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EL5001, EL5002 | SSI encoder interfaces

The EL5001 SSI interface EtherCAT Terminal allows an SSI encoder to be connected directly, whereas the EL5002 2-channel SSI interface EtherCAT Terminal allows the direct connection of two SSI encoders. The interface circuit generates a pulse for reading the encoder and makes the incoming data stream available to the controller as a data word in the process image. Various operating modes, transmission frequencies and bit widths can be permanently stored in a control register.


Technical data EL5001 | ES5001 EL5002 | ES5002
Technology SSI encoder interface
Number of channels 1 2
Encoder connection binary input: D+, D-, binary output: Cl+, Cl-
Distributed clocks yes
Signal output (pulse) difference signal (RS422)
Signal input (data) difference signal (RS422)
Power supply 24 V via power contacts
Current consumption typ. 20 mA without encoder
Current consumption power contacts typ. 20 mA
Encoder supply 24 V DC via power contacts external e.g. EL91xx
Data transfer rates variable up to 1 MHz, 250 kHz default
Serial input 24 bit width (variable)
Data direction read
Electrical isolation 500 V (E-bus/field potential)
Current consumption E-bus typ. 120 mA typ. 190 mA
Bit width in the process image 1 x 32 bit input, 8 bit status 2 x 32 bit input, 16 bit status
Special features adjustable baud rate, coding and data length
Weight approx. 55 g
Operating/storage temperature 0…+55 °C/-25…+85 °C
Relative humidity 95 %, no condensation
Vibration/shock resistance conforms to EN 60068-2-6/EN 60068-2-27/29
EMC immunity/emission conforms to EN 61000-6-2/EN 61000-6-4
Protect. class/installation pos. IP 20/variable
Pluggable wiring for all ESxxxx terminals
Approvals CE, UL, Ex

Special terminals  
EL5001-0011 SSI monitor terminal, no clock output (simply listening)