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ROC800-Series Instruction Manual

2-20

Installation and Use

Revised Jul-14

To remove a license key:

1.

Perform the backup procedure described in

Preserving

Configuration and Log Data

in

Chapter 6, Troubleshooting

.

2.

Remove power from the ROC800.

3.

Remove the wire channel cover.

4.

Unscrew the captive screws from the CPU faceplate and remove it.

5.

Remove the license key from the appropriate terminal slot (P2 or

P3) in the CPU (refer to

Figure 2-8

).

6.

Replace the CPU faceplate and tighten the two captive screws..

7.

Replace the wire channel cover.

8.

Review

Restarting the ROC800

in

Chapter 6, Troubleshooting

.

9.

Restore power to the ROC800.

2.8 Startup and Operation

Before starting the ROC800, perform the following checks to ensure the

unit components are properly installed.

Make sure the power input module is properly seated in the

backplane.

Make sure I/O and communication modules are seated in the

backplane.

Check the field wiring for proper installation.

Make sure the input power has the correct polarity.

Make sure the input power is fused at the power source.

Caution

Check the input power polarity before connecting power to the ROC800.

Incorrect polarity can damage the ROC800.

When working on units located in a hazardous area (where explosive

gases may be present), make sure the area is in a non-hazardous state

before performing procedures. Performing these procedures in a

hazardous area could result in personal injury or property damage.

2.8.1 Startup

Before you apply power to the ROC800, assess the power requirements

(including the base unit, EXPs, and any installed modules and

peripheral devices) that comprise the total configuration for your

ROC800. Refer to

Determining Power Consumption

in

Chapter 3,

Power Connections

.

Apply power to the ROC800 (refer to

Installing a Power Input Module

in

Chapter 3, Power Connections

). The power input module’s LED