Rockwell Automation Allen-Bradley ControlLogix EtherNet/IP User Manual

12 Rockwell Automation Publication 1756-UM004A-EN-P - March 2019
Chapter 1 ControlLogix EtherNet/IP Network Device Overview
Protected Mode
The1756-EN2T, 1756-EN2TP, 1756-EN2TR, and 1756-EN4TR support
explicit protected mode.
(1)
When in this mode, the module does not allow any
configuration changes.
Enabling Explicit Protected Mode
To enable the module in an “explicit protected mode state”, follow these steps.
1. Set the rotary switches
to position ‘900’.
2. Power up the device, and wait for the display to scroll, “Protected Mode
– Change Switch Settings”.
3. Power down the device.
4. Set the switches for normal operation.
5. Power up the device.
6. The device is now in Explicit Protected Mode.
Operation in Explicit Protected Mode
While working in protected mode, the module rejects any CIP™ explicit
messages that would change the configuration of the module. For example, you
cannot change the IP address, speed, or duplex settings when the module had
Explicit Protected Mode enabled.
Disabling Explicit Protected Mode
To disable the “explicit protected mode state”, follow these steps.
1. Set the rotary switches on position ‘000’.
2. Power up the device, and wait for the display to scroll, “Unprotected
Mode – Change Switch Settings”.
3. Power down the device.
4. Set the switches for normal operation.
5. Power up the device.
6. The device is now in Unprotected Mode.
(1) Versions 11.001 and later.

Rockwell Automation Allen-Bradley ControlLogix EtherNet/IP Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley ControlLogix EtherNet/IP
Category	Network Hardware
Language	English