Turret aTod and signal conditioning boards

07jul00

The turret system uses a signal conditioning board (designed by christian bonilla) that has a pico fuse, voltage dividing resistor, and a varistor. This feeds the z-world atod board.
The AtoD board has an analog multiplexor, optional opamps with unity gain, and an AtoD converter. The signals enter on the sigConditioning board connector J1 pins 2 thru 17 and exit on J2 pins 2 through 32


signal	sig Cond Inp J1,outJ2	voltRange (volts)	resistor (kOhms)	AtoD input	AtoD Mode	gain
not_used	1,2		R1 open	AN0-
not_used	3,4		R2 open	AN0+
N24	4,6	-24 to 0	R3 99.5	AN1-	1 biPol SE-	1
P24	5,8	0 to 24	R4 99.5	AN1+	8 uinpolSE+	1
not_used	6,10		R5 open	AN2-
not_used	7,12		R6 open	AN2+
M_I_mon	8,14		R7 46.2	AN3-	9 biPolSE-	1
M_Spd_mon	9,16		R8 46.2	AN3+	0 biPol SE+	1
S_I_mon	10,18		R9 short	An4-	9 biPol SE-	1
S_Spd_mon	11,20		R10 short	AN4+	0 biPol SE+	1
Enc5Volts	12,22	0 to 5	R11 12.1	AN5-	9 uniPol SE-	1
PcuInput	13,24		R12 99.5	AN5+	0 biPol SE+	1
Brk24-	14,26		R13 99.5	AN6-	17 uniPol Dif	1
Brk24+	15,28	0 to 24	R14 99.5	AN6+	17 uniPol Dif	1
VelFdBk-	16,30	-10 to 10	R15 46.2	AN7-	16 biPol Dif	1
VelFdBk+	17,32	-10 to 10	R16 46.2	AN7+	16 biPol Dif	1

Notes:

The resistor values and connections need to be checked!!! It copied them from various places (program ,schematic, and the tiedowns).
Abbreviations: N Negative, P positive ,M master, S slave, I current, Spd speed, mon monitor, Brk brake, VelFdBk velocity feed back.
The gain for these aToD modes is 1 but you must cut resistor R8 on the AtoD board.
ANX+/- are the inputs to the aTod connectors H1,H2,H5.

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