Specifications

20 Rockwell Automation Publication AG-SG001G-EN-P - April 2015
Chapter 1 Your SCADA System Solutions
Selection Worksheet
Use this worksheet as a quick guide to specifying a system.
Step For this component Choose See page Record your selection
1
Telemetry network Topology:
• Point-to-point
• Point-to-multipoint
• Multipoint-to-multipoint
22
Transmission mode:
• Half-duplex
• Full-duplex
24
Link media 24
Protocol 33
2
Data communication
equipment
Choose DCEs based on the following:
• Link media
• Transmission requirements
• Diagnostic requirements
• Master and remote station needs
• Application
41
3
Master station Choose a master station based on the following:
• Functionality required (I/O to scan, amount of data to be
collected, operator interface needed)
• Quantity of remote stations
• Protocol being used
• Other application requirements
Make sure you have the following:
• A serial and/or Ethernet interface
• The proper equipment for the protocol you are using
• Power for the station
Select other components you may need:
• I/O modules and chassis
• Local area network components
• Enclosures
61
Operator interface
submaster station
Depending on the size of your application, you may need
operator interfaces or submaster stations.
66
4
Remote stations Choose a remote station based on the following:
• Functionality required
• Quantity of I/O points being controlled
• Power availability
• Space
• Location of the remote station
• Other application requirements
71
5
Choose control system components:
• I/O modules and chassis
• Enclosures
• Operator interfaces