Stepper Specifications

For general specifications on the RMC, see RMC100 Specifications.

Encoder

Axes

Two per module

Encoder Inputs

RS422 differential receiver
Quadrature A, B, and Index Z

ESD Protection

15 kV

Max. Encoder Frequency

4,000,000 counts/second

Index (Z) Response Time

63 nanoseconds

Inputs and Outputs

Fault Inputs, Home Inputs, and Limit Inputs
(Ext. & Ret.)

2.7 V @ 2.8 mA typical (3.2 V @ 3.5 mA max) threshold, 26.4 V maximum input voltage, 500 VDC isolation, compatible with most limit switches, TTL, and CMOS outputs

Drive Enable Output
(1 per axis)

Solid State relay, 50 W, 30 V, 100 mA
500 VDC isolation

Vcc Out

5 V ±20% @ 50 mA for use with Step, Direction, and Enable outputs. DO NOT power encoders with this output. See Stepper Wiring for details.

Motor Interface

Step and Direction Outputs

RS422 (5 V differential)

Pulse Width

50% duty cycle ± 80 nanoseconds

Max. Output Frequency

1 MHz

Direction Change Delays

Hold time = 16 us

Setup time = 112 us plus half step period

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See also:

Stepper Overview

Stepper Wiring

Stepper Configuration

Stepper LED Indicators

Stepper Scaling

Stepper Compensation

Homing

 


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