INSTALLATION AND OPERATING INSTRUCTIONS
Power requirements
SKF Multilog On-line System IMx-8/IMx-8Plus
User Manual
Revision E
Where the IMx receives a signal from another system, for example load, speed or
trigger signal, that other system will usually have a different ground reference and if
its signals are not isolated at source, then a ground loop is created when the
connection is made. To prevent this a signal isolator is needed between the external
system and the IMx.
2.3 Power requirements
The SKF Multilog IMx-8/IMx-8Plus are designed to be powered from a 22 to 50 V DC
supply, typical power consumption 10 W or lower. The supply to the device should be
fused at 2 A, slow-blow, refer 3.2.2.
The incoming DC supply is isolated from GND (chassis).
Refer also to the important safety warnings on the following page.
SKF can supply a DIN rail mounting power supply under part number reference
CMON 4137. This provides a 24V DC output suitable for an IMx-8/IMx-8Plus or an
IMx-16/IMx-16Plus device and has a wide-ranging AC/DC input, see 3.2.2.
Note that the IMx-8/IMx-8Plus also support PoE (Power over Ethernet). This can be
used as either a single or as a redundant power source, refer 2.5.3 and 3.2.2.
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