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Extension Board IK1R

system components for rotary encoders WV58MR and WH58MR

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The PURE.MOBILE extension board IK1R is a redundant safety single-axis inclination sensor, which has been specially developed for use in mobile machines. It can be used in safety-critical applications – up to performance level PLd. PURE.MOBILE extension board s can easily expand the range of functions of the desired rotary encoder. In addition to its known functions such as position and speed measurement, the rotary encoder is enhanced by additional useful functions.

Profile IK1R:

redundant single-axis inclination sensor 0 ... 360°
MEMS capacitive measurement principle
Suitable for applications up to Performance Level PLd
temperature-compensated from -40 … 85° C
simple function enhancement

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Technical data

Electrical data

Feature	Technical data	Additional information
Temperature drift	≤0.02 °/K
	typical 0.008 °/K
Interface	according to ISO 11898-1/2, not electrically isolated	CANopen, CiA 301, CiA 305, CiA 410
	according to ISO 11898-1/2, not electrically isolated	CANopen Safety, CiA 301, CiA 305, CiA 410, EN 50325-5
Address	1 … 127	node ID, via SDO or Layer Setting Service (LSS)
Baud rate	20 kbit/s
	50 kbit/s
	125 kbit/s
	250 kbit/s
	500 kbit/s
	800 kbit/s
	1 Mbit/s
Cut-off frequency	0.1 … 20 Hz	freely parameterizable
Parameter	according to CiA 301, CiA 305, CiA 410, EN 50325-5	CANopen Safety
	according to CiA 301, CiA 305, CiA 410	CANopen

System data

Feature	Technical data	Additional information
Scanning	MEMS
Resolution	0.01°
System accuracy	±0.2°	at 20° C
	±0.8°	over the entire temperature and max. measuring ranges
Measuring range	0 … 360°	1 axis, parameterizable
	±180°	1 axis, freely parameterizable

Characteristics of functional safety

Feature	Technical data	Additional information
MTTFd	570 year(s)	at 60° C per channel
PFHd	201 FIT	at 60° C according to DIN/EN 61508 Part 6, Ed. 2, 1 FIT = 1.0 E-09 1/h
DCavg	74 %	at 60° C according to ISO 13849-1, Appendix E.2