Installation
Supply Cable
2 - 2 SKF Multilog On-Line System IMx-S
User Manual – Revision S
eig oitoed, efe to the istutio aual: Attaching Sensors for SKF Multilog
On-Line Systems.
Make a detailed layout of the equipment and note distances between components and
the networks to which it should connect. Amongst other things, consider the lengths of
all cables, their routing, where electrical power for the unit can be sourced and any
interfaces to the plant systems. Good and thorough planning is the basis for a successful
installation and system implementation.
Include specifically the IMx-S units, the @ptitude Observer Monitor or Analyst IMx
Service computer, the database server computer and all hubs/routers in the network.
Specify network configuration of each components, such as IP addresses and subnet
masks. SKF application engineers or TSG personnel will need this information in order to
assist.
Note that a CAT5/6 Twisted Pair (TP) Ethernet cable has a maximum working distance of
100 m. If longer cable lengths are needed, fibre optic cables may be used along with
appropriate converters for fibre optic to CAT5/6 (TP) Ethernet and vice versa.
When GPRS is used, the GPRS routers should be reconfigured as a part of the application
to run a lifeline connection with the Observer Monitor or Analyst IMx Service computer.
Important - Failure of this communication path will force the GPRS router to
constantly reboot and can hamper the success of the application. This is especially
important to consider when GPRS forms a part of the customers internal IP network
(VPN). In such a case, SKF must be informed of this before ordering the GPRS, so that
SKF can disable the lifeline functionality of the GPRS router.
Supply Cable
To connect IMx-S to 240 VAC or 120 VAC, the following is recommended:
• FKLK 3 x 1,5 mm2 (16 AWG) or EKLK 3 x 1,5 mm2 (16 AWG) or corresponding, with
minimum voltage requirement 300 V and temperature range of -40 to +70 ºC (-40 to
+158 ºF).
The IMx-S must be connected to protective ground/earth (PE). Refer to Mains Power for
attaching power cable to the mains power/power grid.
Important - The cross-sectional area of the PE wire must be equal or greater than
the cross-sectional area of the power wires. The PE wire should be colour coded
green/yellow. However, in some countries, other cable requirements may apply.
Important - Mains cable must be properly fixed with a cable gland to prevent the
cord from strain, twist or movement. See Cable Glands section as well.
Mains Power
Refer to Power Supply in Technical Data section for power requirements.
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