ABB KB2 Fiber-Optic Sheet Break Detector - Paper Mill Web Break Monitoring Spare Parts
ABB KB2 Fiber-Optic Sheet Break Detector - Paper Mill Web Break Monitoring Spare Parts
Non-contact optical measurement
The KB2 fiber optic sheet break detection system is designed to monitor sheet breaks in harsh environments. It has been proven with hundreds of installations around the world. The non-contact sensor is placed above or under the web to be monitored.
KB2 is suitable for dirt, steam, and high-temperature installations or where space is limited. The air purged sensor head stays clean and is not affected by dirt, steam, or high temperatures.
RGB Color and IR measurement
The KB2 has both RGB and infrared light sources to perform well with all paper and board grades and applications regardless of colors. The RGB color measurement can handle all sheet, wire, and felt colors, providing reliable break detection. In addition to open-draw applications, the breaks can be detected against felt, wire, or even against a cylinder.
Fast break detection
The KB2’s digital signal processing technology measures all signals a thousand times per second. KB2 is immune to ambient light changes by measuring the backlight intensity. The break detection delay is a minimum of 15ms - with digital filtration, the user can select how many measurement cycles are used for the break alarm.
Easy to set up
The KB2 Display Unit’s large display and logical user interface allow easy setup of the break detection by selecting the measurements that give the highest signal difference. Break and maintenance alarms are wired to the PLC or DCS. KB2 has optional color measurement PC software for monitoring and includes a data collection feature. 4-20 mA current outputs for the signal levels are available as an option.
Electronics located in a harsh environment
KB2 is very reliable even in a 100% humidity environment. While the sensor head is exposed to high temperatures, the electronics unit is mounted outside the machine hood to a convenient location using a fiber optic cable. Fiber optics is available in lengths of 6, 9, and 12 meters.
