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Sevcon Dragon8 User Manual

Sevcon Dragon8
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System design
Doc. # 177/52705
Rev. 1.0
81
KL15/KL30; measured as KL15 and KL30 (other products have separate KL15 and KL30 pins)
inputs and read at 5100
h
.
Capacitor voltage; measured at the B+ terminal. Read at 5100
h
and also available on H-protocol.
Hours counters
The controller supports many different hours counters for various functions. Some counters run on all
units and some only run on the Dragon8 configured as the vehicle master.
Hours counters are preserved with a minimum resolution of 15 seconds when the system is powered down.
The hours counters are:
KL15/KL30 key hours: increments while the keyswitch is in the ON position (5200
h
).
Controller pulsing hours: increments when the controller is powering its connected motor (4601
h
).
Logging
The controller can log events in the system (along with additional event-related information) and
minimum and maximum levels of important parameters. You need different levels of access to clear the
contents of the logs.
Logs are normally reset individually. However, to reset all logs at once write to 4000
h
.
FIFO event logs
Events are recorded by these two separate FIFOs (first in, first out logs), which operate identically:
System: this FIFO is 20 elements deep and is used for events such as software upgrades, user logins
and some hardware upgrades (4100
h
to 4102
h
).
Faults: this FIFO is 40 elements deep and is used for fault logging (4110
h
to 4112
h
).
At object 41X0
h
:
Reset the FIFO
Read its length
You can access the FIFO using objects 41X1
h
and 41X2
h
. The FIFO index is entered at 41X1
h
and the
data is read from 41X2
h
.
Event counters
The controller provides 10 event counters at 4200
h
to 420A
h
. Each event counter can record information
about occurrences of one event. The allocation of event counters to events is user-configurable however
Dragon8 will automatically count important events in unused counters. The information recorded in
each event counter is:
The time of the first occurrence
The time of the most recent occurrence
The number of occurrences

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Sevcon Dragon8 Specifications

General IconGeneral
BrandSevcon
ModelDragon8
CategoryController
LanguageEnglish

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