Allen-Bradley Data dc (10-30V) Input Module (1771-IVN SERIES C) Installation Instructions
Allen-Bradley Data dc (10-30V) Input Module (1771-IVN SERIES C) is a versatile input module designed for use in industrial environments. This module can be used to monitor a variety of DC signals, such as those from switches, sensors, and other devices. It features 32 inputs that can be used to detect both positive and negative voltage signals. The module is compatible with various Allen-Bradley processors and can be used in both local and remote applications.
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Cat. No. 1771-IVN Series C
Use this document as a guide when installing the catalog number
1771-IVN series C input module.
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Because of the variety of uses for the products described in this
publication, those responsible for the application and use of these
products 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. In no event will Rockwell Automation be
responsible or liable for indirect or consequential damage resulting
from the use or application of these products.
Any illustrations, charts, sample programs, and layout examples
shown in this publication are intended solely for purposes of
example. Since there are many variables and requirements associated
with any particular installation, Rockwell Automation does not
assume responsibility 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
Application, Installation, and Maintenance of Solid–State Control
(available from your local Rockwell Automation 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.
Installation Instructions
DC (10–30V) Input Module2
Reproduction of the contents of this copyrighted publication, in
whole or part, without written permission of Rockwell Automation,
is prohibited.
Throughout this publication, notes may be used to make you aware
of safety considerations. The following annotations and their
accompanying statements help you to identify a potential hazard.
avoid a potential hazard, and recognize the consequences of a
potential hazard.
!
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.
!
Identifies information about practices or
circumstances that may lead to personal injury or
death, property damage, or economic loss.
IMPORTANT
Identifies information that is critical for
successful application and understanding of the
product.
Reproduction of the contents of this copyrighted publication, in
whole or part, without written permission of Rockwell Automation,
is prohibited.
Throughout this publication, notes may be used to make you aware
of safety considerations. The following annotations and their
accompanying statements help you to identify a potential hazard.
avoid a potential hazard, and recognize the consequences of a
potential hazard.
!
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.
!
Identifies information about practices or
circumstances that may lead to personal injury or
death, property damage, or economic loss.
IMPORTANT
Identifies information that is critical for
successful application and understanding of the
product.
DC (10–30V) Input Module 3
!
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 enclosures. 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.
!
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 enclosures. 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.
DC (10–30V) Input Module4
!
ATTENTION
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, keep modules in appropriate
static–safe packaging.
The 1771-IVN Series C dc input module is a source input and
requires a sink output. A source input provides a positive voltage
path and a sink output provides a path to ground.
You must use this module in a Series B or later 1771 I/O chassis.
Refer to the table below for processor compatibility.
Processor Compatibility Chart
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WARNING
!
When used in a Class I, Division 2, hazardous
location, this equipment must be mounted in a
suitable enclosure with proper wiring method that
complies with the governing electrical codes.
Do not place this module in the same I/O chassis as the 1771-IX
thermocouple module. You can use this module in the same chassis
as the 1771-IXE thermocouple module. You can use this module in
the same chassis as the 1771–IXE thermocouple module.
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!
ATTENTION
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, keep modules in appropriate
static–safe packaging.
The 1771-IVN Series C dc input module is a source input and
requires a sink output. A source input provides a positive voltage
path and a sink output provides a path to ground.
You must use this module in a Series B or later 1771 I/O chassis.
Refer to the table below for processor compatibility.
Processor Compatibility Chart
! ! " #
2 ) 32 34® 5 6 6 3278 3279
) 32 34 . 5 6 6 32:8 32:9
) 32 34 5 6 6 32+8 32+9
2 34 ®8 / ! 5 6 6 ;32<9
$ 5# ' 3-/
4= ! 9
2 34® 5 6 6 329
2 34 5 6 6 329
2 3® 5 6 6 32 8 328 328 32"9
2 34 5 6 6 32"8 32;9
2 34 8 / ! 5 6 6 ;32<9
WARNING
!
When used in a Class I, Division 2, hazardous
location, this equipment must be mounted in a
suitable enclosure with proper wiring method that
complies with the governing electrical codes.
Do not place this module in the same I/O chassis as the 1771-IX
thermocouple module. You can use this module in the same chassis
as the 1771-IXE thermocouple module. You can use this module in
the same chassis as the 1771–IXE thermocouple module.
$
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Key Features
- 32 Inputs
- 10-30V dc Input Range
- Modular Design
- Series B compatible
- Status Indicators
- Field Wiring Arm
- UL Certified
- CSA Certified
- CE Marked
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Frequently Answers and Questions
What is the input voltage range of this module?
The input voltage range for the Allen-Bradley Data dc (10-30V) Input Module (1771-IVN SERIES C) is 10 to 30V dc.
How many inputs does this module have?
This module has 32 inputs.
What is the purpose of the field wiring arm?
The field wiring arm allows you to connect wires to the module without having to remove the module from the chassis. It acts as a terminal strip.
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