Allen-Bradley MicroLogix 1761-NET-ENI Instrukcja Użytkownika Pobierz pdf (Strona 35)

Publication 1761-UM006A-EN-P - February 2001

ENI Configuration (Node 248 to 254) 4-7

3. Open the message instruction and enter the appropriate

variables. The variables are described in Table 4.1.

4. With the controller in Run, initiate the message. The new TCP/IP

information is transmitted to the ENI.

Table 4.1 Message Instruction Variables for Configuring ENI Data Parameters

Variable Setting

This Controller Parameters:

Communication

Command

For the ENI configuration, this must be set to:

• 485CIF for MicroLogix and SLC

• an unprotected write command for CompactLogix and

PLC-5

Data Table Address In this example we are using integer file 50, element 5

(instruction starts at N50:5).

Size in Elements For all ENI TCP/IP data configuration, always set this to 4 (4

words).

Channel The RS-232 communication channel that is connected to the

ENI, typically 0 or 1.

Target Device Parameters:

Message Timeout Leave this value at the default.

Data Table Offset Always 0.

Local Node Addr (dec). This is the destination node address, in this example it is 101.

Local/Remote Always Local.

ATTENTION

At this point, the new configuration has NOT

been saved to permanent memory. See Node

248 information on page 4-11 for instructions.

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 101 102

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Allen-Bradley MicroLogix 1761-NET-ENI Instrukcja Użytkownika Strona 35