Rockwell-automation 1761-NET-ENIW MicroLogix Ethernet Interface (ENI) Manual de usuario descargar pdf (Pagina 55)

Publication 1761-UM006E-EN-P - August 2005

ENI/ENIW Configuration (Nodes 241 to 254) 4-15

Node 252 - BOOTP Configuration

The ENI/ENIW allows the BOOTP request to be disabled by clearing

the BOOTP Enable parameter in the channel Configuration File.

BOOTP Enable behaves as follows:

When BOOTP Enable is disabled, the ENI/ENIW will wait for a

manual configuration.

The BOOTP enable/disable setting is only evaluated on power-up.

Changes to the BOOTP configuration will not take effect until the next

power cycle.

Node 251 - Email Server

The TCP/IP address stored in this location defines the mail server. The

ENI/ENIW sends all email requests to this server, which then sends

the email message to the destination.

Node 250 - TCP/IP Configuration

This procedure describes configuration for the TCP/IP parameters.

The TCP/IP parameters are configured by sending a message

Table 4.3 BOOTP Configuration Settings

Node

252

Setting

ENI Configuration

Utility Setting

Description ENI/

ENIW

Series

0 Obtain via BOOTP and

save

initial BOOTP configuration, where ENI/ENIW saves the result in non-volatile RAM

(NVRAM) and uses that saved configuration on subsequent power cycles

A, B, C, D

1 Nothing checked IP address must be configured via the Configuration Utility or via a write to node 250. A, B, C, D

2 Obtain via BOOTP and

Fallback

special BOOTP where ENI/ENIW saves the result in non-volatile RAM (NVRAM), but

tries BOOTP first. BOOTP is used only to change the IP address of the ENI/ENIW.

B, C, D

3 Always obtain via BOOTP traditional BOOTP where ENI/ENIW does not save the result in NVRAM and relies on

the BOOTP response for every power cycle

B, C, D

4 DHCP traditional Dynamic Host Configuration Protocol (DHCP) where the ENI/ENIW does

not save the result in NVRAM and relies on a DHCP response for every boot

B, C, D

IMPORTANT

If BOOTP/DHCP is disabled, or no BOOTP/DHCP

server exists on the network, you must use a soft

configuration method to enter or change the IP

address for each ENI/ENIW. See page 4-1 for more

information.

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