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92 Rockwell Automation Publication ENET-RM002C-EN-P - May 2013
Chapter 5 Predict System Performance
Explicit Messaging
The RSView® and PanelView Plus messages are explicit messages. Reserve 10% of
the bandwidth of the EtherNet/IP communication module for explicit
messaging.
Explicit messaging throughput is also dependent upon network availability and
target availability. Therefore, reserving 10% of the total bandwidth does not
guarantee throughput.
Next determine if each EtherNet/IP communication module has enough
bandwidth to handle the implicit messaging.
EtherNet/IP
Interface
Total Bandwidth 10% Reserve for Explicit Messaging
1756-ENBT 5000 pps 500 pps
1756-EN2F
1756-EN2T
1756-EN2TR
1756-EN2TXT
1756-EN3TR
The pps for these modules depends on the
module’s series and firmware revision.
The modules support this pps:
• Series A, firmware revision 2.x orearlier
= 10,000 pps
• Series A or later, firmware revision 3.6 or
later= 25,000 pps
For more information on the pps supported
by these modules, see Table 12 on page 66
.
One of the following:
• Series A, firmware revision 2.x or earlier
= 1000 pps
• Series A or later, firmware revision 3.6 or
later= 2500 pps
1768-ENBT 5000 pps 500 pps
1769-L23Ex 2000 pps 200 pps
1769-L32E
1769-L35E
4000 pps 400 pps
1769-L30ER 6000 pps 600 pps
1769-L30ERM
1769-L30ER-NSE
1769-L33ER
1769-L33ERM
1769-L36ERM
1769-L24ER-QB1B
1769-L24ER-QBFC1B
1769-L27ERM-QBFC1B
1769-L16ER-BB1B
1769-L18ER-BB1B
1769-L18ERM-BB1B
1788-ENBT 5000 pps 500 pps
1734-AENT 5000 pps 500 pps
1794-AENT 9500 pps 950 pps
- Reference Manual 1
- Important User Information 2
- Summary of Changes 3
- New and Updated 3
- Information 3
- Table of Contents 5
- Chapter 4 6
- Chapter 5 6
- Predict System Performance 6
- Studio 5000 Environment 10
- Additional Resources 11
- EtherNet/IP Overview 13
- Network Protocols 14
- Configuration Requirements 15
- Gateway Address 17
- Subnet Mask 18
- EtherNet/IP Modules in a 19
- Control System 19
- Bridge across Networks 20
- Chapter 2 21
- Topologies 22
- Repeaters 25
- Media Converters 26
- Routers and Gateways 27
- Switches 28
- Autonegotiation 29
- Full-duplex Mode 30
- Chapter 3 31
- Transmission Packets 32
- Transmission Protocols 35
- Domain Name System (DNS) 36
- Network Address Translation 38
- Supported NAT Topologies 39
- Virtual LANs and 42
- Segmentation 42
- VLAN Trunking 44
- Quality of Service (QoS) 45
- Resiliency 46
- Resiliency Protocols 47
- EtherChannel Protocol 49
- Flex Links Protocol 50
- Device-level Ring (DLR) 52
- Forwarding 54
- Blocking 54
- Internet Group Management 55
- Protocol (IGMP) 55
- Port Security 56
- Security Violations 57
- Device Commissioning 58
- EtherNet/IP Protocol 59
- Terminology 61
- TCP Connections 62
- CIP Connections 62
- CIP Connection Message Types 63
- CIP Connection Types 63
- EtherNet/IP Network 66
- Specifications 66
- Packets Rate Capacity 69
- Requested Packet 70
- Interval (RPI) 70
- Messaging 71
- Explicit Messages 72
- CIP Safety 73
- CIP Sync 74
- Integrated Motion on an 76
- Connectivity to IT 77
- System Prediction Goals 80
- Step 4 or 6: 81
- Does System 81
- Performance Calculations 83
- Calculate Packets/Second 86
- (Fastest) 88
- Example: Predict System 90
- Performance 90
- Explicit Messaging 92
- 1756-EN2T Module 1 93
- MAX (Rack-optimized) 98
- MAX (Analog Non-Isolated) 98
- MAX (Produced/Consumed Tag) 98
- Rockwell Automation Support 106
- Documentation Feedback 106
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