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System Overview
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Industrial Computing Platform to decode, pre-process, and buffer monitored system data
Isolating wide-range power supply, 85 to 230 V AC
High Impedance, Fault Tolerant, Isolated RS232 Input to allow non-intrusive monitoring
Isolated RS485 output prevents tampering with RS232 signal or data stream
2 x Isolated LAN Ethernet Ports, for monitoring non-safety critical IP data streams, back-office connectivity or master-slave installation with additional S-LX systems.
Integral SD Card and SIM card for persistent data storage of and provision of cellular connectivity
Integral LTE cellular modem
USB port for future monitoring and data storage applications
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The means of connection to the monitored system will differ dependent on the application.
Refer to the application specific instructions below for example “overlay” wiring diagrams.
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Inappropriate Installation of the S-LX carries the risk of importing safety and operational risk to the signalling system. Please follow any safety and operationally related guidance carefully in each application. If in doubt, please contact MPEC for advice and support. support@mpec.co.uk |
VHLC Level Crossing Applications
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AZLM Axle Counter Applications
Schweizer Flex Life Level Crossing Applications
SEAR II Event Recorder Applications
Unbox & Mount the S-LX system
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Antenna and antenna cable are supplied separately.
Mount the antenna external to the building
Never mount antenna inside an equipment enclosure or building
The antenna must be placed a minimum of 3 meters from sensitive electronic signalling equipment such as SSI.
The antenna features a magnetic mounting base. If this is not suitable, contact MPEC to discuss alternate mounting arrangements.
The antenna is to be mounted upright, with the “whip” element pointing skyward.
Ideally the antenna shall be placed clear of large structures and earthworks.
Bear in mind during placement that the antenna may need relocating during commissioning if inadequate signal strength is available.
A minimum 12 mm circular aperture is required to route the antenna cable into the building / enclosure.
If the building or enclosure structure must be pierced to run the antenna cable, ensure this is done in a responsible manner using appropriate tools. Any new openings must be appropriately sealed against moisture ingress and rodent attack.
route the antenna cable using appropriate cable management from antenna to SLX S-LX device.
Avoid sharp radius bends and never bend the antenna cable tighter than a 13mm radius.
Avoid running the antenna cable directly parallel and close to sensitive digital signal cables, such as SSI data links.
Do not attempt to shorten or lengthen the cable unless competent to do so and in possession of the appropriate tools and connectors.
MPEC offer a range of antenna cable lengths, so please contact MPEC if the standard 5m 10m cable is inappropriate.
Hand tighten the hexagonal SMA connector to terminal W1 of the S-LX compute module. Do not use tools to over-tighten.
Hand tighten the round TNC connector to the antenna base. Do not use tools to over-tighten.
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Commissioning
Commissioning of the device can be split into three stages.
If issues are discovered, refer to the Trouble Shooting & Maintenance section.
S-LX Indication summary:
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Energise Power Supply
Energise the main power supply and check:
HZS device Power Indication illuminates
S-LX device Power Indication illuminates
S-LX device then begins boot sequence. This can take up to one minute
S-LX Run Indication begins to flash. The should continue to flash whilst the device is operating
The S-LX Error Indication will illuminate during boot.
The S-LX Error indication will then extinguish once the boot sequence is complete
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The Downlink indication on the TCC-120i will illuminate
The Disk access indication on the S-LX device will flash intermittently.
USB Connections
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The USB indication on the S-LX will illuminate
The Disk access indication on the S-LX device will flash intermittently.
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