Publication 1756-IN006A-EN-P - December 2000
Installation Instructions
ControlLogix
DC (10-30V) Sourcing Input Module
(Catalog Number 1756-IV16)
Obtain a User Manual
This product also has a user manual (pub. no. 1756-UM058C-EN-P).
To view it, visit www.ab.com/manuals
or
www.theautomationbookstore.com
You can also purchase a printed
manual by:
• contacting your local distributor or Rockwell Automation
representative
To: See page:
Obtain a User Manual 1
Identify the Module Components 2
Prevent Electrostatic Discharge 3
See Removal and Insertion Under Power (RIUP) 3
Understand Compliance to European Union Directive 4
Note the Power Requirements 5
Install the Module 5
Key the Removable Terminal Block/Interface Module 6
Wire the Module 7
Assemble the Removable Terminal Block and the Housing 8
Install the Removable Terminal Block onto the Module 8
Check the Indicators 10
Remove the Removable Terminal Block from the Module 11
Remove the Module 12
See 1756-IV16 Specifications 12
Hazardous Location information 14
Allen-Bradley Motors
2 ControlLogix DC (10-30V) Sourcing Input Module
Publication 1756-IN006A-EN-P - December 2000
• visiting www.theautomationbookstore.com and placing
an order
• calling 800.963.9548 (USA/Canada) or 001.320.725.1574
(outside USA/Canada)
Identify the Module Components
You received the following components with your order:
• 1756-IV16 module
• Removable Terminal Block (RTB) door label
If you did not receive these components, contact your Rockwell
Automation sales office.
This module mounts in a ControlLogix chassis and uses a
separately-ordered RTB or a Bulletin 1492 Interface Module (IFM) to
connect all field-side wiring.
This module uses one of the following RTBs:
• 1756-TBNH 20 position NEMA RTB
• 1756-TBSH 20 position Spring Clamp RTB
Use an extended-depth cover (1756-TBE) for applications with heavy
gauge wiring or requiring additional routing space. When using an
IFM, consult the documentation that came with it to connect
all wiring.
IMPORTANT
Before you install your module, you should
have already:
• installed and grounded a 1756 chassis and
power supply.
• ordered and received an RTB or IFM and its
components for your application.
ControlLogix DC (10-30V) Sourcing Input Module 3
Publication 1756-IN006A-EN-P - December 2000
Prevent Electrostatic Discharge
Removal and Insertion Under Power (RIUP)
ATTENTION
!
Electrostatic discharge can damage integrated circuits or
semiconductors if you touch backplane connector pins.
Follow these guidelines when you handle the module:
• Touch a grounded object to discharge
static potential.
• Wear an approved wrist-strap grounding device.
• Do not touch the backplane connector or connector
pins.
• Do not touch circuit components inside the module.
• If available, use a static-safe work station.
• When not in use, keep the module in its static-shield
box.
WARNING
!
This module is designed so you can remove and insert it
under backplane power and field-side power. When you
remove or insert a module while field-side power is
applied, you may cause an electrical arc. An electrical
arc can cause personal injury or property damage
because it may:
• send an erroneous signal to your system’s field
devices, causing unintended machine motion or loss
of process control.
• cause an explosion in a hazardous environment.
Repeated electrical arcing causes excessive wear to
contacts on both the module and its mating connector.
Worn contacts may create electrical resistance.
When you insert or remove the module while backplane
power is on, or you connect or disconnect the 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
non-hazardous before proceeding.
Allen-Bradley Motors
4 ControlLogix DC (10-30V) Sourcing Input Module
Publication 1756-IN006A-EN-P - December 2000
Understand Compliance to European Union Directive
If this product bears the CE marking, it is approved for installation
within the European Union and EEA regions. It has been designed
and tested to meet the following directives.
EMC Directive
This product is tested to meet Council Directive 89/336/EEC
Electromagnetic Compatibility (EMC) and the following standards, in
whole or in part, documented in a technical construction file:
• EN 50081-2 EMC - Generic Emission Standard, Part 2 -
Industrial Environment
• EN 50082-2 EMC - Generic Immunity Standard, Part 2 -
Industrial Environment
This product is intended for use in an industrial environment.
Low Voltage Directive
This product is tested to meet Council Directive 73/23/EEC Low
Voltage, by applying the safety requirements of EN 61131-2
Programmable Controllers, Part 2 - Equipment Requirements and
Tests.
For specific information required by EN 61131-2, see the appropriate
sections in this publication, as well as the following Allen-Bradley
publications:
• Industrial Automation Wiring and Grounding Guidelines,
publication 1770-4.1
• Automation Systems Catalog, publication B111
Open style devices must be provided with environmental and safety
protection by proper mounting in enclosures designed for specific
application conditions. See NEMA Standards publication 250 and IEC
publication 529, as applicable, for explanations of the degrees of
protection provided by different types of enclosure.
ControlLogix DC (10-30V) Sourcing Input Module 5
Publication 1756-IN006A-EN-P - December 2000
Note the Power Requirements
This module receives power from the 1756 chasis power supply and
requires 2 sources of power from the backplane:
• 110mA at 5.1V dc
• 2mA at 24V dc
Add this current/power value (0.61W) to the requirements of all other
modules in the chassis to prevent overloading the power supply.
Install the Module
You can install or remove the module while chassis power is applied.
ATTENTION
!
The module is designed to support Removal and
Insertion Under Power (RIUP). However, when
you remove or insert an RTB with field-side power
applied, unintended machine motion or loss of
process control can occur. Exercise extreme
caution when using this feature.
20861–M 20862–M
1. Align circuit board with top and
bottom chassis guides.
2. Slide module into chassis until
module locking tabs ‘click’.
Printed
Circuit
Board
Locking tab
Allen-Bradley Motors
6 ControlLogix DC (10-30V) Sourcing Input Module
Publication 1756-IN006A-EN-P - December 2000
Key the Removable Terminal Block/Interface Module
Wedge-shaped keying tabs and U-shaped keying bands came with
your RTB to prevent connecting the wrong wires to your module.
Key positions on the module that correspond to unkeyed positions
on the RTB. For example, if you key the first position on the module,
leave the first position on the RTB unkeyed.
Reposition the tabs to rekey future module applications.
Wire the Removable Terminal Block
Wire the RTB with a 5/16 inch (8mm) maximum flat-bladed
screwdriver before installing it onto the module.
20850–M
1. Insert the U-shaped band as shown.
2. Push the band until it snaps in place.
U-shaped
bands
1. Insert the wedge-shaped tab with rounded edge first.
2. Push the tab until it stops.
20851–M
Wedge-shaped tab
Key the Module Key the RTB/IFM
Spring Clamp RTB
1. Strip 7/16 inch (11mm) maximum
length of wire.
2. Insert the screwdriver into the
inner hole of the RTB.
3. Insert the wire into the open terminal and
remove the screwdriver.
NEMA Screw RTB
1. Strip 5/16 inch (8mm) maximum length
of wire.
2. Turn the terminal screw counterclockwise.
3. Wrap wire around the terminal.
4. Turn the terminal screw clockwise.
ControlLogix DC (10-30V) Sourcing Input Module 7
Publication 1756-IN006A-EN-P - December 2000
Wire the Module
You can only connect wiring to your module through an RTB or IFM.
The example below shows how to wire the module.
After completing field-side wiring, secure the wires in the strain relief
area with a cable-tie.
1756-IV16
12
34
5
6
7
8
910
11
12
1314
1516
1718
19
20
1. All terminals with the same name are connected together on the module. For example, DC
(+) can be connected to either terminal marked DC-1+. If you are daisy chain wiring from
one of these terminals to other RTBs, only connect wiring to one terminal.
2. When you daisy chain from a group to another RTB, always connect the daisy chain to the
terminal directly connected to the supply wire, as shown above.
3. This wiring example shows a single voltage source.
4. If separate power sources are used, do not exceed the specified isolation voltage.
–+
Daisy chain to other RTBs
Group 0Group 0
Group 1Group 1
DC COM
42552
IN-0
IN-2
IN-4
IN-6
DC-0 +
IN-8
IN-10
IN-12
IN-14
DC-1 +
IN-1
IN-3
IN-5
IN-7
DC-0 +
IN-9
IN-11
IN-13
IN-15
DC-1 +
NOTES:
Allen-Bradley Motors
8 ControlLogix DC (10-30V) Sourcing Input Module
Publication 1756-IN006A-EN-P - December 2000
Assemble the Removable Terminal Block and the Housing
Install the Removable Terminal Block onto the Module
WARNING
!
The RTB is designed to support Removal and Insertion
Under Power (RIUP). However, when you remove or
insert an RTB with field-side power applied, unintended
machine motion or loss of process control can
occur. Exercise extreme caution when using this feature.
It is recommended that field-side power be removed
before installing the RTB onto the module.
When you remove or insert a module while field-side
power is applied, you may cause an electrical arc. An
electrical arc can cause personal injury or property
damage because it may:
• send an erroneous signal to your system’s field
devices, causing unintended machine motion or loss
of process control.
• cause an explosion in a hazardous environment.
Repeated electrical arcing causes excessive wear to
contacts on both the module and its mating connector.
Worn contacts may create electrical resistance.
When you insert or remove the module while backplane
power is on, or you connect or disconnect the 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
non-hazardous before proceeding.
20852-M
Groove
Groove
Side edge of the RTB
Side edge of the RTB
Strain relief area
1. Align the grooves at the bottom of the housing with the side edges of the RTB.
2. Slide the RTB into the housing until it snaps into place.
ControlLogix DC (10-30V) Sourcing Input Module 9
Publication 1756-IN006A-EN-P - December 2000
Before installing the RTB, make certain:
• field-side wiring of the RTB has been completed.
• the RTB housing is snapped into place on the RTB.
• the RTB housing door is closed.
• the locking tab at the top of the module is unlocked.
20853–M
20854–M
Module
guide
RTB guides
Locking
tab
1. Align the side and top, bottom RTB guides with the
side, top and bottom module guides.
2. Press quickly and evenly to seat the RTB on the
module until the latches snap into place.
3. Slide the locking tab down to lock the RTB
onto the module.
Allen-Bradley Motors
10 ControlLogix DC (10-30V) Sourcing Input Module
Publication 1756-IN006A-EN-P - December 2000
Check the Indicators
The indicators show individual I/O status (yellow) for each point and
a bi-colored LED for module "OK" (red/green).
During power up, an indicator test is done and the following occurs:
• The "OK" indicator turns red for 1 second and then turns to
flashing green if it has passed the self-test.
• The I/O status indicators turn ON for a maximum of 2 seconds
and then turn OFF.
This completes installation of the module. Use the information below
to remove the module.
LED
indicator:
This
display:
Means: Take this action:
OK Steady
green light
The inputs are being
multicast and in normal
operating state.
None
OK Flashing
green light
The module has passed
internal diagnostics but is not
multicasting inputs.
Configure the module.
OK Flashing red
light
Previously established
communication has timed out.
Check controller and chassis
communication.
OK Steady red
light
An unrecoverable error has
occurred on the module.
Replace the module.
I/O State Yellow The input is active. None
20945-M
DC INPUT
ST01234567
ST 8 9 10 11 12 13 14 15
O
K
ControlLogix DC (10-30V) Sourcing Input Module 11
Publication 1756-IN006A-EN-P - December 2000
Remove the Removable Terminal Block from the Module
Before removing the module, you must remove the RTB.
WARNING
!
Shock hazard exists. If the RTB is removed from
the module while the field-side power is applied,
the module will be electrically live. Do not touch
the RTB’s terminals. Failure to observe this caution
may cause personal injury.
The RTB is designed to support Removal and
Insertion Under Power (RIUP). However, when
you remove or insert an RTB with field-side power
applied, unintended machine motion or loss of
process control can occur. Exercise extreme
caution when using this feature. It is
recommended that field-side power be removed
before removing the module.
When you insert or remove the module while
backplane power is on, or you connect or
disconnect the 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
non-hazardous before proceeding.
20855–M
2. Open the RTB door and pull the
RTB off the module.
1. Unlock the locking tab at the
top of the module.
42517
Allen-Bradley Motors
12 ControlLogix DC (10-30V) Sourcing Input Module
Publication 1756-IN006A-EN-P - December 2000
Remove the Module
1756-IV16 Specifications
Number of Inputs 16 (8 points/common)
Module Location 1756 ControlLogix Chassis
Backplane Current 110mA @ 5.1V dc & 2mA @ 24V dc
(Total backplane power 0.61W)
Maximum Power Dissipation
(Module)
5.41W @ 60
o
C
Thermal Dissipation 18.47 BTU/hr
On-State Voltage Range 10-30V dc
Nominal Input Voltage 24V dc
On-State Current 2.0mA @ 10V dc minimum
10mA @ 30V dc maximum
Maximum Off-State Voltage 5V
Maximum Off-State Current 1.5mA
Maximum Input Impedance
@ 30V dc
3.2kΩ
Input Delay Time
OFF to ON
Hardware delay
ON to OFF
Hardware delay
Programmable filter: 0ms, 1ms or 2ms
1ms maximum plus filter time
Programmable filter: 0ms, 1ms, 2ms, 9ms or 18ms
2ms maximum plus filter time
Diagnostic Functions
Change of State
Timestamp of Inputs
Software configurable
+/- 200µs
Maximum Inrush Current 250mA
Cyclic Update Time User selectable (100µs minimum/750ms maximum)
Reverse Polarity Protection Yes
1. Push in top and bottom locking tabs. 2. Pull module out of the chassis.
20856–M 20857–M
ControlLogix DC (10-30V) Sourcing Input Module 13
Publication 1756-IN006A-EN-P - December 2000
Additional Notes
The ControlLogix system must be mounted within a suitable enclosure to
prevent personal injury resulting from accessibility to live parts. The interior of
this enclosure must be accessible only by the use of a tool.
This industrial control equipment is intended to operate in a Pollution Degree
2 environment, in overvoltage category II applications, as defined in IEC
publication 664A, at altitudes up to 2000 meters without derating.
Isolation Voltage
Group to group
User to system
100% tested at 2546V dc for 1s
(250V ac max. continuous voltage between groups)
100% tested at 2546V dc for 1s
RTB Screw Torque (NEMA clamp) 7-9 inch-pounds (0.8-1Nm)
Module Keying (Backplane) Software configurable
RTB Keying User defined mechanical keying
Field Wiring Arm
20 Position RTB (1756-TBNH or TBSH)
1
Environmental Conditions
Operating Temperature
Storage Temperature
Relative Humidity
0 to 60°C (32 to 140°F)
-40 to 85°C (-40 to 185°F)
5 to 95% noncondensing
Conductors Wire Size
Category
22-14 gauge (2mm
2
) stranded
1
3/64 inch (1.2mm) insulation maximum
1
2, 3
Screwdriver Blade Width for RTB 5/16 inch (8mm) maximum
Agency Certification
(when product is marked)
1
Maximum wire size will require extended housing - 1756-TBE.
2
Use this conductor category information for planning conductor routing as described in the system
level installation manual.
3
Refer to publication 1770-4.1 “Industrial Automation Wiring and Grounding Guidelines’.
Marked for all applicable directives
Approved Class I, Division 2, Group A, B, C, D
Certified Process Control Equipment
Certified Class I, Division 2, Group A, B, C, D
Marked for all applicable acts
N223
Listed Industrial Control Equipment
Allen-Bradley Motors
14 ControlLogix DC (10-30V) Sourcing Input Module
Publication 1756-IN006A-EN-P - December 2000
Hazardous Location information
The following information applies when operating this equipment in
hazardous locations:
Products marked “CL I, DIV 2, GP A, B, C, D” are suitable for use in Class I
Division 2 Groups A, B, C, D, Hazardous Locations and nonhazardous
locations only. Each product is supplied with markings on the rating
nameplate indicating the hazardous location temperature code. When
combining products within a system, the most adverse temperature code
(lowest “T” number) may be used to help determine the overall temperature
code of the system. Combinations of equipment in your system are subject to
investigation by the local Authority Having Jurisdiction at the time
of installation.
WARNING
!
EXPLOSION HAZARD
• Do not disconnect equipment unless power has
been removed or the area is known to be
nonhazardous.
• Do not disconnect connections to this equipment
unless power has been removed or the area is
known to be nonhazardous. Secure any external
connections that mate to this equipment by using
screws, sliding latches, threaded connectors, or
other means provided with this product.
• Substitution of components may impair suitability
for Class I, Division 2.
• If this product contains batteries, they must only be
changed in an area known to be nonhazardous.
ControlLogix DC (10-30V) Sourcing Input Module 15
Publication 1756-IN006A-EN-P - December 2000
Informations sur l’utilisation de cet équipement en environnements
dangereux :
Les produits marqués « CL I, DIV 2, GP A, B, C, D » ne conviennent
qu’à une utilisation en environnements de Classe I Division 2
Groupes A, B, C, D dangereux et non dangereux. Chaque produit est
livré avec des marquages sur sa plaque d’identification qui indiquent
le code de température pour les environnements dangereux. Lorsque
plusieurs produits sont combinés dans un système, le code de
température le plus défavorable (code de température le plus faible)
peut être utilisé pour déterminer le code de température global du
système. Les combinaisons d’équipements dans le système sont
sujettes à inspection par les autorités locales qualifiées au moment de
l’installation.
AVERTISSEMENT
!
RISQUE D’EXPLOSION
• Couper le courant ou s’assurer que l’environnement
est classé non dangereux avant de débrancher
l’équipement.
• Couper le courant ou s’assurer que l’environnement
est classé non dangereux avant de débrancher les
connecteurs. Fixer tous les connecteurs externes
reliés à cet équipement à l’aide de vis, loquets
coulissants, connecteurs filetés ou autres moyens
fournis avec ce produit.
• La substitution de composants peut rendre cet
équipement inadapté à une utilisation en
environnement de Classe 1, Division 2.
• S’assurer que l’environnement est classé non
dangereux avant de changer les piles.
Allen-Bradley Motors
Publication 1756-IN006A-EN-P - December 2000 PN 957293-38
© 2000 Rockwell International Corporation. Printed in USA
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