4Module Locking Mechanism9Slide-in Writable Label
5Insertable I/O Module10Interlocking Side Pieces
1
Wiring Base Assembly consists of item 1) mounting base, 1734-MB and item 7) removable
terminal block, 1734-RT or -RTS.
POINT I/O is a trademark of Rockwell Automation
DeviceNet is a trademark of ODVA, Inc.Publication 1734-IN587B-EN-P - March 2002
1
6RTB Removal Handle
Removable Terminal Block (RTB)
1
2 POINT I/O 2 Relay Output Module
This Series C product can be used with DeviceNet and
PROFIBUS adapters. It can be used with ControlNet and
Ethernet adapters using RSLogix 5000, version 11 (or higher)
software.
Important User Information
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 perfor mance
and safety requirements, including any applicable laws, regulations,
codes and standards. In no event will Allen-Bradley 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, Allen-Bradley does not assume
responsibility or liability (to include intellectual property liability) for
actual use based upon the examp les shown in this publication.
Allen-Bradley publication SGI-1.1, Safety Guidelines for the
Application, Inst allation and Maintenance of Solid-State Control
(available from your local Allen-Bradley 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.
Reproduction of the contents of this copyright ed publication, in
whole or part, without written permission of Rockwell Automation, is
prohibited.
Throughout this publication, not es may be used to make you aware
of safety considerations. The following annotat ions and their
accompanying statements help you to identify a potential hazard,
avoid a potential hazard, and recognize the conse quences of a
potential hazard.
Publication 1734-IN587B-EN-P - March 2002
POINT I/O 2 Relay Output Module 3
WARNING
!
ATTENTION
!
IMPORTANT
Identifies information about practices or
circumstances that can cause an explosion in a
hazardous environment, which may lead to
personal injury or deat h, property damage, or
economic loss.
Identifies information about practices or
circumstances that can lead to personal injury or
death, property damage, or economic loss.
Identifies informat ion that is critical for
successful application and understanding of the
product.
Publication 1734-IN587B-EN-P - March 2002
4 POINT I/O 2 Relay Output Module
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 el ec t ro mag n e tic 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 encl o su re t h at is su itably
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 require d to comply wit h
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.
ATTENTION
!
Publication 1734-IN587B-EN-P - March 2002
POINT I/O is grounded through the DIN rail to
chassis ground. Use zinc plated, yellow chromated
steel DIN rail to assure proper grounding. Using
other DIN rail materials (e.g. aluminum, plastic,
etc.) which can corrode, oxidize or are poor
conductors can result in improper or intermittent
platform grounding.
POINT I/O 2 Relay Output Module 5
WARNING
!
ATTENTION
!
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.
Preventing Electrostatic Discharge
This equipment is sensitive to electrostatic
discharge, which can cause internal da mage 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 a vailable, use a static-s af e workstatio n .
• When not in use, st o r e t h e equipmen t in
appropriate static-safe packaging.
Publication 1734-IN587B-EN-P - March 2002
6 POINT I/O 2 Relay Output Module
Installing the Mounting Base
To install the mounting base on the DIN rail, proceed as follows.
1. Position the mounting base vertically above the installed units
(adapter, power supply or existing module.
2. Slide the mounting base down allowing the interlocking side
pieces to 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.
4. To remove the mounting base from the DIN rail, remove the
module, and use a small bladed screwdriver to rotate the base
locking screw to a vertical position. This releases the locking
mechanism. Then lift straight up to remove.
Installing the I/O Module
The module can be installed before, or after base installation. Make
sure that the mounting base is correctly keyed before insta lling the
module into the mounting base. In addition, make sure the mounting
base locking screw is positioned horizontal referenced to the base.
WARNING
!
1. Using a bladed screwdriver, rotate the keyswitch (2) on the
mounting base clockwise until the number required for the
type of module being installed 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.)
Publication 1734-IN587B-EN-P - March 2002
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.
POINT I/O 2 Relay Output Module 7
3. Insert the module straight down into the mounting base and
press to secure. The module will lock into place.
Installing the Removable Terminal Block (RTB)
A removable terminal block is supplied with your wiring base
assembly. To remove, pull up on the RTB handle. This allows the
mounting base to be removed and replaced as nec essary without
removing any of the wiring. To reinsert the removable terminal block,
proceed as follows.
WARNING
!
1. Insert the end opposite t he 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.
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 loc ati on
installations.
Be sure that power is removed or the area is
nonhazardous before proceeding.
Publication 1734-IN587B-EN-P - March 2002
8 POINT I/O 2 Relay Output Module
Removing a Mounting Base
To remove a mounting base, you must remove any installed module, and the
module installed in the base to the right. Remove the removable terminal
block (if wired).
1. Unlatch the RTB handle on the I/O module.
2. Pull on the RTB handle to remove the removable terminal block.
WARNING
!
3. Press on the module lock on the top of the module.
4. Pull on the I/O module to remove from the base.
WARNING
!
5. Repeat steps 1, 2, 3 and 4 for the module to the right.
6. Use a small bladed screwdriver to rotate the orange base locking
screw to a vertical position. This releases the locking mechanism.
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 loc ati on
installations.
Be sure that power is removed or the area is
nonhazardous before proceeding.
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.
7. Then lift straight up to remove.
Publication 1734-IN587B-EN-P - March 2002
POINT I/O 2 Relay Output Module 9
Communicating with Your Module
I/O messages are sent to (consum ed) and received from (produced)
the POINT I/O modules. These messages are mapped into the
processor’s memory . This POINT I/O output module does not
produce input data (scanner Rx). It does consume 1 byte of I/O data
(scanner Tx).
Default Data Map for the 1734-OX2 Relay Output Module
Message size: 1 Byte
76543 2 1 0
Consumes
(scanner Tx)
Where: 0 = NO contact Off, NC contact On
1 = NO contact On, NC contact Off
Not usedCh1Ch0Channel state
Publication 1734-IN587B-EN-P - March 2002
10 POINT I/O 2 Relay Output Module
Wiring the Relay Output Module
Module Status
Network Status
Status of Output 0
Status of Output 1
Output 0 Connection - NC
Output 0 Connection - NO
Output 0 Relay Common - RC
NC = Normally closed
NO = Normally open
RC = Relay Common
+V = Positive Supply
ATTENTION
Module
Status
Network
Status
NODE:
Relay
Output
0
1
1734
OX2
NC - Output 1 Connection
NO - Output 1 Connection
RC - Output 1 Relay Common
+V
+V
01
2
4
6
3
5
7
41974
Relay contacts are not powered by the internal
power bus. Load power can be provided by the
internal power bus or an external power source.
!
Publication 1734-IN587B-EN-P - March 2002
POINT I/O 2 Relay Output Modul e 11
Load powered by Internal Power Bus
Out 1
NC
Out 1
NO
Out 1
RC
+V+V
1
3
5
L2/N
7
Load
L1
42019OX
Load
NC = Normally closed
NO = Normally open
RC = Relay Common
+V = Positive Supply
0
Out 0
NC
2
Out 0
NO
4
L2/N
L1
Out 0
RC
6
ChannelOutputRelay CommonSupply
0 (N.C.)0
46
0 (N.O.)2
1 (N.C.)1
1 (N.O.)3
Supply voltage can range from +5V dc to 240V ac, depending on relay load.
12V, 24V dc, 120V, 240V ac power for the module is provided by the internal power bus.
57
Publication 1734-IN587B-EN-P - March 2002
12 POINT I/O 2 Relay Output Module
Load powered by External Power Bus
Power
Supply
L2/N
L1
Load
Out = Output channel relay contacts
Power Supply = can range from +5V dc to 240V ac
RC = Relay Common
0
Out 0
NC
2
Out 0
NO
4
Out 0
6
1
Out 1
NC
3
Out 1
NO
Out 1
RC
RC
+V
+V
L1
5
7
Power
Supply
L2/N
Load
42014OX
ChannelOutputRelay Common
Supply
1
0 (N.C.)0
0 (N.O.)2
1 (N.C.)1
46
57
1 (N.O.)3
1 Supply voltage can range from +5V dc to 240V ac, depending on relay load.
12V, 24V dc, 120V, 240V ac power for the module is provided by the internal power bus
Publication 1734-IN587B-EN-P - March 2002
POINT I/O 2 Relay Output Modul e 13
ATTENTION
!
PDNOX2OX2
01 01 01
• Do not attempt to increase load current or wattage
capabilitybeyond themaximum rating byconnecting
2 or more outputs in parallel. The slightest variation
in relay switching time may cause one relay to
momentarily switch the total load current.
• Make certain that all relay wiring is properly
connected before applying any power to the module.
• Total current draw through the wiring base unit is
limited to 10A. Separate power connections to the
terminal base unit may be necessary.
• Use the end cap from your adapter or interface
module 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.
PDN IB2IB4IV2IV4
01 01 0101 01
FPDOX2 OX2 OX2
001
1
01
120V ac
Wiring with ac
Modules only
CV
24V dc
Wiring Using a 1734-FPD to
Create a New ac Po wer Bus
Publication 1734-IN587B-EN-P - March 2002
L2/N
ac power
bus
L1
42090OX
14 POINT I/O 2 Relay Output Module
IB2 IB4 IV2 IV4 OX2 OX2 OX2
PDN
01 01 01 01 01010101
24V
L2/N
L1
120V/240V ac
Wiring using external power source f or ac Relay power
Publication 1734-IN587B-EN-P - March 2002
42010lt
POINT I/O 2 Relay Output Modul e 15
Troubleshooting with the Indicators
Module Status
Network Status
Status of Output 0
Status of Output 1
Output 0 NC Connection
Output 0 NO Connection
Output 0 Relay Common
Module
Status
Network
Status
NODE:
Relay
Output
0
1
1734
OX2
Output 1 NC Connection
Output 1 NO Connection
Output 1 Relay Common
+V
+V
Module Status
OffNo power applied to device
GreenDevice operating normally
Flashing GreenDevice needs commissioning due to
configur atio n mi ssin g, inc omp let e or inc orr ect .
Flashing RedRecoverable fault.
RedUnrecoverable fault may require device
replacement
Flashing Red/GreenDevice is in self-test
41974
Publication 1734-IN587B-EN-P - March 2002
16 POINT I/O 2 Relay Output Module
IndicatorIndicationProbable Cause
Network Status
OffDevice is not on-line
- Device has not completed dup_MAC_id test.
- Device not powered - check module status
indicator
Flashing GreenDevice is on-line but has no connections in
the established state.
GreenDevice on-line and has connections in the
established state.
Flashing RedOne or more I/O connections in timed-out
state
RedCritical link failure - failed communication
device. Device detected error that prevents it
communicating on the network.
Flashing
Red/Green
Communication faulted device - the device
has detected a network access error and is in
communication faulted state. Device has
received and accepted an Identify
Communication Faulted Request - long
protocol message.
IndicatorIndicationProbable Cause
I/O Status
OffOutput is off.
YellowOutput is on.
Publication 1734-IN587B-EN-P - March 2002
Safety Approvals
POINT I/O 2 Relay Output Modul e 17
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.
EXPLOSION HAZARD -
WARNING
!
• 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.
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.
RISQUE D’EXPLOSION –
WARNING
!
• 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.
Publication 1734-IN587B-EN-P - March 2002
18 POINT I/O 2 Relay Output Module
Specification s
Specifications - 1734-OX2 Output Relay Module
Outputs per Module2 Form C isolated (normally open; normally closed)
Off-State Leakage
Current (max at 240V ac)
Output Voltage Range (load
dependent)
Output Current Rating
(at rated power)
Power Rating
(steady state)
Output Signal Delay
OFF to ON
ON to OFF
Initial Contact Resistance30mΩ
Switching Frequency1 operation/3s (0.3Hz at rated load) max
Operate/Release Time10ms max
Bounce Time1.2ms (mean)
Minimum Contact Load5mA per point
Expected Life of
Electrical Contacts
electromechanical relays
2.0mA and bleed resistor thru snubber circuit
5-28.8V dc @ 2.0A resistive
48V dc @ 0.5A resistive
125V dc @ 0.25A resistive
125V ac @ 2.0A resistive
240V ac @ 2.0A resistive
Resistive
2A @ 5-28.8V dc
0.5A @ 48V dc
0.25A @ 125V dc
2A @ 125V ac
2A @ 240V ac
Inductive
2.0A steady state @ 5-28.8V dc, L/R = 7ms
0.5A steady state @ 48V dc, L/R = 7ms
0.25A steady state @ 125V dc, L/R = 7ms
2.0A steady state, 15A make @ 125V ac,
PF = cos θ = 0.4
2.0A steady state, 15A make @ 2 40V ac,
PF = cos θ = 0.4
250W max. for 125V ac resistive output
480W max. for 240V ac resistive output
60W max. for 28.8V dc re s is tive output
24W max. for 48V dc resistive output
31W max. for 125V dc resistive output
250VA max. for 125V ac inductive output
480VA max. for 240V ac inductive output
60VA max. for 28.8V dc inductive output
24VA max. for 48V dc inductive output
31VA max. for 125V dc inductive output
10ms maximum (time from va lid output on signal to relay
energization by module)
10ms maximum (time from valid output off
signal to relay deenergization by module)
FusingModule outputs are not fused. If fusing is desired, you
Indicators2 green/red module/network status
Keyswitch position7
General Specifications
Module Location1734-TB or -TBS wiring base assembly
Pointbus Current100mA max @ 5V dc
Power Dissipation0.5W max
Thermal Dissipation1.7 BTU/hr max
Isolation V ol t age
Between any 2 se ts
of contacts
Customer load to logic