maxon motor
12
maxon motor control
1-Q-EC Amplifier DEC Module 50/5
Operating Instructions
April 2015 Edition / document number 1094861_PDF_E - 05 / subject to change
5.2 Outputs
5.2.1 +5 VDC output voltage «
V
CC
Hall»
An internal auxiliary voltage of +5 VDC is provided for:
Ö
Hall sensor supply voltage «V
CC
Hall»
Ö
For external set value potentiometer (recommended value: 10 k
Ω
)
Ö
Gating the signals: «Enable» and «Direction»
The output is protected against continuous short circuit.
+5 VDC output voltage
Pin number [11] «V
CC
Hall»
Referenced to Ground
Pin number [14] «Gnd»
Output voltage
+5 VDC ± 5 %
Max. output current
35 mA
5.2.2 Motor speed monitor «Monitor n»
The «Monitor n» output gives information on the actual speed of the motor
shaft. The actual speed is available as a digital frequency signal (High/Low).
The output «Monitor n» is protected against continuous short circuit.
Motor speed monitor
Pin number [18] «Monitor n»
Output voltage range
0 ... +5 V
Output impedance
47 k
Ω
Known values
Ö
Number of pole pairs of motor z
pol
Ö
Frequency at «Monitor n» output [Hz] respectively Speed n [rpm]
Sought value
Ö
Frequency at «Monitor n» [Hz]
Sought value
Ö
Speed n [rpm]
Solution
> @
Hz
z
n
f
pol
n
Monitor
20
Solution
>
@
1
min
20
pol
n
Monitor
z
f
n
