Rockwell Automation 1398 N-Series Brushless Servo Motor Manual - Manual (Page 7)

Encoder Data
Encoders are factory aligned and must not be adjusted outside the factory.
Encoder Outputs
ENCODER SPECIFICATIONS
N-2300 N-3400, N-4200 and N-5600
Line Count 1000 (1) (2) 2000 (1)
Supply Voltage 5 VDC 5 VDC
Supply Current 175 mA max. 300 mA max.
Line Driver LM339 26LS31
Line Driver Output TTL A, B, I signals: Logic 1 =2.5 VDC min @ 20 mA DC source,
Logic 0 = 0.5 VDC max @ 20 mA DC sink.
HALL signals: Logic 1 = 3.5 VDC min @ 1mA DC source,
Logic 0 = 0.5 VDC max @ 5mA DC sink.
Index Pulse Refer to diagrams below
(No key for physical reference) When facing the motor, the key is oriented 90 o ±10 clockwise
(mechanical) from connectors
(1) Standard line count before quadrature.
(2) N-2300 encoder does not have Absolute Signal (ABS)
A+
A-
B+
B-
I+
I-
Logic 1
Logic 0
90 o +45 o
Index Alignment Reference
360 o
2.5 VDC min
0.5 VDC max A+
A-
B+
B-
I+
I-
360 o Logic 1
Logic 0
90 o +45 o
Index Alignment Reference
90 o +45 o Gated Index
2.5 VDC min
0.5 VDC max
N-2300 Encoder Output N-3400, 4200 and 5600 Encoder Output
360 o