HAWK 8000 CONTROLLER – INSTALLATION & COMMISSIONING INSTRUCTIONS
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EN1Z-1016GE51 R0218
STATUS LEDs
The HAWK 8000 provides a number of status LEDs, with all
but one visible with the front access door closed (see Fig. 14):
BACKUP
SEC
STAT BEAT SHT/DWN
PRI
DEBUG
COM-1
A-RS485-B
COM-2
1
2
3
4
5
8
6
7
Fig. 14. HAWK 8000 Controller LEDs (shown here with
access door opened)
Legend
1.
WiFi (green): Lit whenever WiFi configuration switch is
not OFF.
2.
RS485-A (COM1): Transmit (Tx, yellow) and Receive
(Rx, green).
3.
RS485-B (COM2): Transmit (Tx, yellow) and Receive
(Rx, green).
4.
BACKUP (green; visible only when access door is
open): Typically OFF.
5.
PRI: Primary Ethernet (LAN1): "Link" (green), "Activity"
(yellow).
6.
SEC: Secondary Ethernet (LAN2): "Link" (green),
"Activity" (yellow).
7.
BEAT (yellow): "Heartbeat" LED flashing at 1 Hz during
normal operation.
8.
STAT (green): Remains lit.
RS485 LEDs
RS485 port A (COM1) and RS485 port B (COM2) each have
two LEDs indicating port activity as follows:
Tx
Yellow. Indicates that the controller is transmitting data on
the RS485 port.
Rx
Green. Indicates that the controller is receiving data from
an RS485 device connected to this port.
These LEDs use a fixed "ON time" when a message is
detected on the port. If a receive LED is ON constantly, this
can indicate a wiring problem (e.g., a shorted wire or reversed
wiring).
STAT (Status) LED
The green "STAT" LED provides a CPU machine status
check, and should remain lit whenever the controller is ON. If
the status LED does not light while power is applied, contact
T.A.C. for technical support.
BEAT (Heartbeat) LED
During normal operation, the yellow heartbeat "BEAT" LED
flashes at 1 Hz, in a 50% / 50% ON/OFF duty cycle.
During controller boot-up, this LED may flash at 1 Hz with a
90% / 10% ON/OFF duty cycle, or in some other irregular
pattern. When boot-up completes, the platform daemon is
started, and the normal 1 Hz flash at 50% / 50% ON/OFF
duty cycle returns.
CAUTION
The 1 Hz, 90% / 10% ON/OFF "BEAT" flash at boot-
up also occurs during other critical operations, such as
a firmware upgrade to the controller and/or any
attached modules. To be safe, do not remove power
from the controller while its "BEAT" LED is flashing in
a 90% / 10% ON/OFF duty cycle. Instead, wait for the
normal (50% / 50%) flash to return before removing
power.
If the "BEAT" LED remains ON constantly, does not light up,
or flashes very fast, contact T.A.C. for technical support.
PRI, SEC (Ethernet) LEDs
Two LEDs for each of the two LAN ports indicate as follows:
Link
: The green (left side) "Link" LED operates as follows.
▪ OFF: No Ethernet link has been established.
▪ ON: Ethernet link has not been established.
Activity
: The yellow (right side) "Activity" LED operates as
follows:
▪ OFF: No Ethernet activity.
▪ ON: Flashing indicates activity (typical if Link is ON).
BACKUP LED
A green "BACKUP" LED is located behind the front access
door, and is visible only when the door is open. Typically, this
LED is OFF.
Possible "BACKUP" LED states are as follows:
▪ ON constantly: USB backup media detected. Occurs
when you insert a USB flash drive, to signal that a backup
is possible.
▪ Alert mode: 100 ms ON / 100 ms OFF repeating (fast
flashing). Occurs for several seconds in the following
scenarios:
- When USB media was detected, after the controller's
BACKUP button has been pressed (backup mode).
- When the controller is power-cycled while holding
down the BACKUP button (recovery / restore mode).
▪ Working mode: 1 second ON / 1 second OFF repeating
(slow flashing). Never remove power in this mode. See
WARNING.
▪ Error mode: Two quick 200 ms flashes ON, 3 seconds
OFF, repeating.
BACKUP LED Scenarios
Some scenarios where the BACKUP LED is used include:
USB drive inserted:
A USB flash drive is inserted in the USB
2.0 port, to either backup a commissioned unit to the USB
drive, or to restore an existing backup from the drive. The
BACKUP LED lights up when the USB drive is mounted.
Backup:
A backup is initiated by pressing the BACKUP
button from 1 to 5 seconds before releasing it. The BACKUP
LED will then start flashing in the "Alert Mode" for 5 seconds.
Another button press during this period will start the backup,
