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DISCUSSION FORUMS : Forkliftaction.communicate
Forum: Technical arena
Discussion:  curtis 1204-015 with ET-103
Number of messages: 15
START MESSAGE:
felipe
Santiago, Chile 		hello
I have a curtis 1204-015, it works fine with potentiometer 0-5K
I need install this controller in a transpalet (forward and reverse)then I need 5k-0-5k.
The trick with 20k potentiometer not work because it's 0-5k-0
I purchased electronic throttle ET-103 but not work.
curtis datasheet say "curtis electronic throttle (ET series) with a controller having the optional 0-5v throttle input."
my questions
Which series 1204 controllers work with the ET-103 accelerators?
it's possible 5k-0-5k with potentiometer? which?
thanks

sorry for my english but I don't write english

Posted 20 May 2009 01:11 PM Reply  Report this message
REPLIES: Sort replies by
powerlifter
united kingdom, United Kingdom 		Hi Filipe
If you send me your email i will send the info you require in pdf so you have the full spec and wiring diagram.....

-------------------------
A good engineer is a helpful engineer

Posted 21 May 2009 05:55 AM Reply  Report this message
felipe
Santiago, Chile 		Hi
thanks for your answer
my email: fh  @  tie.cl
Modified 21 May 2009 06:06 AM
by poster. 		Reply  Report this message
powerlifter
united kingdom, United Kingdom 		Hi Felipe iv tried to send you the info but its been returned is the email showing correct on the page?

-------------------------
A good engineer is a helpful engineer

Posted 21 May 2009 06:49 AM Reply  Report this message
felipe
Santiago, Chile 		ops
please send me to felipehoffmann in yhaoo.com
thanks

I have curtis 1204 manual, I conected same wiring but not works.
controller works ok with potentiometer
throttle works ok  (0 to 5 v)  
the curtis datasheet say "a 4-terminal center-tapped 10k ohm...."
do you know this?
thanks

[url/email removed]

Modified 22 May 2009 04:35 AM
by poster. 		Reply  Report this message
controlelectric
Shropshire, United Kingdom 		Hi Felipe
A 10k 4 terminal pot is the same as a 3 terminal pot but  it has an extra terminal connected to the 5k point (the centre or mid point), the 2 outside terminals are connected together (these are the 2 terminals that on a 3 terminal that are not the wiper), then from the centre point you will get zero Ohms
to 5k Ohms  which ever way you turn it. These potentiometers are not very common these days, Curtis instruments may be able to supply you one but you should be able to use the Et-103 throttle Assembly to work with it, and it will also do the job of your direction switch.
Are you getting any output from the ET-103?
Shane

                                    
                                    
                                    
                                    
                                    
                    
                                    
                                    

Posted 22 May 2009 07:57 AM Reply  Report this message
felipe
Santiago, Chile 		Hi Shane
yes
the ET-103 supply from 0v to 5v (black cable)
I conected this cable to controller's pin 3.
I conected:
pin 1 (KSI) = bat+
pin 2 (throttle input) = nothing
pin 3 (throttle input) = ET-103's black cable)
Posted 22 May 2009 08:26 AM Reply  Report this message
controlelectric
Shropshire, United Kingdom 		Hi Felipe
When you connect the pot do you connect it to pin 2 and 3 if so you may need to connect the Wht/brn or Orange wire from the ET-103  to pin 2 (pot low) of the controller to get it to work. As I am at home I haven't got any info with me but I will look for you tomorrow.

Posted 22 May 2009 08:46 AM Reply  Report this message
felipe
Santiago, Chile 		Hi
I tested this conection but not works
I conected:
pin 1 (KSI) = bat+
pin 2 (throttle input) = ET-103's orange cable (Pot Lo)
pin 3 (throttle input) = ET-103's black cable

no test Wht/brn because this cable is Battery -
thanks

Posted 23 May 2009 08:24 AM Reply  Report this message
controlelectric
Shropshire, United Kingdom 		Hi Felipe,
I don't see many of that type of Curtis controller these days and I have looked and I don't have any info on how to connect an ET-103 to a 1204 (with two pot connections). With the 1204 with one pot  connection,  the two terminals on the pot  are connected to pin 2 (pot input) and battery negative, and if you use an ET-103, the ET-103 output is connected to pin 2. But with a 1204 with 2 pot connections (pot input and pot low) the two pot terminals are connected to pot low and pot input and if you connect a pot to pot input and negative instead or pot low the controller will not work which is what you are trying to do with the ET-103 (I think you have to use both pot terminals) you could try putting a negative to pot low if that doesn't work you can get in touch with Curtis Instrument they are quite helpful, unless anyone else has any ideas.
Shane

Posted 27 May 2009 03:42 AM Reply  Report this message
controlelectric
Shropshire, United Kingdom 		Are the contactors closing?

Posted 27 May 2009 03:46 AM Reply  Report this message
felipe
Santiago, Chile 		hi
yes contactors closing
now partial works
with
pin 1 (KSI) = bat+
pin 2 (throttle input) = ET-103's black cable)
pin 3 (throttle input) = nothing

and turning minipotentiometers of throttle
partial work because not full voltaje
with potentiometer pin2 go from 4v to 9v
with et-103 pin2 go from 4v to 8v
Posted 28 May 2009 01:04 AM Reply  Report this message
controlelectric
Shropshire, United Kingdom 		Hi Felipe,
That's good news.
You can alter the output voltage by adjusting the small trimmer screw on the ET-103, that might get you full speed from your unit.
Shane

Posted 28 May 2009 02:08 AM Reply  Report this message
felipe
Santiago, Chile 		Hi Shane
yes I can ajusted
one small pot for intial voltaje
the other small pot for full voltaje (I fixed in max limit)
I think the motor works 90% of the full speed
thank you for help me

Posted 29 May 2009 02:39 AM Reply  Report this message
controlelectric
Shropshire, United Kingdom 		No problem always happy to help
Shane

Posted 29 May 2009 04:32 AM Reply  Report this message


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