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Functional Description
MEN Mikro Elektronik GmbH
39
20BL50S00 E2 – 2014-12-10
3
Functional Description
The following describes the individual functions of the system and their
configuration. There is no detailed description of the individual controller chips and
the CPU. They can be obtained from the data sheets or data books of the
semiconductor manufacturer concerned.
3.1
Power Supply
The BL50S is supplied with a nominal input voltage of 24 VDC and 36 VDC (10 to
50.4 V input voltage range) via a 3-pin COMBICON connector. You can find pin 1
at the left (see
Figure 10, PSU connector at BL50S front
).
The onboard power supply generates all the necessary internal voltages.
Connector type:
• 3-pin COMBICON receptacle (Phoenix Contact 1843800 MC 1,5/ 3-GF-3,5)
Mating connector:
• 3-pin COMBICON plug, e.g., Phoenix Contact 1863314 MCVR 1,5/ 3-STF-3,5
Figure 10.
PSU connector at BL50S front
Table 1.
Pin assignment of PSU connector
1
POWERCON_IN
Power input
2
POWERCON_GND
Power input ground
3
IGNITIONCON
Ignition
Pin
1