Braun RA500 Ramp Power Operation, Operator Input Switches Halt Conditions Several condi

RAMP OPERATION

Ramp Power Operation

Ramp Operating Instructions	Operator Input Switches: The	Halt Conditions: Several condi-
address the required controller	RA500 Ramp electronic controller	tions can cause a normal se-
inputs and the corresponding	provides fully automatic operation	quence to terminate (stop):
ramp functions. Instructions for	of all ramp functions. Ramp func-	• Obstructions (details below)
customer specific display panels	tions can be performed from any	• Customer Interlock signal lost
and interlock options will not be	position the platform assembly	(see Customer Interlock)
addressed due to the bound-	happens to be in at the time the	• Optional platform weight sens-
less variations in application and	operator input switch is activated.	ing pad senses a load equal to
installation of the ramp. Manual	The ramp is protected by a stan-	or greater than 15 kilograms
Operating Instructions are ad-	dard obstruction sensing feature.	(details below)
dressed in the event of power or	One-Touch Operation: In one-	• End of travel reached
equipment failure.		Obstructions: The controller
Before Operating Ramp: Al-	touch mode, the ramp will deploy
	if fully stowed. If the ramp is in	performs obstruction sensing
ways park the vehicle on a level	any other position the ramp will	(see RA500 ramp Terminology:
area, away from vehicle traffic.	stow. The ramp function will con-	Obstruction Sensing) on all stow
Place the vehicle transmission	tinue until the switch is pressed	and deploy movements of the
in “Park” and engage the park or	again (indicating stop immedi-	ramp. The selected obstruction
emergency brake.	ately), the unit reaches the end of	response mode configured in
Customer Interlock: The ramp	travel, or a “halt condition” occurs	the controller during installation,
	(see Halt Conditions).	either immediately stops the pres-
controller requires either a ground	Two-Way Toggle Operation:	ent movement when obstructed,
(-) or (+) signal be supplied, one		or stops and then reverses
of these signals is required but	In two-way toggle mode, there	movement for 1 second. Once an
not both. This signal interlocks	are separate switches for de-	obstruction has halted the ramp,
the ramp functions. If this inter-	ploy and stow functions. One of	the controller automatically resets
lock signal is not present, the	the switches must be pressed	and awaits operator input for
controller will not provide any	and held or locked into position	further operation.
outputs necessary to operate the	(continuous input signal required)	Weight Sensing Pad (optional):
ramp. If the interlock signal is	for the RA500 ramp to oper-
lost during ramp operation, the	ate. The ramp will move in the	The platform can be equipped
platform assembly will stop, and	selected direction until the switch	with a weight sensing pad. This
the controller will not function any	is released (signal interrupted),	optional feature will cause the
further until the interlock signal is	the unit reaches the end of the	ramp not to operate in the event
present once again.	travel, or a “halt condition” occurs	that 15 kilograms or more is on
	(details follow).	the ramp platform.

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