Technogym SYNCHRO Excite +, Руководство по обслуживанию и ремонту

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SYNCHRO : Service & maintenance manual - rev. 7.1
Page 3.11
3.5. BRAKE BOARD
At the moment there are 2 models of Brake board which have to be used on version: powered and
self-powered (500SP/700SP), due to the fact they need different characteristics.
Each brake board consists of:
1.
Power supply section which generates the low voltages used by the machine: +5Vdc (only for
700 and 700SP version) and +12Vdc (all version). Depending on the machine version, these
voltages will be generated either from the 110VAC or 220VAC mains supply, or from the
alternator-battery.
2.
Section for RS-485 serial communications with the Display Board for:

commands determining the resistance that is required of the Electromagnetic Brake;

Electromagnetic Brake error messages;

commands for modifying the circuit board configuration parameters;

commands for viewing the errors logged by the circuit board;

Commands of equipment usage (RPM, WATT, distance, etc…).
3.
Section which generates the current for the brake winding: varying the current produces a
proportional variation in the resistance of the brake. The excitation current supplied to the brake
is a function of the effort level selected on the display and the RPM value measured by the speed
sensor (angular velocity of the brake disk) and is determined by the values stored in the braking
table.
The board includes the following indicator 2 LEDs:
LED name Colour Description
LED1 GREEN
if ON the board is supplying the brake winding.
if BLINKING the Brake Board is in an error condition.
LED2 YELLOW ON if the Brake Board is powered