Installation Instructions
ArmorPoint I/O Field Potential Distributor,
Series A
(Cat. No. 1738-FPD)
The field potential distributor (Cat. no. 1738-FPD) lets you change the
field power distribution source for I/O modules to the right of the
1738-FPD. This facilitates logical or functional partitioning of high
I/O-mix applications.
The 1738-FPD field potential distributor passes through all
ArmorPoint™ I/O backplane signals except the internal power bus.
You can use the 1738-FPD with a range of voltage inputs, including
5V dc to 250V dc and/or 24V ac to 240V ac applications and I/O
modules. The mounting base ships with the module.
Field Potential
Distributor
Wire marker
Mini connector
1738-FPD
Power Distribution
P
O
A
W
U
E
X
R
43674
1 Publication 1738-IN019A-EN-E - June 2004
2 ArmorPoint I/O Field Potential Distributor, Series A
SHOCK HAZARD
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 betwee n 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 liabl e for indirect or consequential damages
resulting from the use or application of th is equipment.
The examples and diagrams in this manual are included solely for illustrati ve 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 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
ATTENTION
BURN HAZARD
Identifies information that is critical for successful application and understanding of
the product.
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
• recognize the consequence
Labels may be located on or inside the equipment to alert people that dangerous
voltage may be present.
Labels may be located on or inside the equipment to alert people that surfaces may
be dangerous temperatures.
Publication 1738-IN019A-EN-E - June 2004
ArmorPoint I/O Field Potential Distributor, Series A 3
ATTENTION
Environment and Enclosure
This equipment is intended for use in overvoltage
Category II applications (as defined in IEC
publication 60664-1), at altitudes up to 2000 meters
without derating.
This equipment is considered Grou p 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 "enclosed" equipment.
It should not require additional system enclosure
when used in locations consistent with the enclosure
type ratings stated in the Specifications section of this
publication. Subsequent sections of this publication
may contain additional information regarding
specific enclosure type ratings, beyond what this
product provides, 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, se e 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.
Publication 1738-IN019A-EN-E - June 2004
4 ArmorPoint I/O Field Potential Distributor, Series A
1.9 in.
2.0 in.
0.87 in.
2.0 in.
0.87 in.
2.0 in.
Mount the I/O Base
ATTENTION
Preventing Electrostatic Discharge
This equipment is sensitive to electrostatic dischar ge,
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.
To mount the ArmorPoint I/O base on a wall or panel, use the screw
holes provided in the ArmorPoint base.
Adapter
4.02 in.
102 mm
IMPORTANT
The ArmorPoint I/O module must be mounted on a
grounded metal mounting plate or other conductive
surface.
A mounting illustration for the ArmorPoint base with an adapter is
shown below.
1.81 in.
46 mm
47.2 mm
50 mm
22 mm
50 mm
22 mm
50 mm
43769
Publication 1738-IN019A-EN-E - June 2004
ArmorPoint I/O Field Potential Distributor, Series A 5
Install the mounting base as follows:
1. Lay out the required points as shown above in the drilling
dimension drawing.
2. Drill the necessary holes for #8 (M4) machine or self-tapping
screws.
3. Mount the base using #8 (M4) screws.
4. Ground the system using the ground lug connection. (The
ground lug connection is also a mounting hole.)
Mounting base
Keyswitch Set to position
8 for the
1738-FPD
Grounding lug connection
43675
Latching mechanism
Publication 1738-IN019A-EN-E - June 2004
6 ArmorPoint I/O Field Potential Distributor, Series A
31416-M
Install the ArmorPoint Field
To install the FPD, proceed as follows.
Potential Distributor (FPD)
1. Using a bladed screwdriver, rotate the keyswitch on the
mounting base clockwise until the number 8 aligns with the
notch in the base.
2. Position the FPD vertically above the mounting base. The FPD
will bridge two bases.
Module will bridge two bases.
3. Push the FPD down until it engages the orange latching
mechanism. You will hear a clicking sound when the FPD is
properly engaged.
The locking mechanism will lock the FPD to the base.
Remove the ArmorPoint Field Potential Distributor From the
Mounting Base
To remove the FPD from the mounting base:
1. Put a flat blade screwdriver into the slot of the orange latching
mechanism.
2. Push the screwdriver toward the I/O module to disengage the
latch.
The module will lift up off the base.
3. Pull the module off of the base.
Publication 1738-IN019A-EN-E - June 2004
ArmorPoint I/O Field Potential Distributor, Series A 7
Wire the Field Potential Distributor
Male In Connector
(view into connector)
Pin 1 - User Power +
Pin 2 - No Connect
Pin 3 - No Connect
Pin 4 - User Power -
43587
ATTENTION
Make sure all connectors and caps are securely
tightened to properly seal the connections against
leaks and maintain IP67 requirements.
Publication 1738-IN019A-EN-E - June 2004
8 ArmorPoint I/O Field Potential Distributor, Series A
Specifications
1738-FPD Field Potential Distributor
Inputs Voltage Rating 12V dc, 24V dc nominal
Input Current 10A maximum
Operating Voltage 12/24V dc, 120/240V ac
Backplane Output Current Pass Through
Keyswitch Position 8
General Specifications
Indicators None
PointBus Current Pass Through
Power Consumption None
Power Dissipation None
Thermal Dissipation None
Isolation Voltage
(continuous-voltage withstand rating)
Field Power Bus
Supply Voltage
Supply Current
Dimensions Inches (Metric) 1.25H x 2.63W x 4.25D (31.75H x 66.80W x 107.95D)
Operating Temperature IEC 60068-2-1 (Test Ad, Operating Cold),
Storage Temperature IEC 60068-2-1 (Test Ab, Un-packaged Non-operating Cold),
Relative Humidity IEC 60068-2-30 (Test Db, Un-packaged Non-operating Damp Heat):
Shock IEC60068-2-27 (Test Ea, Unpackaged Shock):
Vibration IEC60068-2-6 (Test Fc, Operating):
ESD Immunity IEC 61000-4-2:
Radiated RF Immunity IEC 61000-4-3:
EFT/B Immunity IEC 61000-4-4:
Surge Transient Immunity IEC 61000-4-5:
Following are specifications for the 1738 ArmorPoint FPD.
10-28.8V dc range
120V ac, 240V ac nominal
50V rms, 120V rms/240V rms
Tested at 1528V ac rms for 60s
264V ac maximum,
12V dc, 24V dc, 10-28.8V dc range
120V ac, 240V ac, 50/60 Hz
10A maximum
IEC 60068-2-2 (Test Bd, Operating Dry Heat),
IEC 60068-2-14 (Test Nb, Operating Thermal Shock):
-20 to 60°C (-4 to 140°F)
IEC 60068-2-2 (Test Bb, Un-packaged Non-operating Dry Heat),
-40 to 85°C (-40 to 185°F)
5-95% non-condensing
Operating 30g
Non-operating 50g
5g @ 10-500Hz
6kV contact discharges
8kV air discharges
10V/m with 1kHz sine-wave 80%AM from 30MHz to 2000MHz
10V/m with 200Hz 50% Pulse 100%AM at 900Mhz
10V/m with 200Hz 50% Pulse 100%AM at 1890Mhz
±4kV at 5kHz on power ports
±1kV line-line(DM) and ±2kV line-earth(CM) on power ports
Publication 1738-IN019A-EN-E - June 2004
ArmorPoint I/O Field Potential Distributor, Series A 9
General Specifications (continued)
Conducted RF Immunity IEC 61000-4-6:
10Vrms with 1kHz sine-wave 80%AM from 150kHz to 80MHz
Emissions CSPR 11:
Group 1, Class A
Enclosure Type Rating Meets IP65/66/67 (when marked)
Mounting Base Screw Torque #8 screw, 7.5 in. lbs. in Aluminum, 16 in. lbs. in Steel
Wiring Category
1
1 - on signal ports
Weight Imperial (Metric) 0.637 lb. (0.289 kg)
Certifications:
(when product is marked)
c-UL-us UL Listed Industrial Control Equipment, certified for US and Canada
2
CE
European Union 89/336/EEC EMC Directive, compliant with:
EN 61000-6-4; Industrial Emissions
EN 50082-2; Industrial Immunity
EN 61326; Meas./Control/Lab., Industrial Requirements
EN 61000-6-2; Industrial Immunity
European Union 73/23/EEC LVD Directive, compliant with:
EN 61131-2; Programmable Controllers
C-Tick2Australian Radiocommunications Act, compliant with:
AS/NZS CISPR 11; Industrial Emissions
1. Use this Conductor Category information for planning conductor routing. Refer to Publication 1770-4.1, "Industrial Automation Wiring
and Grounding Guidelines".
2. See the Product Certification link at www.ab.com for Declarations of Conformity, Certificates, and other certification details.
Publication 1738-IN019A-EN-E - June 2004
Rockwell Automation Support
Rockwell Automation provides technical information on the web to assist you in using our products. At
http://support.rockwellautomation.com, you can find technical manuals, a knowledge base of FAQs, technical and
application notes, sample code and links to software service packs, and a MySupport feature that you can customize
to make the best use of these tools.
For an additional level of technical phone support for installation, configuration and troubleshooting, we offer
TechConnect Support programs. For more information, contact your local distributor or Rockwell Automation
representative, or visit http://support.rockwellautomation.com.
Installation Assistance
If you experience a problem with a hardware module within the first 24 hours of installation, please review the
information that's contained in this manual. You can also contact a special Customer Support number for initial help
in getting your module up and running:
United States 1.440.646.3223
Monday – Friday, 8am – 5pm EST
Outside United States Please contact your local Rockwell Automation representative for any technical support issues.
New Product Satisfaction Return
Rockwell tests all of our products to ensure that they are fully operational when shipped from the manufacturing
facility. However, if your product is not functioning and needs to be returned:
United States Contact your distributor. You must provide a Customer Support case number (see phone number
above to obtain one) to your distributor in order to complete the return process.
Outside United States Please contact your local Rockwell Automation representative for return procedure.
ArmorPoint is a trademark of Rockwell Automation.
Publication 1738-IN019A-EN-E - June 2004 10 PN 957824-52
Copyright © 2004 Rockwell Automation, Inc. All rights reserved. Printed in the U.S.A.
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