Rockwell Automation 1734-IE2C User Manual

Installation Instructions

POINT I/O 2 Current and 2 Voltage Input
Analog Modules

Catalog Numbers 1734-IE2C and 1734-IE2V, Series C

Inside…

For This Topic See Page

Important User Information 2
Environment and Enclosure 3
Preventing Electrostatic Discharge 4
Before You Begin 4
Identify Module Components 5
Install the Mounting Base 6
Install the Module 7
Install the Removable Terminal Block (RTB) 8
Remove a Mounting Base 9
Communicate with Your Module 10
Wire the Module 11
Troubleshoot with Indicators 14
North American Hazardous Location Approval 17
European Hazardous Location Approval 18
Specifications 19

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S

Important User Information

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://literature.rockwellautomation.com) 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 pers onal injury or death, property damage, or
economic loss.

IMPORTANT

ATTENTION

HOCK HAZARD

BURN HAZARD

Publication

Identifies information that is critical for successful application and understanding of the
product.

Identifies information about practices or ci rcumstances that can lead to pe rsonal injury or
death, property damage, or economic loss. Attentions help you:

• identify a hazard

• avoid a hazard

• recognize the consequence

Labels may be located on or inside the equipment (e.g., drive or motor) to alert people
that dangerous voltage may be present.

Labels may be located on or inside the equipment (e.g., drive or motor) to alert people
that surfaces may be dangerous temperatures.

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ATTENTION

Environment and Enclosure

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.

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ATTENTION

Preventing Electrostatic Discharge

This equipment is sensitive to electrostatic
discharge, which can cause internal damage and
affect normal operation. Follow these guidelines
when you handle this equipment:

• Touch a grounded object to discharge
potential static.

• Wear an approved grounding wriststrap.

• Do not touch connectors or pins on

component boards.

• Do not touch circuit components inside the
equipment.

• If available, use a static-safe workstation.

• When not in use, store the equipment in

appropriate static-safe packaging.

Before You Begin

Read this manual for information about how to install the following
modules.

• 1734-IE2C, Series C, POINT I/O Current Input Analog Module

• 1734-IE2V, Series C, POINT I/O Voltage Input Analog Module

You can use these Series C modules with DeviceNet and PROFIBUS
adapters. If you are using RSLogix 5000 software version 11 or higher ,
you can also use these Series C modules with ControlNet and
Ethernet adapters.

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.

Identify Module Components

Use the figures to identify the external features of the modules.

Slide-in Writable Label

Insertable I/O

Module Locking
Mechanism

Module Wiring
Diagram

DIN Rail Locking Screw
(orange)

Mechanical
keying
(orange)

Interlocking
Side Pieces

Mounting Base

Module

RTB Removable Handle

Removable Terminal
Block (RTB)

43930

Wiring Base Assembly is Terminal Base 1734-TB or 1734-TBS
.

(Mounting Base 1734-MB and Removable Terminal Block 1734-RTB or 1734-RTBS)

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Install the Mounting Base

To install the mounting base on the DIN rail, proceed as follows.

ATTENTION

POINT I/O is grounded through the DIN rail to
chassis ground. Use zinc-plated, yellow-chromated
steel DIN rail to assure proper grounding. The use
of DIN rail materials (e.g., aluminum, plastic, etc.)
that can corrode, oxidize, or are poor conductors,
can result in improper or intermittent grounding.
Secure DIN rail to mounting surface approximately
every 200 mm.

1. Position the mounting base vertically above the installed units
(adapter, power supply, or existing module).

2. Slide the mounting base down so that the interlocking side
pieces engage the adjacent module or adapter.

3. Press firmly to seat the mounting base on the DIN rail.

The mounting base will snap into place.

ATTENTION

Do not discard the end cap shipped with an
adapter or communication interface module.
Use this end cap to cover the exposed
interconnections on the last mounting base on the
DIN rail.
Failure to do so could result in equipment damage
or injury from electric shock.

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Install the Module

POINT I/O 2 Current and 2 Voltage Input Analog Modules 7

WARNING

When you insert or remove the module while
backplane power is on, an electrical arc can occur.
This could cause an explosion in hazardous
location installations.

Be sure that power is removed or the area is
nonhazardous before proceeding. Repeated
electrical arcing causes excessive wear to contacts
on both the module and its mating connector. Worn
contacts may create electrical resistance that can
affect module operation.

Install the module before or after base installation. Make sure that
you:

• correctly keyed the mounting base before installing the
module into the mounting base

• positioned the mounting base locking screw horizontal with
reference to the base

To install the module, proceed as follows.

1. Using a bladed screwdriver, rotate the keyswitch on the
mounting base clockwise until the number required for the
type of module you are installing aligns with the notch in the
base.

2. Make certain the DIN rail locking screw is in the horizontal
position.

You cannot insert the module if the locking mechanism is
unlocked.

3. Insert the module straight down into the mounting base and
press to secure.

The module will lock into place.

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Install the Removable Terminal Block (RTB)

A removable terminal block comes with your wiring base assembly.
To remove, pull up on the RTB handle. You can now remove the
mounting base and replace as necessary without removing any of the
wiring.
To reinsert the removable terminal block, proceed as follows.

1. Insert the end opposite the handle into the base unit.

This end has a curved section that engages with the wiring
base.

2. Rotate the terminal block into the wiring base until it locks
itself in place.

3. If an I/O module is installed, snap the RTB handle into place
on the module.

WARNING

Publication

When you connect or disconnect the removable
terminal block (RTB) with field-side power
applied, an electrical arc can occur. This could
cause an explosion in hazardous location
installations.

Be sure that power is removed or the area is
nonhazardous before proceeding.

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