Interfaces - ELGO Electronic EMAX-HI Series Operating Manual

Magnetic absolute length measuring system
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6.4

Interfaces

6.4.1
SSI (Interface Option SB0 and SG0)
If the clock is not interrupted for the time Tm-T/2 (output of further 25 periods), the shift register clocks once
again the same data value (error recognition in evaluation).
Some encoders contain a Power Failure Bit (PFB):
With EMAX-HI the PFB is always „low".
Figure6 Interface SSI
Figure 6: Interface SSI
6.4.2
CANopen (Interface Option CA0)
When ordering option CA0, the EMAX-HI measuring system is equipped with a CAN interface
according to CANopen standard DS406.
The following identifiers are given:
CAN - Identifier
(4 Byte telegram)
181 (16)
4 bytes
Baud rate
LSB
xxh
xxh
xxh
ABS-Position
Figure 7: Interface CAN
Available CAN options and further information about the DS406 device profile can be found in the down-
loadable XDD file. Download link:
Not inverted SSI-Clock
= Identifier with device address 1
= Position
= depends on order information ( 9 Type designation)
MSB
xxh
https://www.elgo.de/fileadmin/user_upload/software/EMAXHI_DS406.zip
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Connections and Interfaces

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