Rockwell Automation 1398 F-Series Brushless Servo Motor Manual - Manual (Page 9)

Encoder Data
Encoders are factory aligned and must not be adjusted outside the factory.
Encoder Outputs
Encoder Phase-to-Neutral and Phase-to-Phase Waveforms
ENCODER SPECIFICATIONS
Line Count 2000 (1)
Supply Voltage 5 VDC
Supply Current 250 mA max.
Line Driver 26LS31
Line Driver
Output TTL
Index Pulse F-2000 and F-3000 Series when key faces 180 o ±10 away from the connectors
F-4000, F-6000 and F-8000 Series when key faces the connectors (0 o ±10)
(1) Standard line count before quadrature
1
0
A
B
I
I
B
A
90°±22.5°
ENCODER OUTPUT
WAVEFORMS RESULT FROM CW SHAFT ROTATION
(CLOCKWISE AS VIEWED FACING THE SHAFT EXTENSION)
0°0±20° ABS R-N
S-N
T-N
INDEX
PHASE TO NEUTRAL
HALL A
HALL B
HALL C
R-S
PHASE TO PHASE
NOTE: Hall and ABS signals are in electrical degrees.
For 4 pole commutation, 360° mechanical = 720° electrical.
For 6 pole commutation, 360° mechanical = 1080° electrical.
For 8 pole commutation, 360° mechanical = 1440° electrical