54
Pin Function
X1 Ribbon cable connection to PC board UST (secondary voltage)
Plug layout
(X13)
(X10)(X4)
(X9) (X3)
(X11)(X12) (X2)
(X15)
(X1)
Fig. 21 Plugs and connections on power module PC board, e.g. BPS 50 < V1.4A
The position of the plug and connections is identical for all power module PC boards.
(X8)
(X21)(X20)
(X7)(X18)
(X19)
Plugs on the
power module
PC boards
(X5)(X16)(X17)(X14)
(X6)
Pin 2 Primary current measurement
GND T1
Pin 4 Primary current measurement
GND T2
Pin 6 Transistor control
Pin 8 Transistor control
Pin 10 Transistor control
Pin 12 Transistor control
Pin 14 GNDD
Pin 16 + 15 V
Pin 18 Main switch detection
(0 V = off/5 V = on)
Pin 20 Signal for high charging
connection
(0 V = relay on/15 V = relay off)
Pin 22 CFM data line
Pin 24 15 V supply
Pin 26 Intermediate circuit balance
detection (0/5 V)
Pin 1 Primary current measurement
+T1
Pin 3 Primary current measurement
+T2
Pin 5 Transistor control
Pin 7 Transistor control
Pin 9 Transistor control
Pin 11 Transistor control
Pin 13 GNDD
Pin 15 + 5 V
Pin 17 + 24 V
Pin 19 Temperature value PWM signal
Pin 21 CFM data line
Pin 23 NC
Pin 25 NC
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