Device description
Leuze electronic BPS 300i 14
When the inside temperature reaches approx. 18 °C, another temperature switch turns the housing heater
off and, if necessary, back on again (if the inside temperature drops below 15 °C). This does not interrupt
the read operation.
The front cover heater remains activated until an inside temperature of 25 °C is reached. At temperatures
above this, the front cover heater switches off and, with a switching hysteresis of 3 °C, back on again at
an inside temperature below 22 °C.
3.2 Connection technology
For the electrical connection of the BPS, the following connection variants are available:
• MS 300 connection hood with M12 connectors
• MK 300 connection hood with spring-cage terminals
• Connection hood KB 301 with cable
The voltage supply (18 … 30 VDC) is connected acc. to the connection type selected.
2 freely programmable switching inputs/switching outputs for individual adaptation to the respective appli-
cation are also available here.
3.2.1 MS 300 connection hood with M12 connectors
The MS 300 connection hood features two M12 connector plugs and a Mini-B type USB socket as a
service interface for configuration and diagnostics of the BPS.
1 PWR / SW IN/OUT: M12 plug (A-coded)
2 SERVICE: Mini-B USB socket (behind protective cap)
3 HOST / BUS IN: M12 plug (B-coded), RS 232/422
4 BUS OUT: not equipped
Figure 3.2: MS 300 connection hood, connections
3.2.2 MK 300 connection hood with spring-cage terminals
The MK 300 connection hood makes it possible to connect the BPS directly and without additional connec-
tors. The MK 300 features cable bushings in which the shielding connection for the interface cable is also
located. A Mini-B type USB socket is used for service purposes and for configuration and diagnostic of the
BPS.
The integrated parameter memory for the simple replacement of the BPS is located in the
MS 300.
NOTICE
Shielding connection
The shielding connection is done via the M12 connector housing.
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