MN1957
Specifications 7-3
www.baldormotion.com
7.1.7 Stepper control outputs
Models NSB202... / NSB204...
Models NSB203... / NSB205...
7.1.8 Encoder inputs
7.1.9 Serial RS232/RS485 port
Description
Unit
Value
Output type
RS422 (differential)
step (pulse) and direction
Maximum output frequency
kHz
500
Output current
Maximum, per output pair
mA
20
Description
Unit
Value
Output type
Open collector step (pulse) and direction
Maximum output frequency
kHz
500
Output current
Maximum sink, per output
mA
50
Description
Unit
Value
Encoder input
RS422 A/B Differential, Z index
Maximum input frequency
MHz
10
(quadrature)
Output power supply to encoders
5 V
(±5%)
250 mA (per encoder)
Maximum allowable cable length
30.5 m
(100 ft)
Description
Unit
Value
Signal
RS232 non-isolated CTS/RTS or RS485
non-isolated
(model dependent)
Bit rates
baud
9600, 19200, 38400,
57600 (default), 115200 (RS232 only)
Servo Systems Co. • 115 Main Road • P.O. Box 97 • Montville, NJ,
07045-0097 • (973) 335-1007 • Toll Free: (800) 922-1103
Fax: (973) 335-1661 • www.servosystems.com