell Automation, Inc. does not assume responsibility
or liability (to include intellectual property liability) for actual use of
the examples shown in this publication.
ATTENTION: This equipment is intended for use in a Pollution
Degree 2 industrial environment, in overvoltage Category II
!
applications (as defined in IEC publication 60664-1), at altitudes up to
2000 meters without derating.
This equipment is considered Group 1, Class A industrial equipment
according to IEC/CISPR Publication 11. Without appropriate
precautions, there may be potential difficulties ensuring
electromagnetic compatibility in other environments due to conducted
as well as radiated disturbance.
This equipment is supplied as “open type” equipment. It must be
mounted within an enclosure that is suitably designed for those specific
environmental conditions that will be present and appropriately
designed to prevent personal injury resulting from accessibility to live
parts. The interior of the enclosure must be accessible only by the use
of a tool. Subsequent sections of this publication may contain
additional information regarding specific enclosure type ratings that are
required to comply with certain product safety certifications.
See NEMA Standards publication 250 and IEC publication 60529, as
applicable, for explanations of the degrees of protection provided by
different types of enclosure. Also, see the appropriate sections in this
publication, as well as the Allen-Bradley publication 1770-4.1
(“Industrial Automation Wiring and Grounding Guidelines”), for
additional installation requirements pertaining to this equipment.
Getting Started1-9
Quick Start
This section is provided to help experienced users quickly start using the
1769-SM2 Compact I/O to DSI module. If you are unsure how to
complete a step, refer to the referenced chapter.
Step ActionRefer to…
1Review the safety precautions for the module.Throughout This Manual
2Verify that the drive is properly installed.Drive User Manual
3Install the module.
Verify that the controller is not powered. Connect the
module to the controller backplane bus. Then connect
the module to the drive(s) using communications cable
22-RJ45CBL-C20 or AK-U0-RJ45-TB2P terminal block
connectors and communications network wiring.
4Apply power to the module.
The module receives power from the controller. Apply
power to the controller. The MODULE indicator should
be green or flashing green. If it flashes red, there is a
problem. Refer to Chapter
5Configure the module for your application.
Set the following parameters for the module as required
by your application:
• I/O configuration.
• Fault actions.
6Apply power to the drive.Drive User Manual
7Configure the controller to communicate with the
module.
8Create a ladder logic program.
Use a programming tool such as RSLogix to create a
ladder logic program that enables you to:
• Control the module and connected drive.
• Monitor or configure the drive using Explicit
Messages.
9, Troubleshooting.
Chapter
2,
Installing the Module
3,
Chapter
Configuring the Module
Depending on the type of
controller and 1769-SM2
operating mode:
• Chapter
• Chapter 7,
• Chapter 8,
6,
MicroLogix 1500
Example Ladder
Programs
CompactLogix
Example Ladder
Programs
ControlLogix w/
1769-ADN DeviceNet
Example Ladder
Program
1-10Getting Started
Status Indicators
The module uses four status indicators to report its operating status.
They can be viewed on the front of the module (Figure 1.5
Figure 1.5 Status Indicators
MODULE
CH1
CH2 CH3
DSI
C
H
1
C
H
2
C
H
3
Item Name
MODULE
➊
CH1
➋
CH2
➌
CH3
➍
).
➊
MODULE
CH1
CH2
CH3
➋
➍
➌
After installing the module and applying power to the drive(s), refer to
Viewing Start-Up Status Indicators
status indications and their descriptions.
on page 2-15 for possible start-up
Chapter 2
Installing the Module
This chapter provides instructions for installing the 1769-SM2 as an
expansion I/O module on MicroLogix 1500 and CompactLogix
controllers, or with a remote 1769-based adapter.
TopicPage
Preparing for an Installation
Removing Power2-2
Setting the Configuration Mode Switch2-3
Setting the Operating Mode Switch (Single/Multi-Drive)2-4
Assembling the Module to the Controller2-5
Mounting the Module2-6
Replacing the Module within a System2-9
Connecting Drive(s) to the Module2-10
Grounding the Module2-12
Network Cable Strain Relief2-14
Applying Power2-14
Viewing Start-Up Status Indicators2-15
2-1
Preparing for an Installation
Consider the following when installing the 1769-SM2 module:
• Verify that you have all required equipment. Refer to Required
Equipment on page 1-6.
• A MicroLogix 1500 Base Unit or Compact I/O power supply has
limits in the amount of +5V dc and +24V dc current it can supply to
modules in its I/O bank. These limits depend on the catalog number
(e.g. 1769-PA2) of the power supply. A bank of modules must not
exceed the current limits of the MicroLogix 1500 Base Unit or I/O
bank power supply.
Refer to the MicroLogix 1500 User Manual (publication
1764-UM001) or the Compact 1769 Expansion I/O Power Supplies Installation Instructions (publication 1769-5.14).
• The module has a distance rating of four. Therefore, the module must
be within four modules of the I/O bank’s power supply.
2-2Installing the Module
ATTENTION: Risk of equipment damage exists. The 1769-SM2
module contains ESD (Electrostatic Discharge) sensitive parts that can
!
be damaged if you do not follow ESD control procedures. Static control
precautions are required when handling the module. If you are
unfamiliar with static control procedures, refer to Guarding Against Electrostatic Damage (publication 8000-4.5.2).
Removing Power
ATTENTION: Risk of equipment damage exists. Remove power
before installing or removing the 1769-SM2 module. When you install
!
or remove the module with power applied, an electrical arc may occur.
An electrical arc can cause personal injury or equipment damage by:
• Sending an erroneous signal to your system’s field devices, causing
unintended machine motion.
• Causing an explosion in a hazardous environment.
Electrical arcing causes excessive wear to contacts on both the module
and its mating connector. Worn contacts may create electrical
resistance.
Installing the Module2-3
Setting the Configuration Mode Switch
Before installing the module, make sure its Configuration Mode Switch
is correctly set. See Configuration Methods on page 3-3 for details on
the Controller and Parameter configuration modes. Then set the
Configuration Mode Switch (SW1 in Figure 2.1
Figure 2.1 Configuration Mode and Single/Multi-Drive Operation Switch Locations
) for your application.
SW1 SettingDescription
CONT (Controller)
back position
PARAM (Parameter)
front position
Default setting—The 1769-SM2 module uses the configuration
data downloaded from the controller on power-up and when the
controller is placed in run mode.
The 1769-SM2 module uses its internal parameter settings to
configure the module.
Configuration
Mode Switch
(SW1)
Operating
Mode Switch
(SW2)
(Controller
Position)
CONTPARAM
(Single
Position)
(Parameter
Position)
1X5X
(Multi-Drive
Position)
2-4Installing the Module
Setting the Operating Mode Switch (Single/Multi-Drive)
Before installing the module, set its Operating Mode Switch (SW2 in
Figure 2.1) for Single or Multi-Drive operation. All channels (CH1,
CH2, and CH3) will operate in the selected mode.
SW2 SettingDescription
1X (Single mode)
back position
5X (Multi-Drive mode)
front position
Default setting — sets the 1769-SM2 module for Single mode
using a single drive connection (one drive per channel).
Important: In Single mode, only one drive can be connected per
channel. Connections to multiple drives must be removed since
all powered and connected hosts will respond to any message
sent by the module.
Sets the 1769-SM2 module for Multi-Drive mode using up to five
PowerFlex 4-Class drives per channel.
In Multi-Drive mode, DSI peripherals such as the 22-HIM-A3 /
-C2S Human Interface Module, 22-SCM-232 serial converter, etc.
CANNOT be used. They will not operate with the 1769-SM2
module or drives.
The specific number of drives used in Multi-Drive mode for each
channel and a unique address for each drive must be configured
using 1769-SM2 module parameters. For instructions, see
Setting the I/O Configuration (Multi-Drive Mode Only)
page 3-14 and Setting Drive Node Addresses (Multi-Drive Mode
Only) on page 3-16.
NOTE: In Multi-Drive mode, each channel can be independently
configured for Modbus RTU Master operation by setting the
respective channel’s [DSI I/O Cfg] parameter to “5” (RTU Master).
This enables up to 31 RTU slave devices, such as PowerFlex
7-Class drives with 20-COMM-H RS485 HVAC adapters to be
connected to that channel.
on
Important: A new switch setting is recognized only when power is
applied to the module, or the module is reset. If you change
a setting, cycle power or reset the module.
The Configuration Mode Switch (SW1) and Operating Mode Switch
(SW2) settings can be verified by respectively viewing module
Parameters 01 - [Config Mode] and 02 - [DSI Mode] using an
optional, external PowerFlex 4-Class HIM, DriveExplorer software or
DriveExecutive software.
Installing the Module2-5
Assembling the Module to the Controller
The 1769-SM2 module can be attached to adjacent controller modules
before or after mounting. For mounting instructions, see Panel
Mounting on page 2-6 or DIN Rail Mounting on page 2-8. To work with
a system that is already mounted, see Replacing the Module within a
System on page 2-9.
Figure 2.2 and the following procedure describes how to assemble the
Compact I/O system.
Figure 2.2 Assembling 1769-SM2 Module to Compact I/O System
A
C
B
D
E
B
F
1. Disconnect power.
2. Check that the bus lever (A) of the 1769-SM2 module is in the
unlocked (fully right) position.
3. Use the upper and lower tongue-and-groove slots (B) to secure the
modules together.
4. Move the 1769-SM2 module back along the tongue-and-groove slots
until the bus connectors (C) line up with each other.
5. Use your fingers or a small screwdriver to push the bus lever back
slightly to clear the positioning tab (D).
6. Move the 1769-SM2 module’s bus lever fully to the left (E) until it
clicks. Ensure it is locked firmly in place.
G
ATTENTION: Risk of equipment damage exists. When attaching the
1769-SM2 module to a Compact I/O system, it is very important that
!
the bus connectors are securely locked together to ensure proper
electrical connection. Failure to do this may cause an electrical arc,
which can cause personal injury or equipment damage.
2-6Installing the Module
7. Attach an end cap terminator (F) to the last module in the system by
using the tongue-and-groove slots as before.
8. Lock the end cap bus terminator (G).
Important: A 1769-ECR or 1769-ECL right or left end cap must be
Mounting the Module
ATTENTION: Risk of equipment damage exists. During panel or
DIN rail mounting of all devices, be sure that all debris (metal chips,
!
wire strands, etc.) is kept from falling into the 1769-SM2 module.
Debris that falls into the module could cause damage on power up.
Minimum Spacing
Maintain spacing from enclosure walls, wireways, adjacent equipment,
etc. Allow 50 mm (2 in.) of space on all sides for adequate ventilation as
shown:
used to terminate the end of the serial communication
bus.
To p
Side
Allow at least 140 mm (5.5 in.) of enclosure depth to accommodate the
1769-SM2 module.
Panel Mounting
Mount the 1769-SM2 module to a panel using two screws per module.
Use M4 or #8 panhead screws (not included). Mounting screws are
required on every module.
Controller
Compact I/O
Compact I/O
Compact I/O
Bottom
Compact I/O
Compact I/O
End Cap or Cable
Side
Installing the Module2-7
Panel Mounting Using the Dimensional Drawing
NOTE: All dimensions are in mm (inches). Hole spacing tolerance is
±0.4 mm (0.016 in.).
Figure 2.3 1769-SM2 Module with MicroLogix 1500 Base Unit and Processor
Mounting Hole
Dimension
132 mm (5.19 in)
122.6 mm (4.83 in)
59 mm
59 mm
(2.32 in)
(2.32 in)
118 mm (4.65 in)
168 mm
(6.62 in)
147 mm
(5.79 in)
ANport
PI / SC
D
C
H
1
C
H
2
C
H
3
DIN Rail
Center Line
13.5 mm
(0.53 in)
Figure 2.4 1769-SM2 Module with CompactLogix Controller
35 mm
Mounting Hole
Dimension
50 mm
(1.97 in)
40 mm
(1.58 in)
(1.38 in)
35 mm
(1.38 in)
(2.76 in)
35 mm
(1.38 in)
14.7 mm
(0.58 in)
70 mm
35 mm
(1.38 in)
59 mm
(2.32 in)
132 mm (5.19 in)
122.6 mm (4.83 in)
118 mm (4.65 in)
59 mm
(2.32 in)
CH1
MODULE
CH2
CH3
35 mm
(1.38 in)
35 mm
(1.38 in)
35 mm
(1.38 in)
35 mm
(1.38 in)
MODULE
ort
CH1
CH2
DPI / SCANp
C
H
1
C
H
2
C
H
3
28.5 mm
(1.12 in)
147.4 mm (5.81 in)
28.5 mm
(1.12 in)
CH3
147.4 mm (5.81 in)
DIN Rail
Center Line
14.7 mm
(0.58 in)
2-8Installing the Module
Figure 2.5 1769-SM2 Module with Remote 1769-Based Adapter
35 mm
(1.38 in)
35 mm
(1.38 in)
35 mm
(1.38 in)
port
CH1
N
A
C
I / S
P
D
C
H
1
C
H
2
C
H
3
28.5 mm
(1.12 in)
MODULE
CH2
CH3
147.4 mm (5.81 in)
Mounting Hole
Dimension
132 mm (5.19 in)
122.6 mm (4.83 in)
59 mm
59 mm
(2.32 in)
(2.32 in)
50 mm
(1.97 in)
40 mm
(1.58 in)
MS
IO
118 mm (4.65 in)
35 mm
(1.38 in)
35 mm
(1.38 in)
NS
DIAG
DIN Rail
Center Line
70 mm
(2.76 in)
35 mm
(1.38 in)
14.7 mm
(0.58 in)
Panel Mounting Procedure Using Module as a Template
The following procedure enables you to use the assembled modules as a
template for drilling holes in the panel. Due to module mounting hole
tolerance, it is important to follow these steps:
1. On a clean work surface, assemble no more than three modules.
2. Using the assembled modules as a template, carefully mark the
center of all module-mounting holes on the panel.
3. Return the assembled modules to the clean work surface, including
any previously mounted modules.
4. Drill and tap the mounting holes for the recommended M4 or #8
screw (not included).
5. Place the modules back on the panel, and check for proper hole
alignment.
6. Attach the modules to the panel using the mounting screws.
DIN Rail Mounting
The 1769-SM2 module can be mounted using these DIN rails:
• 35 x 7.5 mm (EN 50 022 - 35 x 7.5)
• 35 x 15 mm (EN 50 022 - 35 x 15)
When mounting the module to a DIN rail, make sure that the latches are
closed and properly securing the module.
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