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6. External interfaces
6-2-4. TALLY/GPI
This connector is provided with eight contact input ports (GPI In) for controlling the unit from an external device,
31 ports (GPI Out) for outputting the tally and status information from the unit to the external device, and one port
(ALARM Out) that is used exclusively as the alarm output.
For details of the settings, refer to “5-7-3. Setting the GPI”.
17 1
50 34
1833
Com
GPI Out
ALARM Out
Example of GPI Out and ALARM connections
Ensure that the conditions given below are satisfied.
Dielectric strength: Max. DC 24 V
Current: Max. 50 mA
AV-HS450N
(Max. voltage: 24 V)
Tally LED
(Max. current: 50 mA)
Com
GPI In
+3.3 V
Example of GPI In connections
Provide contact inputs.
AV-HS450N
D-sub 50-pin, female, inch screw
Pin No. Signal name
1 GPI In Com
IN
34 GPI In Com
18 GPI In 1
2 GPI In 2
35 GPI In 3
19 GPI In 4
3 GPI In 5
36 GPI In 6
20 GPI In 7
4 GPI In 8
37 GPI Out Com
A
21 GPI Out 1
5 GPI Out 2
38 GPI Out 3
22 GPI Out 4
6 GPI Out Com
B
39 GPI Out 5
23 GPI Out 6
7 GPI Out 7
40 GPI Out 8
24 GPI Out Com
C
8 GPI Out 9
41 GPI Out 10
25 GPI Out 11
9 GPI Out 12
42 GPI Out Com
D
26 GPI Out 13
10 GPI Out 14
43 GPI Out 15
27 GPI Out 16
11 GPI Out Com
E
44 GPI Out 17
28 GPI Out 18
12 GPI Out 19
45 GPI Out 20
29 GPI Out Com
F
13 GPI Out 21
46 GPI Out 22
30 GPI Out 23
14 GPI Out 24
47 GPI Out Com
G
31 GPI Out 25
15 GPI Out 26
48 GPI Out 27
32 GPI Out 28
16 GPI Out Com
H
49 GPI Out 29
33 GPI Out 30
17 GPI Out 31
50 ALARM Out