11
Nomenclature and Dimensions
Section 2-1
Slice I/O Unit
Structure
The Slice I/O Unit is made up of three blocks, as shown in the following dia-
gram. When replacement is necessary, individual blocks can be replaced.
Note
Refer to the
GRT1 Series Slice I/O Units Operation Manual
(W455) for details
such as Slice I/O Unit specifications and standard models.
2-1-1
LED Indicators
The DeviceNet Communications Unit’s LED indicators indicate the status of
the Unit, the DeviceNet network, and communications between the Unit and
Slice I/O Units.
Main Block
Base Block
This is the Slice I/O Unit's bus connector.
If a faulty Unit is being replaced, this
block can be left attached during online replacement.
Terminal Block
This is the Slice I/O Unit's terminal block.
If a faulty Unit is being replaced, the wiring can be
left attached and just the Main Block replaced.
Name
Color
Status
Meaning
MS
DeviceNet Communica-
tions Unit status
Green
Normal status (DeviceNet Communica-
tions Unit operating normally)
Red
Non-recoverable, fatal error occurred.
• Watchdog timer error
• RAM error
Recoverable, non-fatal error occurred.
• EEPROM checksum error
• Parameter setting logic error
• EEPROM hardware error
---
No power
• The Unit’s power supply is OFF.
• The Unit is being reset.
• The Unit is waiting for initialization.
MS
MS
MS
MS
Summary of Contents for SMARTSLICE - 04-2008
Page 1: ...DeviceNet Communications Unit Cat No W454 E1 03 SmartSlice GRT1 DRT OPERATION MANUAL ...
Page 2: ...SmartSlice GRT1 DRT DeviceNet Communications Unit Operation Manual Revised April 2008 ...
Page 3: ...iv ...
Page 5: ...vi ...
Page 13: ...xiv ...
Page 27: ...8 Basic Operating Procedure Section 1 5 ...
Page 57: ...38 Unit Functions Section 2 3 ...
Page 101: ...82 DeviceNet Explicit Messages Appendix A ...
Page 113: ...94 Standard Models Appendix C ...
Page 115: ...96 Power Consumption Tables Appendix D ...
Page 117: ...98 I O Current Consumption Appendix E ...
Page 119: ...100 Glossary ...