7.1
95-8533
4-12
8 CHANNEL DCIO MODULE
The DCIO Module (see Figure 4-6) has 18 LED status
indicators, two for the device and two for each
channel, located on the front panel. Refer to Tables
4-6 and 4-7 for a description of the LED indicators.
POWER-UP SEQUENCE
Set the module address switch prior to applying power.
DCIO module power-up sequence illuminates the
LEDs for the device and all of its channels. First the
power and fault LEDs are illuminated, indicating that
the device is in a power-up mode. Next the LEDs are
illuminated in the following sequences:
• Sequentially each channel active red LED is
illuminated, starting with channel 1 and continuing
through channel 8.
• When the red LED for channel 8 is illuminated,
sequentially each channel active red LED is turned
off, starting with channel 1 and continuing through
channel 8.
• Next, the channel fault amber LEDs are tested in the
same manner as the channel active red LEDs.
When all the LEDs have been illuminated, the DCIO
module displays the device’s LON address by
illuminating the channel active red LED. LON dip
switches 1 though 8 will be displayed on channels 1
through 8. When a dip switch is set to the ON
position, the channel active red LED will be
illuminated. The address is displayed for two
seconds.
Once the address has been displayed, the device’s
fault LED will turn off.
After the power-up sequence, the device will either
display an unconfigured state or normal operation
state. In the unconfigured state, the channel fault
amber LEDs flash ON and OFF at the same rate for all
channels.
STATUS INDICATOR LEDs
Figure 4-6—DCIO Module Status Indicator Location
Table 4-6—DCIO Module - Device Status Indicators
Table 4-7—DCIO Module - Channel Status Indicators
LED
Device Status
Green
On when power is present.
Amber
When On steady indicates device is disabled or
must be replaced. Possible Watchdog Timer
problem.
Note
Blinks one time at power-up.
LED
Channel Status
Red
When On steady indicates the input circuit is
closed or the output circuit is active.
Amber
When Blinking indicates a low power condition is
present or channel is not properly configured.
Steady indicates a channel fault.
Содержание DET-TRONICS 95-8533
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