Rockwell Automation MicroLogix 1500 Manuale utente
Installation Instructions
MicroLogix™ 1500 Programmable
Controller Base Units
(Catalog Numbers 1764-24AWA, 1764-24BWA, and
1764-28BXB)
http://literature.rockwellautomation.com/idc/groups/literature/documents/in/1
764-in001_-mu-p.pdf
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2MicroLogix™ 1500 Programmable Controller Base Units
Publication 1764-IN001B-EN-P - March 2008
Publication 1764-IN001B-EN-P
Installation Instructions
MicroLogix™ 1500 Programmable
Controller Base Units
(Catalog Numbers 1764-24AWA, 1764-24BWA, and
1764-28BXB)
Inside...
For More Information.............................................................................. 4
Overview ................................................................................................. 5
Base Unit Description ............................................................................. 6
Hazardous Location Considerations ....................................................... 7
Mounting the Controller ......................................................................... 9
Wiring the Controller ............................................................................ 13
Specifications ....................................................................................... 17
4MicroLogix™ 1500 Programmable Controller Base Units
Publication 1764-IN001B-EN-P
For More Information
If you would like a manual, you can:
• download a free electronic version from the internet:
http://literature.rockwellautomation.com
•purchase a printed manual by contacting your local Allen-Bradley
distributor or Rockwell Automation representative
Table 1 Related Publications
For Refer to this Document Pub. No.
A more detailed description of how to
install and use your MicroLogix 1500
programmable controller.
MicroLogix 1500
Programmable Controllers User
Manual
1764-UM001A-US-P
A reference manual that contains data and
functin files, instruction set, and
troubleshooting information for
MicroLogix 1200 and MicroLogix 1500.
MicroLogix 1200 and
MicroLogix 1500 Instruction
Set Reference Manual
1762-RM001B-US-P
More information on proper wiring and
grounding techniques. Industrial Automation Wiring
and Grounding Guidelines 1770-4.1
MicroLogix™ 1500 Programmable Controller Base Units 5
Publication 1764-IN001B-EN-P
Overview
Install your controller using these installation instructions.
!
ATTENTION Do not remove protective debris strips until after the base and
all other equipment in the panel near the base is mounted and
wiring is complete. Once wiring is complete, remove
protective debris strips and install processor unit. Failure to
remove strips before operating can cause overheating.
!
ATTENTION Be careful of metal chips when drilling mounting holes for
your controller or other equipment within the enclosure or
panel. Drilled fragments that fall into the controller could
cause damage. Do not drill holes above a mounted controller if
the protective debris strips have been removed.
!
ATTENTION Electrostatic discharge can damage semiconductor devices
inside the base unit. Do not touch the connector pins or other
sensitive areas.
Protective Debris
Strips
ESD Sticker
6MicroLogix™ 1500 Programmable Controller Base Units
Publication 1764-IN001B-EN-P
Base Unit Description
Table 2 Standard Base Units
Catalog Number Base Unit I/O and Power Supply
1764-24AWA 120V ac inputs/ relay outputs/ 120/240V ac power supply
1764-24BWA 24V dc inputs/ relay outputs/ 120/240V ac power supply
1764-28BXB 24V dc inputs/ FET and relay outputs/ 24V dc power supply
Table 3 Base Unit Description
Feature Description
1Removable Terminal Blocks
2Interface to Expansion I/O, Removable ESD Sticker
3Input LEDs
4Output LEDs
5RS-232 Communication Port (CH0)
6Status LEDs
7Terminal Doors and Label
2
3
4
5
6
7
1
1
MicroLogix™ 1500 Programmable Controller Base Units 7
Publication 1764-IN001B-EN-P
Hazardous Location Considerations
This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or
non-hazardous locations only. The following WARNING statement applies to
use in hazardous locations.
Use only the following communication cables in Class I, Division 2 hazardous
locations.
!
WARNING EXPLOSION HAZARD
• Substitution of components may impair suitability for Class
I, Division 2.
• Do not replace components or disconnect equipment unless
power has been switched off or the area is known to be
non-hazardous.
• Do not connect or disconnect components unless power has
been switched off or the area is known to be non-hazardous.
• This product must be installed in an enclosure. All cables
connected to the product must remain in the enclosure or be
protected by conduit or other means.
• All wiring must comply with N.E.C. article 501-4(b).
Table 4 Cable Listing
Environment Classification Communication Cables
Class I, Division 2 Hazardous Environment 1761-CBL-PM02 Series C or later
1761-CBL-HM02 Series C or later
1761-CBL-AM00 Series C or later
1761-CBL-AP00 Series C or later
2707-NC8 Series B or later
2707-NC10 Series B or later
2707-NC11 Series B or later
8MicroLogix™ 1500 Programmable Controller Base Units
Publication 1764-IN001B-EN-P
Environnements dangereux
Cet équipement est conçu pour être utilisé dans des environnements de Classe 1,
Division 2, Groupes A, B, C, D ou non dangereux. La mise en garde suivante
s’applique à une utilisation dans des environnements dangereux.
N'utilisez que les câbles de communication suivants dans des environnements
dangereux de Classe 1, Division 2.
DANGER D’EXPLOSION
• La substitution de composants peut rendre cet équipement impropre à
une utilisation en environnement de Classe 1, Division 2.
• Ne pas remplacer de composants ou déconnecter l'équipement sans
s'être assuré que l'alimentation est coupée et que l'environnement est
classé non dangereux.
• Ne pas connecter ou déconnecter des composants sans s'être assuré que
l'alimentation est coupée ou que l'environnement est classé non
dangereux.
• Ce produit doit être installé dans une armoire. Tous les câbles qui lui sont
connectés doivent rester dans l'armoire ou être protégés par un conduit
ou par d'autres moyens.
Table 5 Liste des câbles
Classification d'environnement Câbles de communication
Environnement dangereux Classe 1,
Division 2 1761-CBL-PM02, série C ou ultérieure
1761-CBL-HM02, série C ou ultérieure
1761-CBL-AM00, série C ou ultérieure
1761-CBL-AP00, série C ou ultérieure
2707-NC8, série B ou ultérieure
2707-NC10, série B ou ultérieure
2707-NC11, série B ou ultérieure
!
MISE EN GARDE
MicroLogix™ 1500 Programmable Controller Base Units 9
Publication 1764-IN001B-EN-P
Mounting the Controller
General Considerations
Most applications require installation in an industrial enclosure (Pollution Degree
2) to reduce the effects of electrical interference (Over Voltage Category II) and
environmental exposure. Locate your controller as far as possible from power
lines, load lines, and other sources of electrical noise such as hard-contact
switches, relays, and AC motor drives. For more information on proper
grounding guidelines, see the Industrial Automation Wiring and Grounding
Guidelines publication 1770-4.1.
!
ATTENTION
Vertical mounting is not recommended due to heat build-up
considerations.
!
ATTENTION Be careful of metal chips when drilling mounting holes for
your controller or other equipment within the enclosure or
panel. Drilled fragments that fall into the base or processor unit
could cause damage. Do not drill holes above a mounted
controller if the protective debris strips have been removed or
the processor has been installed.
NOTE Remove the ESD sticker to install expansion I/O modules. An
end cap terminator (catalog numbers 1769-ECR or -ECL) or
an extension cable (catalog numbers 1769-CRR1, -CRR3,
-CLL1, -CLL3, -CRL1, -CRL3) must be used at the end of the
group of I/O modules attached to the MicroLogix 1500
Controller. The end cap terminator is not provided with the
base unit. A maximum of eight I/O modules may be connected
to the base.
10 MicroLogix™ 1500 Programmable Controller Base Units
Publication 1764-IN001B-EN-P
Mounting Dimensions
Controller Spacing
The base unit is designed to be mounted horizontally, with the Compact™
expansion I/O extending to the right of the base unit. Allow 50 mm (2 in.) of
space on all sides for adequate ventilation, as shown below.
Table 6 Dimensions
Dimension 1764-24AWA 1764-24BWA 1764-28BXB
Height (A) 138 mm (5.43 in.)
Width (B) 168 mm (6.62 in.)
Depth (C) 87 mm (3.43 in.)
A
C
B
Top
Bottom
Side
Side
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