Curtis 1214-/15-/19-8 Manual
APPENDIX A: FEATURES & FUNCTIONS
A-1
APPENDIX A
GLOSSARY OF FEATURES AND FUNCTIONS
Acceleration rate
The acceleration rate is the time required for the controller to increase from 0%
to 100% duty factor. The shape of the acceleration curve is controlled by the
dynamic throttle response, which is linear.
If you have a MultiMode™ controller, the acceleration rates in Mode 1 and
in Mode 2 are independently adjustable via the handheld programmer. If you
have a 1207 controller with the MultiMode™ feature disabled (i.e., a single-
mode controller), you can adjust the acceleration rate mechanically via the
appropriate trimpot located on top of the controller.
Anti-rollback (see Ramp start)
Anti-tiedown
Before enabling Mode 1 operation, the anti-tiedown function checks that the
mode selection switch has been released after the last cycling of the brake switch.
This feature discourages operators from taping or otherwise “tying down” the
mode switch. If Mode 1 is already selected before the brake is released, the
controller remains in Mode 2 until the mode switch is released and pressed again.
For information on how Mode 1 and Mode 2 are selected, see MultiMode™.
Arcless contactor switching
The controller output duty factor is quickly reduced to zero any time a direction
is de-selected, so that the controller current will be reduced to zero before the
direction contactor drops out.
BB (= Belly Button; see Emergency reverse)
Brake/seat switch
This is a controller-enable input connected to the brake on a walkie or to the seat
of a rider. The brake/seat switch must be closed for the controller to operate. This
safety interlock is used on most material handling vehicles.
Cycling the brake/seat switch or KSI clears most faults and enables opera-
tion.
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