User's Manual

Table Of Contents
SYSTEM DESCRIPTION AND INSTALLATION MANUAL
T
3
CAS/Part No.9005000
Table 4-5: ACSS 41-Pin VSI/TRA Interface Descriptions (cont)
Connector Pin
Designation
Functional Description
J1-40
115-V AC, 400-HZ POWER INPUT (HI):
This pin, along with its return line (pin 23) supplies power to the
VSI/TRA. Connect power through a 1-A circuit breaker.
J1-41
CONFIGURATION STRAP #8 INPUT (NO):
For -88X and -89X units, CS8 is paired with CS3 (pin 17) to program the
Filter Time Constant. The following apply: O = Open, G = Ground
Pin
CS8
41
CS3
17
Definition
O
O
5.0-sec Delay
O G 6.4-sec Delay
G O 3.2-sec Delay
G
G
1.6-sec Delay
Table 4-6: ACSS 55-Pin VSI/TRA Interface Descriptions
Connector Pin
Designation
Functional Description
J1-1, 6
SECONDARY ARINC 565 VERTICAL SPEED BUS INPUT: [J1-6 (HI),
J1-1 (LO)]
This two wire bus input receives ARINC 565 vertical speed data from the
cross-side display when the bootstrap mode is activated. This bus input
is connected to the R/C Bootstrap Output bus on the cross-side display
as follows:
J1-6 of the on-side display is connected to J1-14 of the cross-side
display.
J1-1 of the on-side display is connected to J1-13 of the cross-side
display.
J1-2
VERTICAL SPEED dc RATE INPUT:
Pins 2, 3 and 8 are inputs to the VSI/TRA from an ARINC 575 air data
computer indicating vertical speed. Pin 2 receives a +10 to -10 V dc
rate signal from the ADC. Pin 3 is a -12 V dc regulated reference voltage
from the ADC and pin 8 is a +12 V dc regulated reference voltage from
the ADC. Also see pins 29, 31, 32, and 33.
J1-3
VERTICAL SPEED -dc REFERENCE INPUT:
See pin 2.
Pub. No. 8600200-001, Revision 004
34-45-29
4-85
04 Nov 2014
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