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1) DIFFERENCE BETWEEN POTENTIOMETER VS ENCODER
2) CROSS REFERENCE TABLE: CAB VS PART
3) POT/ENCODER PICTURES & TECHNICAL INFORMATION
1) DIFFERENCE BETWEEN POTENTIOMETER VS ENCODER
There are two type of "Knob" controls used on NCE, SYSTEM ONE and RAMTRAX throttles/Cabs.
POT: This is the control used in many cabs/throttles that support the "POT" or Potentiometer. The "POT" control is easily identified mechanically has have physical stops in it rotation. The left stop is for zero speed and the right stop is for full speed. It is the same type of control used in electronic DC throttles that use a Knob for speed control. It feels like a traditional volume control knob on a stereo system.
ENCODER: This is the control used in many cabs/throttles that support an encoder. The "Encoder" control is easily identified mechanically has having NO physical stops in any direction of rotation.
2) CROSS REFERENCE TABLE: CAB VS PART
Table of Cab vs POT and Encoder Part Numbers.
Throttle
CAB02
WCT-11
CAB04
CAB04P
CAB04E
WCT-31
CAB06
CAB06E
CAB06P
ProCab
MasterCab
Cab01
RMX-02
WCT-02
Make
NCE
Wangrow
NCE
Wangrow
NCE
NCE
Ramtraxx
System One
Picture
POT P/N
(Manufacture)
NOT AVAILABLE
Alpha
3RP/0902NRD10K
Alpha Taiwan
RV09ACF-40-20K-B10K
Call NCE for
Parts.
Same as Cab04
(Bourns)
3310C-101-103L
Right Angle
Same as ProCab
Same as ProCab
ENCODER P/N
(Manufacture)
Same as Cab04P
Call NCE for
Parts.
Same as Cab04
(Bourns)
3315C-001-006L
Right Angle
Same as Procab
Same as Procab
Buy
Mouser/Digikey
Same as Cab04P
Pot:
Mouser P/N: 317-2090F-10K.
Encoder:
Call NCE.
Same as Cab04
Encoder:
Digikey P/N:
3315C-001-006L-ND
Pot:
Digikey P/N:
3310C-101-103L-ND
Same as Procab
Same as Procab
Notes
Rare Cab. NCE and Wangrow version are 100% identical.
Available only in POT format.
Cab04P = POT
Cab04E = ENCODER
Wangrow WCT-31 cab is the same as the first generation Cab04P.
First generation cabs have dip switches in battery compartment that set cab address. They also have a GREEN LED instead of a Red one.
Available in both POT and ENCODER Format.
Some ProCabs
used a 20K ohm POT value. A 10K ohm POT value will work just fine in those cabs.
MasterCab is a ProCab
There is no model designation to tell you if the throttle has a ENCODER or POT for the thumbwheel. Only early production units has POT controls installed. NCE later standardized on the ENCODER for all ProCabs.
Ramtrax is out of business. Cab was only offered in the first generation design. Licensed the design from Wangrow.
Wangrow is out of business. Cab was only offered in the first generation design.
3) POT/ENCODER PICTURES & TECHNICAL INFORMATION
3a) PROCAB, POWERCAB, MASTERCAB, CAB01
PICTURE: Bourns 3310C POT & 3315C Encoder, Right Angle (Picture does not show flatted shaft)
RIGHT ANGLE DATASHEET/DRAWING INFORMATION:
http://www.bourns.com/data/global/pdfs/3310.pdf For Potentiometer
http://www.bourns.com/data/global/pdfs/3315.pdf For Encoder
EXAMPLE OF READING THE PART NUMBERS ON THE PARTS:
Printed on the side of the part are some numbers like this:
811M Mexico
3310C 103
This only tells you it is a 3310 series potentiometer, right angle (C), resistance value is 10K (103).
Looking at the datasheet for the part while going over it with a visual inspection would show that it has a flatted shaft, 12.7mm shaft length and 6.35mm Bushing. (101) The full part number would be 3310C-101-103L.
3b) CAB04P, CAB04E, CAB06E, CAB06P
1) LEFT PICTURE: Potentiometer (POT), Alpha
2) RIGHT PICTURE:
Potentiometer Datasheets
http://www.taiwanalpha.com.tw/english/p_e_27.htm For Potentiometer Alpha RV09ACF-40-20K-B10K 10K Ohm linear. Color varies.
http://www.alphapotentiometers.net/html/9mm_pot_4.html For Potentiometer Alpha 3RP/0902NRD1B10K 10K Ohm linear. Color varies.
Printed on the side of the part are some numbers like this: B10K
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