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ServoStep Motor ST342 Series

 DESCRIPTION  UNITS  ST342
  Power Input VDC 20 - 80 (max)

 Environment Operating Temperature °F (°C) 32 to 158
(0 to 70)
Enclosure Rating (approximate) IP40
Storage Temperature °F (°C) -4 to 185
(-20 to 85)
Humidity (non-condensing) % 0 to 80

 Performance Peak Torque (Tp) oz-in (N-m) 789 (5.60)
Continuous Torque (Tc) oz-in (N-m) 729 (5.16)
No Load Speed RPM 1600
Nominal Power HP (kW) 0.16 (0.12)
Servo Update Hz 4069
PWM Frequency kHz 33.3
Encoder Type Incremental VDC
Resolution ppr (post-quad) 8000
Memory Volatile kRAM 32
Non-volatile kRAM 28

 Motor Commutation 6-step Trapezoidal
Torque Constant (Kt) oz-in/Amp
(N-m/Amp)
NA
Rotor Inertia (Jm) oz-in-s2
(10-5kg-m2)
0.0481 (34.00)
Insulation Class B
Number of Poles (Np) NA
Winding Resistance (R) Ohms 1.12

 Input/
 Output
Number ( Type) 5VDC TTL

Input

Digital 5VDC TTL sinking
Analog Sinking input,10 bit
Output Sourcing mA 5
Sinking mA 10
Encoder/Step Input Freq. MHz 1

 Communications Type RS485; Serial (ASCII)
Speed KBaud 2.4 to 38.4

 Physical Radial Load lbs (kg) 15 (6.8)
Axial Thrust Load lbs (kg) 3 (1.4)
Width in (mm) 3.38 (85.9)
Length in (mm) 6.5 (165)
Weight (Wt) lbs (kg) 9.68 (4.39)
Shaft Diameter* in (mm) 0.5(12.7)
Pilot Diameter* in (mm) 2.874 (73)
Bolt Circle Diameter in (mm) 3.876 (98.5)

Performance spec based on PS75V6A-OF

Note: check tolerance in drawings

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