Allen-Bradley ControlLogix 1756-OX8I User manual

Publication 1756-5.13 - September 1999
Installation Instructions
ControlLogix
AC (10-265V) DC (5-150V) Isolated Relay Module
(Catalog Number 1756-OX8I)
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To: See page:
Prevent Electrostatic Discharge 2
See Removal and Insertion Under Power (RIUP) 2
Understand Compliance to European Union Directive 3
Note the Power Requirements 4
Identify the Module Components 4
Install the Module 5
Key the Removable Terminal Block/Interface Module 6
Wire the Removable Terminal Block 7
Assemble the Removable Terminal Block and the Housing 9
Install the Removable Terminal Block onto the Module 10
Check the Indicators 11
Remove the Removable Terminal Block from the Module 12
Remove the Module 12
See Specifications 13
Understand CSA Hazardous Location Approval 14
Allen-Bradley PLCs

2ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module
Publication 1756-5.13 - September 1999
Prevent Electrostatic Discharge
Removal and Insertion Under Power (RIUP)
ATTENTION
!
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ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module 3
Publication 1756-5.13 - September 1999
Understand Compliance to European Union Directive
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Allen-Bradley PLCs

4ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module
Publication 1756-5.13 - September 1999
Note the Power Requirements
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Identify the Module Components
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Removable Terminal Block and Housing
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20987-M
Side view Front view
1756-OX8I module RTB door
label
Jumper
bar
The jumper bar part number is 97739201. Contact your Rockwell Automation
sales representative to order additional jumper bars, if necessary.

ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module 5
Publication 1756-5.13 - September 1999
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Install the Module
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20861–M 20862–M
21
Align circuit board with top and
bottom chassis guides. Slide module into chassis until module tabs ‘click’.
Printed
Circuit
Board
Locking tab
Allen-Bradley PLCs

6ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module
Publication 1756-5.13 - September 1999
Key the Removable Terminal Block/Interface Module
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20850–M
U-shaped
Keying Band
20851–M
12
0
34567
Wedge-shaped
Keying Tab
Begin keying in
section #6 or #7.
Module side of RTB

ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module 7
Publication 1756-5.13 - September 1999
Wire the Removable Terminal Block
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For the Spring Clamp RTB
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For the Cage Clamp RTB
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20860–M
20859–M
Allen-Bradley PLCs

8ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module
Publication 1756-5.13 - September 1999
Wiring example
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12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334
3536
30241-M
Non-isolated
wiring
Isolated wiring
NOTES: All terminals with the same name are connected together on the module.
For example, L1-0 can be connected to either terminal marked L1-0.
When you use the third L1-7 terminal to daisy chain to other RTBs, always connect
the daisy chain to the terminal directly connected to the supply wire, as shown in
the example above.
Daisy chain to other RTBs
1756-OX8I
L1-0
L1-0
L1-1
L1-1
L1-4
L1-2
L1-2
L1-3
L1-3
L1-4
L1-5
L1-5
L1-6
L1-6
L1-7
L1-7
Not used
OUT-0N.C.
OUT-0 N.O.
OUT-1 N.C.
OUT-1 N.O.
OUT-4 N.C.
OUT-2 N.C.
OUT-2 N.O.
OUT-3 N.C.
OUT-3 N.O.
Not used
OUT-4 N.O.
OUT-5 N.C.
OUT-5 N.O.
OUT-6 N.C.
OUT-6 N.O.
OUT-7 N.C.
OUT-7 N.O
Not used
L1
Jumper bar (Cut to length)
DC-2 (-)
L2
L1-7
L2-0
DC-2 (+)
L1-0

ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module 9
Publication 1756-5.13 - September 1999
Assemble the Removable Terminal Block and the Housing
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20858–M
Groove
1756-TBCH RTB shown for reference
Groove
Side edge of RTB
Side edge of RTB
Strain relief area
Allen-Bradley PLCs

10 ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module
Publication 1756-5.13 - September 1999
Install the Removable Terminal Block onto the Module
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ATTENTION
!
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20853–M 20854–M
Top
guide
Left-side guides
Bottom guide
Locking
tab
Align the top, bottom and left
side guides of the RTB with
the guides on the module.
Press quickly and evenly to seat
the RTB on the module until the
latches snap into place. Slide
the locking tab down to lock the
RTB onto the module.

ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module 11
Publication 1756-5.13 - September 1999
Check the Indicators
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LED
indicator: This display: Means: Take this action:
OK Steady green light The outputs are actively
being controlled by a system
processor.
None
OK Flashing green light The module has passed
internal diagnostics but is not
actively controlled.
None
OK Flashing red light Previously established
communication has timed
out.
Check controller and chassis
communication.
OK Steady red light The module must be
replaced. Replace the module.
I/O State Yellow The output is active. None
40456-M
ST 0 1 2 3 4 5 6 7 O
K
RELAY OUTPUT
Allen-Bradley PLCs

12 ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module
Publication 1756-5.13 - September 1999
Remove the Removable Terminal Block from the Module
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Remove the Module
ATTENTION
!
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20855–M
20856–M 20857–M
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ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module 13
Publication 1756-5.13 - September 1999
1756-OX8I Specifications
Number of Outputs 8 N.O. & 8 N.C. (2 points/common)
Module Location 1756 ControlLogix Chassis
Backplane Current 100mA @ 5.1V dc & 100mA @ 24V dc
(2.9W Total backplane power)
Maximum Power Dissipation (Module) 3.1W @ 60oC
Thermal Dissipation 10.57 BTU/hr
Output Voltage Range 10-265V 47-63Hz/5-150V dc
Output Voltage Range
(load dependent) 5-30V dc @ 2.0A resistive 48V dc @ 0.5A resistive
125V dc @ 0.25A resistive
125V ac @ 2.0A resistive
240V ac @ 2.0A resistive
Output Current Rating
(at rated power) Resistive
2A @ 5-30V dc
0.5A @ 48V dc
0.25A @ 125V dc
2A @ 125V ac
2A @ 240V ac
Inductive
2.0A steady state @ 5-30V dc
0.5A steady state @ 48V dc
0.25A steady state @ 125V dc
2.0A steady state, 15A make @ 125V ac
2.0A steady state, 15A make @ 240V ac
Power Rating (steady state)
250W maximum for 125V ac resistive output
480W maximum for 240V ac resistive output
60W maximum for 30V dc resistive output
24W maximum for 48V dc resistive output
31W maximum for 125V dc resistive output
250VA maximum for 125V ac inductive output
480VA maximum for 240V ac inductive output
60VA maximum for 30V dc inductive output
24VA maximum for 48V dc inductive output
31VA maximum for 125V dc inductive output
UL Ratings C300, R150 Pilot Duty
Minimum Load Current 10mA per point
Initial Contact Resistance 30mΩ
Switching Frequency 1 operation/3s (0.3Hz at rated load) maximum
Bounce Time 1.2ms (mean)
Expected Contact Life 300k cycles resistive/100k cycles inductive
Maximum Off-State Leakage Current 0mA
Output Delay Time
Off to on
On to off 13ms maximum 13ms maximum
Scheduled Outputs Synchronization within 65ms maximum, reference to the
Coordinated System Time
Configurable Fault States per Point Hold Last State, ON or OFF (OFF is the default)
Configurable States in Program
Mode per Point Hold Last State, ON or OFF (OFF is the default)
Allen-Bradley PLCs

14 ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module
Publication 1756-5.13 - September 1999
CSA Hazardous Location Approval
Fusing Not protected - Fused IFM is recommended to protect outputs
(See publication 1492-2.12)
Isolation Voltage
Channel to channel
User to system
100% tested at 2546V dc for 1s
(265V ac maximum continuous voltage between channels)
100% tested at 2546V dc for 1s
RTB Screw Torque (Cage clamp) 4.4 inch-pounds (0.4Nm) maximum
Module Keying (Backplane) Software configurable
RTB Keying User defined mechanical keying
Field Wiring Arm and Housing 36 Position RTB (1756-TBCH or TBS6H)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 (2mm2) stranded1
3/64 inch (1.2mm) insulation maximum
12, 3
Screwdriver Blade Width for RTB 1/8 inch (3.2mm) maximum
User Manual Publication 1756-6.5.8
Agency Certification
(when product or packaging is marked)
1Maximum wire size will require extended housing - 1756-TBE.
2Use this conductor category information for planning conductor routing as described in
the system level installation manual.
3Refer to publication 1770-4.1, "Programmable Controller Wiring and Grounding Guidelines”
4CSA certification–Class I, Division 2, Group A, B, C, D or nonhazardous locations.
FM approved–Class I, Division 2, Group A, B, C, D or nonhazardous locations.
CSA certifies products for general use as well as for use in hazardous locations. Actual CSA certification is
indicated by the product label as shown below, and not by statements in any user documentation.
Example of the CSA certification product label:
marked for all applicable directives
Class I Div 2 Hazardous4
Class I Div 2 Hazardous4
marked for all applicable acts
N223
CL I, DIV 2
GP A,B,C,D
TEMP

ControlLogix AC (10-265V) DC (5-150V) Isolated Relay Module 15
Publication 1756-5.13 - September 1999
Approbation d’utilisation dans des environnements dangereux par la CSA
To comply with CSA certification for use in hazardous locations, the following information becomes a part of
the product literature for this CSA-certified industrial constrol product::
•This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D, or non-hazardous locations only.
•The products having the appropriate CSA markings (that is, Class I, Division 2, Groups A, B, C, D) are
certified for use in other equipment where the suitability of combination (that is, application or use) is
determined by the CSA or the local inspection office having jurisdiction.
IMPORTANT
Due to the modular nature of a programmable control system, the product with the
highest temperature rating determines the overall temperature code rating of a
programmable control system in a Class I, Division 2 location. The temperature code
rating is marked on the product label as shown.
Temperature code rating:
The following warnings apply to products having CSA certification for use in hazardous locations.
ATTENTION
!
Explosion hazard!
•Substitution of components may impair suitability for Class I, Division 2.
•Do not replace components unless power has been switched off or the area is
known to be non-hazardous.
•Do not disconnect equipment unless power has been switched off or the area
is known to be non-hazardous.
•Do not disconnect connectors unless power has been switched off or the area
is known to be non-hazardous. Secure any user-supplied connectors that mate
to external circuits on this equipment by using screws, sliding latches,
threaded connectors, or other means such that any connection can withstand
a 15 Newton (3.4 lb) separating force applied for a minimum of one minute.
•If the Product contains batteries, they must only be changed in an area known
to be non-hazardous.
CSA logo is a registered trademark of the Canadian Standards Association.
La CSA certifie des produits pour une utilisation générale aussi bien que pour une utilisation en
environnements dangereux. La certification CSA en vigueur est indiquée par l'étiquette produit et non par des
indications dans la documentation utilisateur.
Exemple d'étiquette de certification d'un produit par la CSA:
CL I, DIV 2
GP A,B,C,D
TEMP
Look for temperature
code rating here.
CL I, DIV 2
GP A,B,C,D
TEMP
Allen-Bradley PLCs

Publication 1756-5.13 - September 1999 PN 955133-35
Supersedes Publication 1756-5.13 - January 1998 © 1999 Rockwell International Corporation. Printed in the U.S.A.
Pour satisfaire à la certification CSA en environnements dangereux, les informations suivantes font partie
intégrante de la documentation des produits de commande industrielle certifiés.
•Cet équipement ne convient qu’à une utilisation en environnements de Classe 1, Division 2,
Groupes A, B, C, D ou non dangereux.
•Les produits portant le marquage CSA approprié (c'est-à-dire Classe 1, Division 2, Groupes A, B, C, D) sont
certifiés pour une utilisation avec d'autres équipements, les combinaisons d’applications et d’utilisations
étant déterminées par la CSA ou le bureau local d'inspection qualifié.
IMPORTANT
De par la nature modulaire des systèmes de commande programmables, le produit ayant
le code de température le plus élevé détermine le code de température global du
système dans un environnement de Classe 1, Division 2. Le code de température est
indiqué sur l'étiquette produit.
&RGHGHWHPSpUDWXUH
Les avertissements suivants s'appliquent aux produits ayant la certification CSA pour une utilisation en
environnements dangereux.
ATTENTION
!
Risque d'explosion
•La substitution de composants peut rendre cet équipement inadapté à une
utilisation en environnements de Classe 1, Division 2.
•Couper le courant ou s'assurer que l’environnement est classé non dangereux
avant de remplacer des composants.
•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 fournis par
l'utilisateur pour se brancher aux circuits externes de cet équipement à l 'aide
de vis, loquets coulissants, connecteurs filetés ou autres, de sorte que les
connexions résistent à une force de séparation de 15 Newtons
(1,5 kg - 3,4 lb.) appliquée pendant au moins une minute.
•S'assurer que l'environnement est classé non dangereux avant de changer
les piles.
Le sigle CSA est une marque déposée de l’Association des Standards pour le Canada.
CL I, DIV 2
GP A,B,C,D
TEMP
Le code de température
est indiqué ici.