Seeking Ezgo curtis 1260AC-5350 manual

dougs_huntingcart · 02-07-2016, 02:46 PM

See picture . What is main pwm? This is value sitting still.

The em brake pwm is usually >20% of main pwm when moving under a varying of conditions.

cgtech · 02-08-2016, 01:49 AM

The controller is programmed to use a specific voltage to "pull-in" (initial closing) the main contactor, EM (motor) brake, brake light relay, and everything that uses energy the same way a solenoid does. After "pull-in", which requires the most voltage, it reduces "holding" voltage to reduce heat load in the coil. This does not result in a "part way closed" condition, if that might have been your next question.

dougs_huntingcart · 02-08-2016, 11:37 AM

Quote:

Originally Posted by cgtech

The controller is programmed to use a specific voltage to "pull-in" (initial closing) the main contactor, EM (motor) brake, brake light relay, and everything that uses energy the same way a solenoid does. After "pull-in", which requires the most voltage, it reduces "holding" voltage to reduce heat load in the coil. This does not result in a "part way closed" condition, if that might have been your next question.

Ok. There's got to be an output that I can add to the plotter to identify what could be sending a signal to the brake under these intermittent circumstances.

Again, I don't receive any errors. During my troubleshooting of the issue, I replaced the brake and throttle sensors (at the pedals).

dougs_huntingcart · 02-09-2016, 10:02 AM

Quote:

Originally Posted by dougs_huntingcart

Ok. There's got to be an output that I can add to the plotter to identify what could be sending a signal to the brake under these intermittent circumstances.

Again, I don't receive any errors. During my troubleshooting of the issue, I replaced the brake and throttle sensors (at the pedals).

Checking in if someone has further thoughts regarding how to diagnose this problem.

cgtech · 02-09-2016, 11:54 AM

The motor brake is a "parking brake" only, not to slow down when brake pedal is pressed (unless pressed to floor, panic-stop). It requires power to Unlock it, take the power away & it locks

02-07-2016, 02:46 PM	#11
dougs_huntingcart Gone Wild Join Date: Oct 2012 Location: Canyon Lake, TX Posts: 628	Re: Seeking Ezgo curtis 1260AC-5350 manual See picture . What is main pwm? This is value sitting still. The em brake pwm is usually >20% of main pwm when moving under a varying of conditions.

02-08-2016, 01:49 AM	#12
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: Seeking Ezgo curtis 1260AC-5350 manual The controller is programmed to use a specific voltage to "pull-in" (initial closing) the main contactor, EM (motor) brake, brake light relay, and everything that uses energy the same way a solenoid does. After "pull-in", which requires the most voltage, it reduces "holding" voltage to reduce heat load in the coil. This does not result in a "part way closed" condition, if that might have been your next question.

02-09-2016, 11:54 AM	#15
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: Seeking Ezgo curtis 1260AC-5350 manual The motor brake is a "parking brake" only, not to slow down when brake pedal is pressed (unless pressed to floor, panic-stop). It requires power to Unlock it, take the power away & it locks

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