Electrical Schematics Overview Of Motor Interface - Levitronix BFS-i06 User Manual

4.1.2 Electrical Schematics Overview of Motor Interface

Bearingless fan
interface circuit
2.2 kW
2.2 kW
240 W
240 W
Analog inputs not galvanically isolated
Max. pin voltage to GND = 10 V
Digital outputs not galvanically isolated
4...20 mA
Analog output not galvanically isolated
3.3 V
56 V
10 A
Note 1: RS485 to USB converter cable with termination resistors to be ordered according to Table 2
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disclosed or used for manufacturing or sale of Levitronix
Pin numbers, wire colors
and wire name
B4 / Pink:
Digital input 1
B5 / Gray:
Digital input 2
B3 / Yellow:
Digital input ground
B6 / Violet:
Analog input 1
B1 / Gray-pink:
Analog input 2
B2 / Blue:
Analog input ground
A2 / Brown:
Digital output 1
A3 / White:
Digital output 2
A1 / Blue-red:
Analog output
A5 / Brown-green:
RS485+
A6 / White-yellow:
RS485-
A4 / White-green:
Ground (GND)
3 / Yellow-green:
Cable Shield
2 / Black:
Ground/Earth
1 / Red:
48 VDC
Figure 14: Electrical schematics of motor interface
Note 2: Do not use multiple master devices on the RS485 at the same time
Example of user
interface circuit
4..20 mA
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User Manual for BFS-i06
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5..24 V
4..20 mA
5..24 V
200 mA
450 W
3.3..5 V
510 W
Tool
120 W
Control
510 W
RS485 - USB
Personal
Converter
Computer
with
(Service)
Termination
AC/DC
Supply GND
48 VDC
® .
16