Allen-Bradley ControlNet 1747-SCNR Manuale utente
Publication 1747-IN059A-EN-P - February 2001
Installation Instructions
SLC ControlNet Scanner Module
Catalog Number 1747-SCNR
Use this document to help you install the ControlNet™ 1747-SCNR
Scanner module.
For information about See page
preventing electrostatic discharge 2
compliance to European Union Directives 2
related publications 3
module features 4
preparing the module for installation 5
selecting the ControlNet node address 6
inserting the 1747-SCNR scanner into the chassis 6
connecting to a ControlNet network 8
cables 10
applying chassis power 11
status indicators 17
specifications 18
AB PLCs
2SLC ControlNet Scanner Module
Publication 1747-IN059A-EN-P - February 2001
Prevent Electrostatic Discharge
The scanner module is sensitive to electrostatic discharge.
Compliance to European Union Directives
If this product has the CE mark, it is approved for installation within
the European 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.
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 bag
SLC ControlNet Scanner Module 3
Publication 1747-IN059A-EN-P - February 2001
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
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 For
Noise Immunity, publication 1770-4.1
•Guidelines For Handling Lithium Batteries, publication AG-5.4
•Automation Systems Catalog, publication B113
This equipment is classified as open equipment and must be
installed (mounted) in an enclosure as a means of providing safety
protection.
Related Publications
For software configuration information, refer to the ControlNet
1747-SCNR Reference Manual, publication 1747-RM623B-EN-P.
For planning and installation information, refer to the ControlNet
Cable System Planning and Installation Manual, publication
1786-6.2.1. If you need a copy of this manual, access the
Automation Bookstore website at
http://www.theautomationbookstore.com or the Manuals On line
website at http://www.ab.com/manuals.
For information on terminating ControlNet coaxial cables, refer to
Terminating Your ControlNet Coaxial Cables, CD number
CNET-DM001A-EN-C.
AB PLCs
4SLC ControlNet Scanner Module
Publication 1747-IN059A-EN-P - February 2001
Identify Scanner Module Features
Use this illustration to identify the features of the 1747-SCNR
Scanner module.
Node Address and Status Display
Displays scanner node address and status
Module Status Indicator
Indicates whether the device is powered and is
functioning properly
ControlNet Redundant Media Ports
BNC connectors (Channels A and B)
Channel B
Status Indicator
Channel A
Status Indicator
ControlNet Network
Access Port
(NAP)-RJ45 connector
30751-M
SLC ControlNet Scanner Module 5
Publication 1747-IN059A-EN-P - February 2001
Prepare for Module Installation
Before you install your module, you need the following items:
Before you install the module, you must know how to:
•program and operate an Allen-Bradley SLC 500 programmable
controller
•install and configure the devices on your ControlNet network
Make Sure That Your Processor and Scanner Are Compatible
The 1747-SCNR Scanner module fits in any slot of the chassis except
for the left-most slot of the first chassis, which is reserved for the
SLC 500 processor.
Personal Computer with
MicrosoftWindows
RSNetWorx for
ControlNet,
catalog number
9357-CNETL3 1747-SCNR Scanner Module
Reference Manual, publication
1747-RM623B-EN-P
SLC1746 chassis with SLC
5/02, 5/03, 5/04, or 5/05 processor and
the appropriate configuration software
(RSLogix 500)
ControlNet 1784-PCC (shown), or
1784-PCIC, or 1784-KTCX15, or
1770-KFC15
41523
AB PLCs
6SLC ControlNet Scanner Module
Publication 1747-IN059A-EN-P - February 2001
Select the ControlNet Node Address
Select the ControlNet node address of the 1747-SCNR by setting the
two 10-digit rotary switches on the top of the scanner. Valid switch
settings range from 01 through 99. Zero (00) is not a valid node
address.
Important: Since 00 is the default value from manufacturing, you
must change the default value when using the
scanner for the first time.
Insert the 1747-SCNR Scanner Into the Chassis
To insert the 1747-SCNR Scanner into the SLC chassis:
1. Turn off the SLC chassis power supply.
Important: If you disconnect the ac power, you lose the chassis
ground. Electrostatic damage (ESD) protection is lost.
ATTENTION
!
Do not install the 1747-SCNR Scanner module with the
chassis power supply on. Installing the module with the
chassis power supply on may damage the module.
Top View of Module
10-digit rotary switches: ones digit
10-digit rotary switches: tens digit
30752
SLC ControlNet Scanner Module 7
Publication 1747-IN059A-EN-P - February 2001
2. Select a slot for the module in the chassis. Choose any slot
except the left-most slot of the first chassis, which is reserved
for the SLC 500 processor.
3. Insert the module into the slot you have selected. We
recommend that you insert the 1747-SCNR Scanner as close to
the chassis power supply as possible.
4. Apply firm, even pressure to seat the module in the I/O
chassis backplane connectors.
5. Restore power to the SLC chassis.
30801-M
AB PLCs
8SLC ControlNet Scanner Module
Publication 1747-IN059A-EN-P - February 2001
Connect to a ControlNet Network
Connect the 1747-SCNR Scanner module to a ControlNet network
via a tap with a 1m (39.4 in.) drop cable.
Four Allen-Bradley ControlNet taps are available from Rockwell
Automation as shown below.
We recommend that you use a tap with a straight connector—
1786-TPS or 1786-TPYS—when you attach a ControlNet 1747-SCNR
Scanner to a ControlNet network.
Important: Allen-Bradley ControlNet taps contain passive
electronics and must be purchased from Rockwell
Automation for the network to function properly.
After terminating your network segments, connect your node to the
network.
Straight T-tap Straight Y-tap Right-angle T-tap Right-angle Y-tap
1786-TPS 1786-TPYS 1786-TPR 1786-TPYR 20094-M
AA
B
Redundant media
Nonredundant media
30802-M
SLC ControlNet Scanner Module 9
Publication 1747-IN059A-EN-P - February 2001
Remove the tap’s dust cap—located on the straight or right-angle
connector—and set it aside.
For detailed information about planning and installing your
ControlNet system, see the following information sources.
If your network supports Connect the tap’s straight or right-angle connector
nonredundant media to the channel A connector on the scanner—channel B is not
used.1
redundant media from trunk-cable A to channel A on the scanner and
from trunk-cable B to channel B on the scanner.
1. Rockwell Automation recommends using channel A for nonredundant media.
Source Source Number
ControlNet Coax Cable System Planning and Installation Manual 1786-6.2.1
ControlNet Media System Component List AG-2.2
ControlNet Coax Tap Installation Instructions 1786-5.7
ControlNet Network Access Cable Installation Instructions 1786-2.6
ControlNet Repeater Installation Instructions 1786-2.7
Industrial Automation Wiring and Grounding Guidelines 1770-4.1
Terminating Your ControlNet Coaxial Cables CNET-DM001A-EN-C
AB PLCs
10 SLC ControlNet Scanner Module
Publication 1747-IN059A-EN-P - February 2001
Cables
Several types of RG-6 quad-shield cables may be appropriate for
your ControlNet installation—depending on the environment factors
associated with your application and installation site.
The following Allen-Bradley ControlNet cable system components
are available from Rockwell Automation:
Important: Install all wiring for your ControlNet system in
accordance with the regulations contained in the
National Electronic Code (or applicable country
codes), state codes, and applicable municipal codes.
For detailed information about ControlNet cabling, see the
ControlNet System Overview, publication 1786-SO009A-EN-P and
the publications listed in the table on the previous page.
Item1Cat. No.
ControlNet Coax Tool Kit - ControlNet Coax Tool (enables you to make successful
coaxial cables)
1786-CTK
Coax Tap Kit Right-angle T-tap
Straight T-tap
Right-angle Y-tap
Straight Y-tap
1786-TPR
1786-TPS
1786-TPYR
1786-TPYS
Repeaters Dual channel coaxial repeater 1786-RPCD
Fiber Optic Repeaters
Low-voltage dc coax adapter 1786-RPA
Short-range fiber module 1786-RPFS
Medium-range fiber module 1786-RPFM
RG-6 Quad Shield Cable Standard-PVC CM-CL2 1786-RG6
ControlNet Network Access Cable–3.05 m (10 ft) 1786-CP
BNC Connectors Barrel (plug to plug) 1786-BNCP
BNC/RG-6 plug 1786-BNC
Bullet (jack to jack) 1786-BNCJ
Isolated-bulkhead (jack to jack) 1786-BNCJI
Terminators (BNC-75Ω) 1786-XT
1. For a complete list of Allen-Bradley ControlNet cable system components that are available from
Rockwell Automation and cable system components available from other suppliers, see the ControlNet
Media System Component List, publication AG-2.2.
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