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Heden motors with Preston mdr1/hu1


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#1 richard bellon

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Posted 27 May 2014 - 01:11 PM

Hi all

Can u use heden motors with prwston hu1/mdr1?
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#2 Jens Piotrowski SOC

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Posted 27 May 2014 - 01:40 PM

The digital ones, yes. 26ve or 21ve
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#3 richard bellon

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Posted 27 May 2014 - 02:57 PM

Ok, tx
I woulda thought that my m28-vp and m26p would've worked
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#4 Tom Wills

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Posted 27 May 2014 - 04:08 PM

No, the "P" series motors are analog and use a potentiometer to read out position data. The "E" series uses an encoder, and is digital. All Preston systems (save for the Micro Servo, a long long discontinued product) use digital motors.
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#5 Peter Hoare

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Posted 28 May 2014 - 08:40 AM

The basic rule is, if it has a Lemo 1B 7 pin on the motor, it will probably work. This rule must be ignored in the case of the Tilta motors, as they have copied the industry standard connector, but have their own pinouts and control systems so the motors won't work with normal digital controls, although they do look like they should. 


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#6 Daniel Stilling DFF

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Posted 28 May 2014 - 01:03 PM

I have that setup. Works beautifully!


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#7 JimBartell

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Posted 28 May 2014 - 07:36 PM

The basic rule is, if it has a Lemo 1B 7 pin on the motor, it will probably work. This rule must be ignored in the case of the Tilta motors, as they have copied the industry standard connector, but have their own pinouts and control systems so the motors won't work with normal digital controls, although they do look like they should. 

It's also not true in the case of the Heden M26PT or M28VPT combo analog zoom/focus motors which use the same Lemo 1B 7 pin connector but have both analog potentiometer and tachometer so they can be used as zoom or focus motor.


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