The new NKN and NBN series of inclinometers contain either one or two sensor channels to detect angular movements within one or two axis to be chosen out of three degrees of freedom (x,y,z). Both channels have identical output interfaces for direct connection to the CANopen bus.
The two-channel version represents a redundant system with the nodes 1 and 2. In the first instance node 1 sends its data. By implementing the CANopen Safety protocol to CiA DS 304, Version 1.0.1 the device will conform to SIL2 (Safety Integrated Level) IEC 51508 which is required for application within many engineering equipment. The devices can also be supplied with analogue output signals, e.g. 0(4) to 20 mA or ± 10 VDC.
Two mechanical configurations of the inclinometer are available. Model NKN is a square shaped PCB measuring 55 by 55 mm. Model NBN is a transducer unit with a robust aluminum or stainless steel case and one or two connectors for serial connection with other CANopen devices. The measurement span of both items is
± 90° maximum. It can be programmed to unsymmetrical deflections, i.e. to +30°/-90°. Technical report: (PRA 11990 - Data sheets: NBX 11918, NKX 11874).
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