Rockwell Automation 1792D-12BT4PE User Manual
Installation Instructions
ArmorBlock MaXum 12 Input/
4 Output Module With Ground Lug
Cat. No. 1792D-12BT4PE
Ground lug
43881
This ArmorBlock MaXum I/O module (Cat. No. 1792D-12BT4PE) is
a stand-alone 24V dc I/O product, which communicates via a
DeviceNet network. The sealed housing of this module requires no
enclosure.
This module has 12 inputs and 4 outputs accessed through Y splitter
cables. Inputs are 24V dc devices. Four self-protected 24V dc outputs
can provide up to 2.0 amp each. Diagnostic features are short circuit,
open wire and no load detection reported to the connector level for
inputs and to point level for outputs. Local logic control has been
included.
An external lug exists to ground the block.
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2 ArmorBlock MaXum 12 Input/ 4 Output Module With Ground Lug
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://www.ab.com/manuals/gi) 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.
1792D-IN056A-EN-P - October 2004
ArmorBlock MaXum 12 Input/ 4 Output Module With Ground Lug 3
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.
NOTE: 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.
Package Contents
Your package contains:
• 1 ArmorBlock MaXum module
• these installation instructions
(Note: Cable bases are ordered and shipped separately.)
Publication
1792D-IN056A-EN-P - October 2004
4 ArmorBlock MaXum 12 Input/ 4 Output Module With Ground Lug
Install Your ArmorBlock MaXum I/O Module
To install the module you must:
• Set the node address
• Mount the module to the cable base
• Connect the input/output cord sets to the MaXum module
• Communicate with your ArmorBlock MaXum I/O module
Each of these steps is explained in the following procedures.
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.
Set the Node Address
Valid node addresses are 00 through 63.
Set the node address using the rotary switches, RSNetWorx for
DeviceNet, or another software configuration tools. Setting the
switches to a number from 64 through 99 lets the software have
address control.
Each module is shipped set for node address 63. The switches are
located on the underside of the module. The two switches are:
• MSD (most significant digit)
• LSD (least significant digit)
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ArmorBlock MaXum 12 Input/ 4 Output Module With Ground Lug 5
To reset the node address, use a small blade screwdriver to rotate the
switches. Line up the small black dot on the switch with the number
setting you wish to use.
The rotary switches are read at module power up only. Settings from
64 through 99 cause the module to use the last valid node address
stored internally. For example, the last setting was 40. If a change is
made to 68, and then you power up, the address will default to 40.
Refer to the following illustration of the node address.
Node Address is
set at 62; see
small black dots.
41462
The module is equipped with AutoBaud detect. AutoBaud lets the
module read the settings already in use on your DeviceNet network
and automatically adjusts to follow those settings.
Mount the Module to the Cable Ba se
This module mounts to the following cable bases:
• 1792D-CBFM for KwikLink flat media installation
• 1792D-CB12 for 12mm drop cable installation
• 1792D-CB18P for round media DeviceNet and output power
• other optional cable base assembly
IMPORTANT
The cable base should already be installed. For
more information about the cable base, see
publication 1792D-IN036 (CB18P) or 1792D-IN009
(CBFM, CB12).
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6 ArmorBlock MaXum 12 Input/ 4 Output Module With Ground Lug
To install the module:
IMPORTANT
Proper alignment of the screws is necessary to
complete the connections between the module
contacts and the cable contacts.
1. Position the module over the mounted cable base. Align the
three captive screws in the module with the accepting
receptacles in the base.
2. Tighten the screws with a torque of 8 inch-pounds to secure
the module to the base.
Note: Dimensions change according to the cable base and
module combination used.
2
.
7
i
n
.
.9in. (48.26mm)
Cable Base
1792D-CBFM is used
for this example.
6.85in. (174)mm
Ground lug
Align the
screws to
properly
secure the
module to
the base.
(
6
8
.
6
m
m
)
43880
WARNING
Publication
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.
1792D-IN056A-EN-P - October 2004
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