Technical Manual

Chapter C • DCU-Generated Headend Messages
D C U M a i n t e n a n c e a n d O p e r a t i o n M a n u a l 81
Main Board REBOOT_WAKEUP Event
X
03.10.0012
Power Management System Low Power Wakeup Service.
While in low power mode, system will:
• sends 11 STAR time syncs every day starting at
9:38.25 and ending at 9:38:35
• wakeup once every 72 hours to provide 6 hours of
normal operation (transfer endpoint records to
headend and relay headend commands to
endpoints)
Main Board ResetCode=M4 On Reset X
Reset code indicates the reason for the last mainboard
reset:
M0 = Mainboard HW Reset
M1 = Backhaul WFR (used after FW downloads)
M2 = DCU-to-DCU reset command
M3 = Watchdog timeout
M4 = Recovery from power management FW shutdown
M5 = Power Supply forced shutdown (HW)
M6 = Reset button on mainboard
M7 = Reset command via Control Port interface
M8 = SPI port timeout
M9 = Restore config defaults via Control Port interface
M10 = FW integrity check failure (e.g., bad values of
arrays, etc.)
X1 = Transceiver not clearing interrupt line to MB
X2 = Transceiver reset event
X3 = Transceiver disconnect watchdog
Main Board StackOFLO=11 Event X X Indicates task that caused the stack to overflow.
Main Board SystemRes!! On Reset X X
Indicates that the DCU was reset (rebooted). This
happens following firmware upgrades and other
maintenance procedures and can also be caused by an
internal software watchdog.
Main Board TstRec X X
Enumerated test record that have been generated and
sent from the corresponding DCU during the installation
confirmation process. Test records must be generated
by the installer via the local menu.
Main Board UTCAccuracy=12 Hourly X UTC Time Accuracy in nanoseconds.
Power
Supply
BATTChem=Lead Acid,6 On Reset X
Battery Chemistry and Cells: For standard Aclara lead
acid battery the response should be "Lead Acid".
Power
Supply
BATTCount=1 Daily X 03.10.0012
Battery Count: The number of 12VDC batteries
connected in parallel. For current Aclara DCU 2+ the
count should be 1. Incorrect setting of this value will
cause incorrect State-of-Charge values.
Power
Supply
BATTLV=11.25 Daily X
Battery Size in Amp-Hours: The standard Acala DCU2
battery is 31AHrs and the standard DCU2+ battery is
41AHrs. Incorrect setting of this value will cause
incorrect State-of-Charge values.
Source Message Frequency DCU 2 DCU 2+
Mainboard
Firmware
Description