Troubleshooting; Devicenet; Exclusion; Tools - Epson RC620 Manual

Robot controller option, fieldbus i/o.

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Safety and installation - 218 pages
Manual - 2 pages

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4. Troubleshooting (DeviceNet)

4. Troubleshooting

4.1 DeviceNet

Exclusion

Every system has its special environment, conditions, specifications, and usages. This

guide is provided as a general reference for troubleshooting a DeviceNet network. Every

effort has been made to ensure the information is accurate. However, we do not guarantee

the complete accuracy of the information and thus we decline any liability for damages or

costs incurred by the use of this troubleshooting.

Before examining a problem on the network, please ensure that your established

DeviceNet system satisfies network specifications. (Refer to this troubleshooting and the

section 2.2 DeviceNet Network Construction.)

Tools

Prepare the following tools for troubleshooting.



TIP

Using the Woodhead NetMeter (DeviceNet diagnostic tool) is a simple way to learn

physical status of the DeviceNet network. For details of NetMeter, see Woodhead's Web

site (http://www.mysst.com/diagnostics/NetMeter.asp).

4.1.1 Examining a Problem

4.1.1.1 Scanner Board Diagnostic LEDs

The DeviceNet board used with EPSON RC+ has two status display LEDs. The layout of

the LEDs is shown in the following figure.

PCI-DVNIO

Port for Board Configuration

The Module/NetWork LED is on the left side and the IO LED is on the right side seen

from the rear panel. These LED names are used in applicomIO Console application and

140

Philips screwdriver

Flat-blade screwdriver

Tester

4-pin Terminal

Watchdog Port

(Do not use this port.)

Male 9-pin D-Sub

Status Display LED (2)

Left: Module/NetWork LED

Right: IO LED

DeviceNet Port

Jumper Pin for Board Address

JP1

RC620 Option Fieldbus I/O Rev.8

JP1

C0 C1 C2

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