At-Ul Driver - Technogym Jog Now Excite+ 700 Service Maintenance Manual

3.13.1. AT-UL
DRIVER
It's the device that acts as an interconnection hub for the main components of the lower assembly,
and serves as the point of connection with the display. In fact:
it exchanges, over the RS-485 serial link to the CPU/ARM board, the commands for

controlling the tread belt and elevation motors;
it supplies the tread belt motor with a variable-frequency sinusoidal voltage: varying the

frequency varies the speed of rotation of the motor, and consequently the speed of the tread
belt;
it supplies the elevation motor with a 24Vdc;

it exchanges, over the RS-485 serial link to the CPU/ARM board, the error signals pertaining

to the tread belt and elevation motors;
it exchanges, over the RS-485 serial link to the CPU/ARM board, the commands for viewing

and configuring the inverter parameters;
it exchanges, over the RS-485 serial link to the CPU/ARM board, the commands for viewing

the errors logged by the inverter.
Receives the mains voltage at its inputs and outputs the DC supply voltages for the machine

circuit boards listed below:
Supply voltage
+24Vdc
+5Vdc
+5Vdc
+12Vdc
From the outside the following indicator LEDs are visible:
LED name
H2
H3
H4
H5
It contains:
The AT driver board

The AT power supply board

2 fans

A breaking resistor

Page 3.14
Connector Description
XU1 Power supply for the fans of the electrical box
XU1 Power supply for belt and elevation motor encoders
XU2 Power supply for display
JOG NOW Excite +: Service & maintenance manual - rev. 5.1
Colour Description
GREEN +5Vdc
GREEN +12Vdc
GREEN +24Vdc
RED 400Vdc