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23
Part Names and Functions
Section 3-1
3-1-2
Indicators
The indicators show the status of the DeviceNet Communications Unit, the
DeviceNet Network, and the status of communications with the Temperature
Controllers.
Indicator
Name
Color Status
Meaning (main errors)
MS
Module sta-
tus
Green ON
The Unit condition is normal. (DeviceNet
Communications Unit is normal.)
Flash-
ing
The Unit is not set (when I/O allocation is
set from the Configurator).
• The connection configuration has not
been set.
• I/O allocations have not been set.
Red
ON
Fatal error
• Watchdog timer error
• RAM error
Flash-
ing
Non-fatal error
• EEPROM sum error
• EEPROM hardware error
---
OFF
No power is being supplied.
• Power is not being supplied to the
DeviceNet Communications Unit.
• The Unit is being reset.
• Waiting for initialization to start.
NS
Network
status
(DeviceNet)
Green ON
Online/communications established (nor-
mal network status)
Flash-
ing
Online/communications established (wait-
ing for communications to be established
with master)
Red
ON
Fatal communications error (The Unit has
detected an error that does not allow com-
munications through the network.)
• Node address duplication error
• Bus Off error detected
Flash-
ing
Non-fatal communications error
• Communications timeout
---
OFF
Offline or power supply is OFF
• Waiting for completion of the master's
node address duplication check.
• Power is not being supplied to the
DeviceNet Communications Unit.
Содержание EJ1 - 07-2008
Страница 1: ...DeviceNet Communications Unit for EJ1 Temperature Controllers Cat No H155 E1 02 OPERATION MANUAL...
Страница 2: ...DeviceNet Communications Unit for EJ1 Temperature Controllers Operation Manual Revised July 2008...
Страница 3: ...iv...
Страница 19: ...xx...
Страница 33: ...14 Initial Temperature Controller Settings Section 1 4...
Страница 53: ...34 Wiring the Temperature Controllers Section 3 4...
Страница 101: ...82 Ladder Programming Examples Section 4 6...
Страница 143: ...124 Sending Explicit Messages Section 6 5...
Страница 155: ...136 Message Communications Characteristics Section 7 2...
Страница 163: ...144 Maintenance Section 8 2...
Страница 189: ...170 Allocation Numbers for Configurators Manufactured by Other Companies Appendix B...
Страница 197: ...178 Index...