SYLK™ I/O DEVICES
31-00028—02
10
Step 2. Startup
Fig. 9. LED, service pin, and network
connection locations.
DEVICE STATUS LED:
The LED on the front of the device provides a visual
indication of the status of the device. When the device
receives power, the LED appears in one of the following
allowable states, as described in Table 3.
Step 3. Checkout Completion
At this point the device is installed and powered. To
complete the checkout, the N
IAGARA
F
RAMEWORK
®
application (run on a PC) is used to configure the I/O and
functions of the controller and device.
DEVICE REPLACEMENT
There are no serviceable or repairable parts inside the
device.
WARNING
Fire, Explosion, or Electrical Shock Hazard.
Can cause severe injury, death or property
damage.
Do not attempt to modify the physical or electrical
characteristics of this device in any way. Replace
the device if troubleshooting indicates a
malfunction.
WARNING
Electrical Shock Hazard.
Can cause severe injury, death or property
damage.
Disconnect power supply before beginning device
replacement to prevent electrical shock or
equipment damage.
Terminal Block Removal
To simplify device replacement, all terminal blocks are
designed to be removed with the wiring connections intact
and then re-installed on the new device. See Fig. 10 and
refer to the following procedure:
M35135
1 1 1 1 1 1 1 2 2 2 2 2
3 4 5 6 7 8 9 0 1 2 3 4
1 1
1 2 3 4 5 6 7 8 9 0 1 2
LED
LED State
Blink Rate
Status or Condition
OFF
not applicable
No power to processor,
LED damaged, low
voltage to board, first
second of power up, or
loader damaged.
ON
ON steady;
not blinking
Processor not operating.
Application Program
CRC being checked. This
takes 1-2 seconds and
occurs on each restart
(power up, reset and
reflash, and following
configuration file
download).
Very Slow
Blink
(continuous)
1 second ON,
1 second OFF
Device is operating
normally.
Slow Blink
(continuous)
0.5 second ON,
0.5 second OFF
Device alarm is active or
device in process of
configuration file
download.
