
69
Magtrol Hysteresis Dynamometers
Appenidix B: Schematics
APPENDICES
B.4
HD-800–815 BRAKE CONTROL SUPPLY
D7 1N
5625
D8 1N
5625
D4
5KP
13A
C1 1000U
F
C2 1000U
F
TRANS1
TRANS2
TRANS3
D3 1N5625
R1 2.
2K
R4 680
IN POS
R5 680
D1
1N4004
D2 1N
4004
D5
5KP
13A
D6
5KP
13A
R3
3
R2*
COLLECTOR
BASE
EMITTER
IN NEG
BR1
BR2
BRAKE
(BUL45 Transistor
)
(+
35 Volts)
MT
3
MT
4
MT
1
MT
2
*
Resistor is selected at time of calibration for necessary current level