Delta Tau PMAC2 User Manual download pdf (Page 14)

Turbo PMAC2 Realtime Express Controller

Hardware Setup

Pin #

Symbol

Function

VCC

N.C.

D-

DATA-

D+

DATA+

GND

Ground

SHELL

Shield

SHELL

Shield

Ethernet / Modbus Connection, J2

This connector is used for Ethernet communications from the Turbo PMAC2 Eth Ultralite to a PC

or into an Ethernet network. The default IP address for all Delta Tau products with Ethernet

communication capability is 192.6.94.5 which can be changed later with the proper software

provided by Delta Tau.

This port can support Modbus communication and can act as either Server or Client on a Modbus

Network. There are four sockets available on this port and each of them can be configured as

Modbus Server/ Modbus Client / PMAC ASCII or PMAC INTR. If you want to use this port for

communication purposes with the controller, you need to set at least one of the sockets to PMAC

ASCII.

Note:

Delta Tau Systems strongly recommends the use of RJ45 CAT5e or better

shielded cable.

Newer network cards have the Auto-MDIX feature that eliminates the need

for crossover cabling by performing an internal crossover when a straight

cable is detected during the auto-negotiation process.

For older network cards, one end of the link must perform media dependent

interface (MDI) crossover (MDIX), so that the transmitter on one end of the

data link is connected to the receiver on the other end of the data link (a

crossover/patch cable is typically used). If an RJ45 hub is used, then a regular

straight cable must be implemented.

Maximum length for Ethernet cable should not exceed 100m (330ft).

RJ-45 Female Connector

Pin #

Symbol

Function

TX+

Transmit line

TX-

Transmit line

Unused

RX +

Receive line

RX -

Receive line

Amber LED

Activity

Blinking indicates transmit/receive activity

Green LED

Link

Solid Green indicates a valid connection

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Delta Tau PMAC2 User Manual Page 14

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