ST151 – Stepper Motor Output Stage

  • +50 V DC/5 A continuous current
  • Full step, half step and micro step (up to 64x)
  • 1 brake chopper
  • 1 incremental encoder input RS485/TTL switchable
  • 2 enable inputs with STO function
  • 2 latch / digital input for the reference profile and for monitoring the end positions

Ingressi digitali

Type Latch/Digital Input
Number 2
Input voltage +24 V DC (+18-30 V DC)
Input current 3.7 mA at +24 V DC
Input delay typically 10 µs

Ingressi digitali

Type Enable
Number 2
Input voltage +24 V DC
Input current 3 mA at +24 V
Input delay typically 0.5 ms

Incremental Encoder Input

Number 1
Input signals Incremental encoder signal RS422 (A, /A, B, /B, R, /R)

RS422 signal (150 Ω termination)

Incremental encoder signal TTL (A, B, R)

TTL signal (1200 Ω Pull-Up)

Input frequency maximum 125 kHz
Counter frequency maximum 500 kHz
Resolution 16 bits
Signal analysis 4-port
Power supply +5 V DC/0.2 A short-circuit proof

Motor Output

Number 1
Supply voltage +18-55 V DC
Current maximum 6 A (load-dependent)
Output voltage depending on the supply (+18-55 V DC)
Output current maximum 5 A RMS
Step resolution full step, half step, 4-/8-/16-/32-/64x micro step
Voltage measurement +15-70 V DC
Temperature measurement 0-125 °C

Regen Resistor

Output GND-switching
Max. Current 6 A

Caratteristiche meccaniche

Dimensions 25 x 103.5 x 72 mm (W x H x D)
Protection type IP20

Numero articolo / certificazione

Article number 20-014-151
Standardization/­certification UL 61800-5-1 (E336350)

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