The 6602 is a wind speed alarm unit. It is suitable for use with any wind sensor with NPN output. It provides 10 V supply for the sensor. There are two independent 250 V 2 A alarm relays, and a watchdog output that gives a pulse at one minute interval. The unit is equipped with a 8x2 character liquid crystal display for monitoring the operation. The current wind speed is shown in user selectable measurement units, alongside the states of the alarms. The configuration is performed using a PC software with a special programming cable, or using 6790 hand-held programmer. The alarm unit is mounted in a 35 mm DIN rail and needs 230 VAC supply.
