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207
Determining the Error from the Status
Section 8-3
8-3
Determining the Error from the Status
The EJ1 status can be checked by using communications to read the Status.
Status is connected to other status data in a directory tree, so the cause of the
error can be checked or the channels for which there are alarms can be inves-
tigated by searching through the directory tree for the related status.
■
Example of Using Status Information for Troubleshooting
1.
Read the Device A Status (C40000) for the TC4 Unit.
C40000: 'H0004 (i.e., bit 2 is ON)
→
A channel error status bit is ON.
2.
Read Error Channel A Status (C4000B).
C4000B: 'H0008 (i.e., bit 3 is ON).
→
An error or alarm has occurred for channel 4.
3.
Read the Channel Status (C40401) and Channel Alarm Status (C40402)
of channel 4.
C40401: 'H0001 (i.e., bit 0 is ON)
→
Operation is stopped but there is no input error.
C40402: 'H0003 (i.e., bits 0 and 1 are ON)
→
Channel 4 alarms 1 and 2 are ON.
0
0
1
0
0
0
0
0
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
Bit 12
Bit 13
Bit 14
Bit 15
Device Error
Configuration Error
Channel Error
Not used.
Expand Communications Error
Not used.
Not used.
Not used.
Not used.
Not used.
I/O Error
Lower-level I/O Error
I/O Alarm
Lower-level I/O Alarm
I/O Notification
Not used.
0
0
0
0
0
0
0
0
C4/84 000B
C4/84 0000
C4/84 0401
Channel Status
Error Channel A Status
Device A Status
CH1
CH2
CH3
CH4
0
Bit 0
Bit 1
Bit 2
Bit 3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
Bit 12
Bit 13
Bit 14
Bit 15
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
1
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
Bit 12
Bit 13
Bit 14
Bit 15
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Bit 8
Bit 9
Bit 10
Bit 11
Bit 12
Bit 13
Bit 14
Bit 15
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Channel Alarm Status
C4/84 0402
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
RUN/STOP
Auto/Manual
AT Execute/Cancel
SP Mode
Input Error
RSP Input Error
Alarm 1
Alarm 2
Alarm 3
Heater Overcurrent
HB Alarm
HS Alarm
OC Alarm
Set Point Limiter Out of Range
Set Value Limiter Reverse Operation
MV Limiter Reverse Operation
Scaling Reverse Operation
The CX-Thermo Support Software's Status Display can be used to monitor the EJ1 status and
related statuses in a directory tree.
In addition to the status name and details, possible causes of errors and their countermea-
sures are simultaneously displayed for efficiently processing errors.
Summary of Contents for EJ1 EtherCAT
Page 2: ...EJ1 Modular Temperature Controllers User s Manual Revised July 2008 ...
Page 3: ...iv ...
Page 19: ...xx ...
Page 213: ...188 Detailed Description of Services Section 6 4 ...
Page 227: ...202 Detailed Description of Services Section 7 5 ...
Page 303: ...278 Index ...
Page 305: ......