Landice 8700 manual Belt-Relay

68

Reed Switch

A read switch mounted on the display board shall be used to detect the presence of a magnet attached to a safety lanyard. In the event the magnet is removed. The four-digit display shall read "SAFE" and power to be removed from all relays.

Mechanical Buttons.

(6)Mechanical buttons identical to the one on the sample display board shall be used to input

ON/OFF INCREASE SPEED DECREASE SPEED ELEVATION UP ELEVATION DOWN SCAN DISPLAY

On Board Displays

(2) 7 segment speed display (same as on existing board)

(4)7 segment multiplex display (Time, Distance, Elevation, Calories)

(4)Green LEDs to indicate which mode the multiplexed display is in.

Display Board Inputs:
+9VDC unregulated	(600mA total power for entire system including relays)

Ground

Elevation Grade Pot Sense - Analog input

Speed Sense - Digital Input

Display Board Outputs

+6VDC Relay Power - Powers (3) JA1A-DC6V relays (maximum 2 on at time) +5VDC Grade Pot Power, Speed Sensor Power - Protected from intermittent

shorts.

BELT-RELAY	Connected to coil of JA1A-DC6V relay
UP-RELAY	Connected to coil of JA1A--DC6V relay
DOWN-RELAY	Connected to coil of JA1A-DC6V relay
Speed Control	(digital pulse train - current loop)