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139
Maintenance
Section 8-2
8-2
Maintenance
This section describes the routine cleaning and inspection recommended as
regular maintenance. Handling methods when replacing Units are also
explained here.
8-2-1
Cleaning
Clean the DeviceNet Units regularly as described below in order to keep the
Network in its optimal operating condition.
• Wipe the Unit with a dry, soft cloth for regular cleaning.
• When dust or dirt cannot be removed with a dry cloth, dampen the cloth
with a neutral cleanser (2%), wring out the cloth, and wipe the Unit.
• Smudges may remain on the Unit from gum, vinyl, or tape that was left on
for a long time. Remove these smudges when cleaning.
TS: OFF
Communications with
the Temperature Con-
trollers have stopped.
Set the Temperature Controller con-
nection configuration.
The Unit is faulty.
Replace the Unit.
TS: Flashing red
One or more of the con-
nected Temperature
Controllers is faulty.
Replace the faulty Temperature Con-
trollers. Check the communications
status and communications error sta-
tus to detect which Temperature Con-
troller is faulty.
One or more of the con-
nected Temperature
Controllers has been
disconnected.
Connect the Temperature Controllers
correctly. Check the communications
status and communications error sta-
tus to detect which Temperature Con-
troller is disconnected.
The communications
unit number of one or
more Temperature Con-
trollers registered in the
connection configura-
tion is incorrect.
Change the communications unit
number of the Temperature Controller
or register the connection configura-
tion correctly.
Pin 1 of the DIP switch
is set incorrectly.
Set correctly as follows:
Pin 1 ON: Simple I/O allocation
Pin 1 OFF: I/O allocation using the
Configurator
Power is not being sup-
plied to the End Unit.
Supply 24-VDC power to the End
Unit.
The Unit is faulty.
Replace the Unit.
TS: Flashing red
(Flashes for 10 s
only.)
A communications error
occurred with the Tem-
perature Controller
when copy was exe-
cuted.
• Check whether the Units are con-
nected together properly. Refer to
the
EJ1 User’s Manual
(Cat. No.
H142).
• If distributed placement is used,
check the connection of port B on
the End Unit.
The settings down-
loaded for a Tempera-
ture Controller
configuration that is dif-
ferent from that used
when uploading.
Use the same Temperature Controller
configuration for downloading that
was used when uploading.
Indicator status
Probable cause
Remedy
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...