CES (3) ARINC 429 Inputs
------------------------------------------------------------------------SIGNAL NAME INPUT SOURCE ------------------------------------------------------------------------
ECS Demand A/C ECS BUS LABEL 221
Pack status A/C ECS BUS LABEL 061
GMT A/C CMC BUS LABEL 125
DATE A/C CMC BUS LABEL 260
A/C Ident 1 A/C CMC BUS LABEL 301
A/C Ident 2 A/C CMC BUS LABEL 302
A/C Ident 3 A/C CMC BUS LABEL 303
Flight Phase A/C CMC BUS LABEL 126
A/C Config A/C CMC BUS LABEL 155
BITE Command Code / Equip Ident A/C CMC BUS LABEL 227
B. ECB Output Sigals
(1) Discrete Outputs
------------------------------------------------------------------------SIGNAL NAME SIGNAL DESTINATION ------------------------------------------------------------------------
Flap OPEN Command 28VDC A/C
Flap CLOSE Command 28VDC A/C
Main Start Contactor 28VDC A/C
Back up Start Contactor 28VDC A/C
Start in progress 28VDC A/C
APU available 28VDC A/C
Fault Light 28VDC A/C
Load Valve Pos. Command 28VDC A/C
A/C Relay Command GND A/C
Fuel Low Press. Vlv Command 28VDC A/C
Fuel Solenoid Command 28VDC APU
Flow Divider Solenoid Command 28VDC APU
Load Valve Solenoid Command 28VDC APU
Deoil Solenoid Command (also DMM power) 28VDC APU
Ignition Unit Command 28VDC APU
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CES
(2)
Analog Outputs
------------------------------------------------------------------------SIGNAL NAME DEFINITION DESTINATION ------------------------------------------------------------------------IGV Torque Motor 0 - 64mA APU SCV Torque Motor -35 - 65mA APU FCU Torque Motor 0 - 250mA APU Flap position SW supply 28VDC A/C Pressure XDCR supply 10VDC APU
(3)
ARINC 429 Outputs
See Paragraph 5.C. (Parameter List).
C. Explanations of the Parameter List The parameter list is organized according to the connected ARINC 429 data buses. The connected systems and the corresponding ATA chapter numbers are stated in the header on the left side of each page of the parameter lists. The columns are described as follows:
---------------------------------------------------------------Column | Description ---------------|-----------------------------------------------1st | EQ.SYS.LAB.SDI = Parameter number
SYS.LAB.SDI | | System number: According to the system which is | sending out the corresponding parameter which is | always 1 for the APU systems. | Label of the parameter, octal value | according to ARINC 429. | SDI states the Source/Destination Identifier | which is used by the system for the | corresponding parameter: | always 01 for the APU systems | (Bit No.10 = 0 and Bit No.9 = 1)
---------------|------------------------------------------------2nd | PARAMETER PARAMETER | Parameter name ---------------|------------------------------------------------3rd | RANGE
RANGE | | Three different types of ranges are shown in | this column: | The first one, indicated by a 'W' (WORDRANGE), | is related to the ARINC 429 data bus. This
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CES
---------------------------------------------------------------
Column | Description
---------------|-----------------------------------------------| shows the maximum value of the parameter that | can be transferred on the bus. This | depends on the number of data bits (see | column DATA BITS) and the resolution ('R') of | the parameter (see column ACCURACY). | The second one, with no specific indication, | shows the normal operational range of the | parameter. | The third one is related to the ARINC 429 | Discrete Data Words. There are two states: | 'bit status 0' or 'bit status 1'. They | indicate the true condition of the | corresponding data-word bit position.
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