Emerson ROC827 Troubleshooting Analog Input Modules, Select File Download, Damage

Models: ROC827

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ROC827 Instruction Manual

 

 

Ensure all input devices, output devices, and processes remain in a safe

 

Caution

 

state upon restoring power. An unsafe state could result in property

 

 

damage.

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.

Note: The procedure assumes you are using ROCLINK 800 software.

1.Reconnect power to the ROC827 unit.

2.Wait 30 seconds.

3.Launch ROCLINK 800 software, log in, and connect to the ROC827.

4.Verify that the configuration is correct. If major portions or the entire configuration needs to be reloaded, perform the remaining steps.

5.Select File > Download.

6.Select the backup configuration file (with file extension *.800) from the Open dialog box.

7.Select the portions of the configuration you desire to download (restore).

8.Click Download to restore the configuration.

9.Configure other required parameters.

6.3.3Troubleshooting Analog Input Modules

Before you can determine whether an Analog Input module is operating properly, you must first know its configuration. Table 6-1 shows typical configuration values for an Analog Input:

Table 6-1. Analog Input Module Typical Configuration Values

Parameter

Value

Value Read

Adjusted A/D 0 %

819

1 volt dc across the + and the COM terminal by a multimeter

Adjusted A/D 100 %

4095

5 Volts dc across the + and the COM terminal by a multimeter

Low Reading EU

0.0000

EU value with 1 Volt dc

High Reading EU

100.0

EU value with 5 Volts dc

Value

xxxxx

Value read by AI module

Equipment Required:

ƒMultimeter

ƒPC running ROCLINK 800 software

Issued Mar-06

Troubleshooting

6-5

Page 117
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Emerson ROC827 Troubleshooting Analog Input Modules, Select File Download, Damage, Parameter Value Value Read