Protected Mode; Enabling Explicit Protected Mode; Disabling Explicit Protected Mode - Rockwell Automation Allen-Bradley ControlLogix EtherNet/IP User Manual

Chapter 1 ControlLogix EtherNet/IP Network Device Overview

Protected Mode

12
The1756-EN2T, 1756-EN2TP, 1756-EN2TR, and 1756-EN4TR support
explicit protected mode.
configuration changes.

Enabling Explicit Protected Mode

To enable the module in an "explicit protected mode state", follow these steps.
1. Set the rotary switches
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 Publication 1756-UM004A-EN-P - March 2019
(1)
When in this mode, the module does not allow any
position '900' .
to