Okuma Alarm-B 2691 MCS Rotary encoder 1 error
Illegal data was detected in Rotary encoder 1.
Object
Axis
Character-string
None
Code
XXYYZZZZ
XX= Rotary encoder status
bit7 alarm
bit6 communication error
8X The output amplitude is normal.
9X Output amplitude smallness
AX Output amplitude bigness
BX Output amplitude too small
bit6 communication error
8X The output amplitude is normal.
9X Output amplitude smallness
AX Output amplitude bigness
BX Output amplitude too small
YY= Rotary encoder alarm code
00 Unstart
01 Stop command stop
02 The control parameter is illegal.
0E Synchronous mistake
0F The excitation output is illegal.
11 B face Ad offset Voltage decrease
12 A face AD offset voltage decrease
13 A and B face AD offset voltage decrease
15 B face AD offset voltage decrease
16 A face Ad offset voltage rise
17 A and B face AD offset voltage rise
25 B face signal amplitude is excessive
26 A face signal amplitude is excessive
27 A and B face signal amplitude is excessive.
29 The signal amplitude is underestimates.
2D B face signal amplitude is underestimates.
2E A and signal amplitude is underestimates.
2F A and B face signal amplitude is underestimates.
80-FF CPU illegal
01 Stop command stop
02 The control parameter is illegal.
0E Synchronous mistake
0F The excitation output is illegal.
11 B face Ad offset Voltage decrease
12 A face AD offset voltage decrease
13 A and B face AD offset voltage decrease
15 B face AD offset voltage decrease
16 A face Ad offset voltage rise
17 A and B face AD offset voltage rise
25 B face signal amplitude is excessive
26 A face signal amplitude is excessive
27 A and B face signal amplitude is excessive.
29 The signal amplitude is underestimates.
2D B face signal amplitude is underestimates.
2E A and signal amplitude is underestimates.
2F A and B face signal amplitude is underestimates.
80-FF CPU illegal
ZZZZ= Rotary encoder position data
Positional data of each pitch
Probable Faulty Locations
Rotary encoder 1
Corrective Action
Change Rotary encoder 1