Rockwell-automation 1761-NET-ENIW MicroLogix Ethernet Interface (ENI) Manual do Utilizador descarregar pdf (Página 134)

Publication 1761-UM006E-EN-P - August 2005

C-2 1761-NET-ENI/ENIW Performance Considerations

Data Throughput

In tests performed using the RSLinx OPC Test Client, the ENI/ENIW

(series D) was connected to a MicroLogix 1500 with channel 0 set to

38.4 kbaud. The Ethernet port was connected to the computer

through a 10/100 Mbps switch.

The maximum number of minimum-sized packets per second that can

be transmitted through the ENI/ENIW (series D) at 100 Mbps to a

MicroLogix 1500 at 38.4 kbaud is 94 (94 words/second).

The maximum number of 100-word packets per second that can be

transmitted through the ENI/ENIW (series D) at 100 Mbps to a

MicroLogix 1500 at 38.4 kbaud is 15 (1500 words/second).

Number of Packets Packet Size (Words) Packet Rate (packet/s)

1131

2162

3175

4186

5188

6194

7194

Number of Packets Packet Size (Words) Packet Rate (packet/s)

11007

2 100 14

3 100 15

4 100 15

1 2 ... 129 130 131 132 133 134 135 136 137 138 139 ... 143 144

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Rockwell-automation 1761-NET-ENIW MicroLogix Ethernet Interface (ENI) Manual do Utilizador Página 134