Rockwell-automation 1785-ENET USER MANUAL PLC-5 ETHERNET INTERFACE Manuale Utente Scaricare il pdf (Pagina 36)

1785-6.5.19 November 1998

4-6 Communicating via the Interface Module

When you enter 3A as the port number, an Ethernet instruction entry

screen appears. In addition to the information you entered previously

this screen includes a field for entering the Host/Internet (IP) address.

Enter the IP address of the destination processor here.

Communicating with

ControlLogix Devices

The Ethernet interface module, series A, revision E and later, with a

PLC-5 processor can communicate over Ethernet with ControlLogix

devices or through a ControlLogix Ethernet (1756-ENET) module to

other PLC-5 processors. The following diagram shows an Ethernet

PLC-5 processor (or PLC-5 processor with a 1785-ENET sidecar

module) and the other PLC and SLC processors it can communicate

with using a multihop MSG instruction.

This Parameter: Specifies:

IP Address The MSG instruction’s destination node.

• If the destination is a PLC-5/20E, -5/40E, -5/80E, or another

1785-ENET-equipped PLC-5 processor, the destination must be a full IP

address

• If the destination is an INTERCHANGE client program, type “CLIENT” in the

Destination Node field.

Important: You must set the port number to 3A in order to access this function.

DH+

ControlNet

ControlLogix chassis

SLC 5/05 Processor

ControlNet PLC-5 processor

PLC-5 Processor

Ethernet

PLC-5 processor with

1785-ENET sidecar

Ethernet PLC-5 processor

or PLC-5 processor with 1785-ENET sidecar

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Rockwell-automation 1785-ENET USER MANUAL PLC-5 ETHERNET INTERFACE Manuale Utente Pagina 36