CS8C © Stäubli 2009 – D28070504A
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Chapter 5 - Integration
5.2.4. SYSTEM INPUTS
The following inputs are accessible on the VAL3 to detect various errors.
RSI board temperature
The CBT_TEMP input shows the temperature (°C) measured on the RSI board (in the controller). Correct
controller operation can no longer be guaranteed if the temperature rises above 55°C. In this case, it is necessary
to check the ventilation system on the CS8C controller (fans running, air inlets unobstructed).
Power supply for the controller
The SECTEUR_OK input is activated when the controller is powered up. When the power supply to the CS8C
controller is cut off, the SECTEUR_OK signal is deactivated about 80ms before the power is actually cut off. The
SECTEUR_OK input may also be deactivated temporarily if the power supply voltage is too low.
Arm temperature thresholds
Temperature sensors are fitted in the arm to protect the motors and mechanical elements in the event of a
temperature rise that is too great. If the temperature of a motor rises above 120°C, the arm stops immediately. An
excessively high temperature on the DSI board (75°C) or the castings (100°C) stops the arm after a time lapse of
about ten seconds.
The GLOBAL_PTC input signals an overtemperature on one of the arm sensors. The DSI_BOARD input shows
an overtemperature on the DSI board (at the base of the arm).
On TX arms, the MOTOR_1_3_5, MOTOR_2_4_6 and CASTING inputs show an overtemperature on a motor and
on the castings.
On the RS arms, the MOTOR_1_3 and MOTOR_2_4 inputs show an overtemperature for a motor.
CPU board temperature
The CPU_TEMP input shows the temperature (°C) measured on the CPU board (in the controller). Correct
controller operation can no longer be guaranteed if the temperature rises above 85°C. In this case, it is necessary
to check the ventilation system on the CPU controller (fans running, air inlets unobstructed).
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