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Pin Assignments of D-shell Connector

The pin assignments of the D-shell connector are as follows:

Connection

IP Address and System ID (SRS)

A transparent label provided with the controller can be used to note the IP Address

and system ID (SRS). The default value for the IP Address is 192.168.0.99. The

default SRS is 60000. Do not cover the ventilation slots when attaching the label to

the controller housing.

Reset Pushbutton

The controller is equipped with a reset pushbutton. Reset via the pushbutton is

necessary if you forget the password for the programming software. The

pushbutton is accessible through a small round hole at the top of the housing,

approximately 4 to 5 cm (1.6 to 2.0 in.) from the left rim and recessed

approximately 9.5 mm (0.375 in.).

IMPORTANT

To reset, press and hold the pushbutton for 20 seconds while rebooting the

controller by cycling power. Pressing the Reset pushbutton during operation has no

affect.

During reset:

• all accounts are deleted, except the default "Administrator" account

• IP address and system ID (SRS) are set to their default values

Signal

—

RxD/TxD-A

CNTR-A

DGND

—

RxD/TxD-B

CNTR-B

Activate the reset pushbutton using an insulated pin to prevent

short-circuits.

Function

—

5V, decoupled with diodes

Receive/Transmit data A

Control signal A

Data reference potential

5V, positive pole of supply voltage

—

Receive/Transmit data B

Control signal B

Publication 1753-IN001B-EN-P - March 2004

GuardPLC™ 1600 Controllers