Where the Ethernet connection is use. Follow the guidance for connection over USB. 1 x S-LX may monitor 1 x Axle Counter Evaluators. (ACE) over USB
In the USB Configuration, Additional ACEs may be monitored by utilising both serial ports on the Internet connected S-LX compute device, or via bridging the Wireless connection through multiple S-LX devices. Contact MPEC for more information to ensure safety requirements are met.

Note

Connection of the S-LX system is via a monitoring port. The AzLM system may remain in service during installation.
Safety is assured by only connecting to 1 of duplicated or triplicated CPU devices found in each ACE. (2oo2 or 2oo3 safety system) (See SLX-TYP-AZLM-1)
Where Ethernet ports are already in use on all ACE CPUs, connection via USB is required, using a special “air-gapped” variant of the S-LX in order to control safety and reliability risks to a tolerable level. (See SLX-TYP-AZLM-2)
Appropriate cables shall be provided by the customer for Ethernet connection

Sample Overlay Diagram

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name	SLX-TYP-AZLM.pdf

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