HW BeagleBone expander assignments

Table circuit

Table 1. Expander locations on each BeagleBone Black Unit

T1
Expander1	Expander2	Expander3	Expander4	Expander5	Expander6	Expander7	Expander8
			Turnout A. sense: 14 marker: 901		Segment A. (dummy)	Segment A. slot A: 12 slot B: 15
T2
Expander1	Expander2	Expander3	Expander4	Expander5	Expander6	Expander7	Expander8
Segment A. (dummy)	Segment A. slot A: 18 slot B: 31				Segment A. (dummy)	Segment A. slot A: 24 slot B: 29	Turnout A. sense: 28 marker: 902
T3
Expander1	Expander2	Expander3	Expander4	Expander5	Expander6	Expander7	Expander8
	Segment A. (dummy)	Segment A. slot A: 20 slot B: 19	Turnout A. sense: 25 marker: 9032		Segment A. (dummy)	Segment A. slot A: 30 slot B: 26	Turnout A. sense: 32 marker: 9031
T4
Expander1	Expander2	Expander3	Expander4	Expander5	Expander6	Expander7	Expander8
Segment A. (dummy)	Segment A. slot A: 1 slot B: 4	Segment A. (dummy)	Segment A. slot A: 2 slot B: 5	Segment A. (dummy)	Segment A. slot A: 6 slot B: 7		Turnout A. sense: 3 marker: 904
T5
Expander1	Expander2	Expander3	Expander4	Expander5	Expander6	Expander7	Expander8
			Turnout A. sense: 9 marker: 905	Segment A. (dummy)	Segment A. slot A: 10 slot B: 11	Segment A. (dummy)	Segment A. slot A: 13 slot B: 8
T6
Expander1	Expander2	Expander3	Expander4	Expander5	Expander6	Expander7	Expander8
	Segment A. (dummy)	Segment A. slot A: 27 slot B: 23			Segment A. (dummy)	Segment A. slot A: 17 slot B: 22	Turnout A. sense: 21 marker: 906

T3 clarification

Figure 1. T3 sensing