Epson EM07ZS1647F User Manual

Page 93

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4. Troubleshooting (DeviceNet)

♦ Process Flowchart

Master:
Absent Slave

Master Unit:
Configuration Error

Master:
Unestablished
Communication

Master:
Busoff Detection

See 4.1.2.2.

Slave:
Not Added

Slave:
Busoff Detection

Slave:
Communication
Error Detection

Yes

Yes

Yes

Yes

Yes

1

Slave:
Not Operating

Yes

Master:
Uninitialized Network

No

No
(Other)

Master LED

See 4.1.2.6.

See 4.1.1. Examining
Details of Trouble
.

2

Yes

3

Yes

4

Yes

5

6

7

8

9

Absent Slave LED

No

See 4.1.2.1.1.

MS: Green ON

NS: Red Blinking

MS: OFF

NS: OFF

MS: Green ON

NS: Red Blinking

MS: Green ON
NS: Red ON

MS: Green ON
NS: OFF

No

No

No

No

MS: Red Blinking

No

MS: OFF

NS: Green Blinking

No

MS: OFF
NS: OFF

No

Yes

MS: Red ON
Other

Broken Slave Unit
Replace the unit.

Broken Master Unit
Replace the Unit.

Examining a

trouble.

MS: Green ON
NS: Red ON

MS: Green ON
NS: OFF

See 4.1.2.1.2.

See 4.1.2.1.2.

See 4.1.2.1.2.

See 4.1.2.3.

See 4.1.2.4.

See 4.1.2.5.

Fieldbus I/O Rev.6

81

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