Page 98 of 110 150821/A4 Interface
Input Signal
The input signal to the 1730T Handler interface is active low and requires a positive external
voltage to pull the signal down below 0.4V, ground. The connection of pin 19 (/EXT), the
external trigger input signal, is illustrated in Figure 3-8.
Figure 3-8: Input Signals
1
12
2
24
23
22
21
20
19
17
16
15
14
/BIN9
/EOT
/BIN7
/BIN2
/BIN1
/BIN6
/BIN0
/BIN5
/BIN3
/BIN8
/BIN4
/ACQ
VEXT
50
49
48
47
41
42
43
44
45
46
35
36
37
38
39
40
29
30
31
32
33
34
26
27
28
VEXT
/EXT
COM
COM
NC
COM
COM
NC
NC
NC
NC
NC
NC
GND
GND
VEXT
VEXT
Handler
Interface
MAIN
BOARD
(1730)
+5
+VEXT
+VEXT
25
+VEXT
18
13
10
11
8
9
6
7
4
5
3