beautypg.com

Rockwell Automation 2711 Standard PanelView Operator Terminal User Manual User Manual

Page 226

background image

226

Publication 2711-UM014G-EN-P - September 2008

Chapter 13 Troubleshooting and Maintenance

Troubleshooting Chart

Problem

Probable Causes

Corrective Actions

Terminal does not power up. Improper connection to power source.

Verify wiring and connections to power source.

Incorrect input voltage level.

Verify correct voltage is present at power terminals.

The dc power wires reversed (dc terminals only).

Make sure dc power positive and negative are
connected to the proper terminals.

Power terminal block not fully seated (PV300
terminals only).

Verify power terminal block is snapped onto base of
PV300 Micro.

Application file will not
download (first download).

Communication cable disconnected.

Check communication cable type and connections.

Incorrect communication rate or communication
settings.

Verify computer and terminal are set to same
communication settings.

Incorrect computer COM port selection.

Verify correct COM port number in WinPFT or
PanelBuilder32 software.

Application file will not
download (subsequent
downloads).

Incorrect communication or communication rate
settings.

Verify computer and terminal have same
communication settings. Change settings in
Communication Setup screen of the terminal.

No communication with
MicroLogix, ControlLogix,
SLC or PLC controller.

Communication (COMM) fault.

Check status of COMM Status.

Verify cable connections using cable diagrams
in Chapter 12.

Communication rates not set properly.

Verify that terminal and controller are set at the
same communication rate.

Controller is not in run mode.

Place controller in run mode.

Terminal node and maximum node numbers are not
set correctly.

Verify node address settings.

No communication with PLC
but COMM Status is active.

PanelView is trying to communicate with a
controller at a different address.

Verify address of the controller.

The inhibit bit is set as the default on the Channel
Status Screen in the PLC.

Change setting of the inhibit bit.

No communication with
computer.

Communication (COMM) fault.

Check status of COMM Status.

Verify cable connections using cable diagrams
in Chapter 10.

No SLC, network, or power supply connection at
terminal’s DH-485 port.

Personal Computer Interface Converter (PIC)
receives power from DH-485 connection. Verify that
the terminal is connected to an SLC, network, or
wallmount power supply as shown in Chapter 12.

Communication rates not set correctly.

Verify that terminal and computer are set at the
correct communication rate.

Terminal node and maximum node numbers are not
set correctly.

Verify node number settings.

Computer fault.

Refer to user manual for computer.

Communication driver not properly loaded.

Refer to RSLinx online help or manual.

Printer port is enabled.

Disable printing on the Printer Setup screen of the
Configuration Mode menu.