Digilent DMC60C Manual de referencia - Página 9

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Digilent DMC60C Manual de referencia
9 Fault Indicators
When a fault condition is detected, the output duty cycle is reduced to 0% and a fault is signaled.
The output then remains disabled for 3 seconds. During this time the onboard LEDs (LED1-4) are
used to indicate the fault condition. The fault condition is indicated by toggling between the top
(LED1 and LED2) and bottom (LED3 and LED4) LEDs being illuminated Red and off. The color of
the bottom LEDs depends on which faults are presently active. The table below describes how the
color of the bottom LEDs maps to the presently active faults.
Table 9.1 Fault Indicator LED Colors
Over Temperature
Color
Green
Present
Blue
Not Present
Cyan / Aqua
Present
10 Expansion Connector
The DMC60C includes a 10-pin (2 x 5, 0.050" pitch) expansion port that allows sensors to be directly
attached to the controller. Presently it supports direct attachment of limit switches and quadrature
encoders. The figure below shows the pinout. Please note that any sensor attached to the expansion
port should be powered through pin 1 (+3.3V) and/or pin 2 (+5V) and should not be powered by an
external voltage supply.
Figure 10.1 DMC60C Expansion Port Pinout
10.1 Expansion Port Electrical Specifications
Table 10.1.1 Expansion Port Electrical Specifications
PARAMETER
Under Voltage
Not Present
Present
Present
MIN
NOMINAL
MAX
UNIT