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miniDaqu — Manual 1.2 Technical Specifications
uses information available from ECU and only minimal amount of additional
sensors (if any) is required.
Daqu electronics is enclosed in thin anodized aluminum case. Electronics is
designed to sustain elevated ambient temperatures and with some care it can
also be mounted in an engine compartment. A shield is required in this case
as electronics is not waterproof.
Only one cable connects Daqu and other devices on the CAN network. This
cable carries CAN messages and provides power for Daqu. Daqu uses mod-
ified CANaerospace protocol for the communication. A separate document
provides details about this protocol.
1.2 Technical Specifications
Table 1 lists technical specifications and figures 1 and 2 shows principal di-
mensions of Daqu.
Description Value
Weight (without cables) 90 g
Size 76 x 44 x 30 mm
Operational voltage 7–32 V
Current (sensors not connected) 100 mA at 12 V
Current (sensors connected) up to 200 mA at 12 V
Operating temperature –30
◦
C to +85
◦
C
Humidity 30% to 90%, non condensing
Max current load of 5V power 150 mA
source (both sources together)
Max current load of 12V power
150 mA
source (both sources together)
Digital channels
1: (1xY)
Analog channels 5: (1xC, 2xD, 2xE)
Processor Cortex M3, 60 MHz
ECU Communication RS232, second CAN bus
Communication CAN bus, Kanardia protocol
Connector Engine ECU D-SUB 9 female (cable side)
Connector Kanardia CAN D-SUB 9 male (cable side)
Table 1: Basic technical specifications for mini Daqu.
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