Leica CM3050 S, Service Manual

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Chapter 3
Service Manual / Leica CM3050 S Page 48 Version 1.0 12/00
© Leica Microsystems
Specifications
3.12.1 Stepper motor control
Unit Model Single Shaft CSK 545 - NATE
Double Shaft CSK 545 - NBTE
Motor Model Single Shaft PK 545 - NA
Double Shaft PK 545 - NB
Maximum Holding Torque (N x m) 2,4
(oz - in) 33
Rotor Inertia (kg x m2) 68 x 10-7
(oz - in2) 0,37
Resistance Per Phase (Ohm/phase) 2,8
Mass (kg) 0,35
(oz) 12,4
Step Angle 0,72
Insulation Resistance 100MOhm or more under normal ambient
temperature and humidity when the
megger reading between the windings
and the frame is DC500V.
Dielectric Strengh Under normal ambient temperature and
humidity, sufficent to withstand 1kV at
50Hz applied between the windings and
the frame for one minute following a
period of continuous operation.
Insulation Class Class B (130°C)
Driver Model CSD5807N - T
Voltage 24V DC +/- 10%
1,3A maximum
Output Current 0,1 0,75A / phase
Excitation Mode Full step: 0,72° / step
Half step: 0,36° / step
Pulse Input 1 - pulse input
Photocoupler input
Input Impedance 220Ohm, Input current
20mA maximum
Pulse width 5
m
sec. minimum, Pulse
rise / pulse fall time 2
m
sec. maximum
L: 0 0,5V, H: 4 5V
All Windings Off input Photocoupler input
Input Impedance 220Ohm, Input current
20mA maximum
Full / Half Step input L: 0 0,5V, H: 4 5V
Motor Unit
Driver Unit
Input / Output Signals