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ELX3351-0090 | 1-channel analog input terminal strain gauge, Ex i, TwinSAFE SC

ELX3351-0090 | 1-channel analog input terminal strain gauge, Ex i, TwinSAFE SC

ELX3351-0090 | 1-channel analog input terminal strain gauge, Ex i, TwinSAFE SC

Run LED
Measure
Error LED
Self calibration
Power contact
+24 V EX
Power contact
0 V EX
+UD
+UR
+UV
-UD
-UR
-UV
Top view 
ELX3351-0090 | 1-channel analog input terminal strain gauge, Ex i, TwinSAFE SC

ELX3351-0090 | 1-channel analog input terminal strain gauge, Ex i, TwinSAFE SC

TwinSAFE SC: Making standard signals usable for safety tasks

TwinSAFE SC: Making standard signals usable for safety tasks

The analog ELX3351-0090 input terminal enables direct connection of a resistor bridge or load cell from hazardous areas, Zone 0/20 and 1/21. The terminal can be connected in 4- or 6-wire technology. The ratio between the bridge voltage UD and the supply voltage UR is determined in 16-bit resolution, and the load value is calculated as a process value. Apart from automatic self-calibration (can be deactivated), additional functions such as Tara and Freeze as well as dynamic filters are integrated.

With the aid of the TwinSAFE SC technology (TwinSAFE Single Channel) it is possible to make use of standard signals for safety tasks in any network or fieldbus. To do this, EtherCAT I/Os from the areas of analog input, position measurement or communication (4…20 mA, incremental encoder, IO-Link, etc.) are extended by the TwinSAFE SC function. The properties typical for the signals and the standard functions of the I/O components are retained. TwinSAFE SC I/Os differ optically from standard I/Os by a yellow stripe on the front of the housing.

The TwinSAFE SC technology enables communication via a TwinSAFE protocol. These connections can be distinguished from the usual secure communication via Safety over EtherCAT.

The data from the TwinSAFE SC components is fed via a TwinSAFE protocol to the TwinSAFE Logic, where it can be used in the context of safety-relevant applications. Detailed examples confirmed/calculated by the TÜV SÜD for the correct application of the TwinSAFE SC components and the respective normative classifications can be found in the TwinSAFE application manual.

Product status:

Regular delivery

Product information

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