Specifications

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 5V (±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)