Turbo PMAC Clipper Hardware Reference Manual
Connections and Software Setup
29
Optional Analog Inputs
The optional analog-to-digital converter inputs are ordered either through Option-12 on the Turbo PMAC
Clipper or Option-2 on the axis expansion board. Each option provides two 12-bit analog inputs with a
±10Vdc range, and one 12-bit filtered PWM DAC output.
Example for Analog Input 1
}
+/- 10V Analog Signal
ADCIN_1
J3 (JMACH1)
49
50
47
48
45
46
43
44
41
42
39
40
37
38
35
36
33
34
31
32
29
30
27
28
25
26
23
24
21
22
19
20
17
18
15
16
13
14
11
12
9
10
7
8
5
6
3
4
1
2
The M-variables associated with these inputs provided a range of values b2048 and –2048 for
the respective ±10Vdc input range. The following is the software procedure to setup and read these ports.
Analog Inputs Setup
I7003 = 1746
;Set ADC clock frequency at 4.9152 MHz
I7006 = $1FFFFF
;Clock strobe set for bipolar inputs
M105->Y:$78005,12,12,S
;ADCIN_1 on JMACH1 connector pin 45
M205->Y:$7800D,12,12,S
;ADCIN_2 on JMACH1 connector pin 46
Summary of Contents for Turbo PMAC Clipper
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