Rockwell Automation 842E EtherNet/IP Absolute Encoder User Manual - Manual (Page 55)

Rockwell Automation Publication 842E-UM001A-EN-P May 2012 47
Diagnostics and troubleshooting Chapter 7
Supported alarms (attribute 44+45)
Errors
Sensor error table
Bit Description Description
FALSE (0)
(44) TRUE (1)
(44)
0 Position ERROR Position error Ok ERROR
1 Diagnostic ERROR Diagnostic error Ok ERROR
2…11 Reserved by CIP – – –
12 Vendor: checksum ERROR Checksum error Ok ERROR
13 Vendor: startup ERROR Startup error Ok ERROR
14…15 Vendor specific – – –
Fault
header
[byte]
Bit Error Description
FALSE
(0) TRUE
(1)
Supported
Warning/
alarm
0 Reserved Reserved Always
0 – NO W
0 1 Over
temperature
sensor Operating temperature of the encoder
outside the permissible range 0 1 YES W
2 Light control
reserve Permissible internal LED current in the
sensors exceeded 0 1 YES W
3 Voltage
detection Supply voltage outside the permissible
range 0 1 YES W
4 Frequency
exceeded Frequency error, maximum velocity has
been exceeded. 0 1 YES W
5 Velocity
exceeded The velocity has dropped below/
exceeded the minimum/maximum
velocity configured with attribute
27 or 28. 0 1 YES W
6 Acceleration
exceeded The acceleration has dropped below/
exceeded the minimum/ maximum
acceleration configured with attribute
32 or 33. 0 1 YES W
7 Position
limits
exceeded The position has dropped below/
exceeded the minimum/maximum
position configured with attribute
22 or 23. YES W
8 Position
error Position error (amplitude error of the
single-turn measurement) 0 1 YES A
1 9 Position
error Position error (amplitude error of the
multi-turn measurement) 0 1 YES A
10 Position
error Position error (vector error Sin² + Cos²
of the single-turn measurement) 0 1 YES A
11 Position
error Position error (vector error Sin² + Cos²
of the multi-turn measurement) 0 1 YES A
12…15 Reserved Reserved Always
0 NO –