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Functional description
For subsystems fitted with motorized field size adjustment only
4.6.4
Stepper motor interface
The 15-pin D-SUB male connector is used to operate the stepper motor for motorized field
size adjustment.
PIN
Signal
1
I
2
I
I
3
I
4
15 PIN
D-SUB
5
6
O
7
O
8
I
I = Input, nc = not connected, O = Output
Specifications
Sensor Output
Output high
VSS - (≤ 3V)
Current low
max. 50mA
Current high
max. 100mA
Stepper motor and sensors
Manufacturer: Phytron
MN025 / v2.1.0
-Motor W3
(yellow)
-Motor W1
(brown)
-Motor W4
(purple)
-Motor W2
(green)
nc
SENSOR CENTER
SENSOR RIGHT
VSS (+24V)
PIN
Signal
9
I
+Motor W3
10
I
+Motor W1
I
11
+Motor W4
I
12
+Motor W2
13
nc
14
O SENSOR LEFT
15
I
GND
---
3-Axis Subsystems for Laser Beam Deflection
Chapter 4
(black)
(red)
(blue)
(white)
Fig. 14
Stepper motor
and sensors,
schematic view
31
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