![Applent Instruments AT5220 Скачать руководство пользователя страница 26](http://html.mh-extra.com/html/applent-instruments/at5220/at5220_user-manual_2954884026.webp)
26
AT5220 User
’
s Guide
<Remark>
9
CH2-V/RV
0
:
V-OK or RV-OK
10
CH3-V/RV
0
:
V-OK or RV-OK
11
CH4-V/RV
0
:
V-OK or RV-OK
12
CH5-V/RV
0
:
V-OK or RV-OK
13
CH6-V/RV
0
:
V-OK or RV-OK
14
CH7-V/RV
0
:
V-OK or RV-OK
15
CH8-V/RV
0
:
V-OK or RV-OK
16
CH9-V/RV
0
:
V-OK or RV-OK
17
CH10-V/RV
0
:
V-OK or RV-OK
<Remark>
:
P8~P17 V/RV is configurable pin
,
configure as V-OK or RV-OK
(
R+V all GD
)
format
,
please refer to Comparator chapter.
Input terminal
Table 7-2 Input terminal pin definition
Pin
Name
Description
18
trigger
input
Trigger input terminal, built-in
0.25W,
499
Ω
current-limiting resistance.
VCC
Table 7-3 VCC pin definition
Pin
Name
Description
27-30
GND
External power source input GND
33-34
External
VCC
External power source input plus terminal
35-36
Internal
VCC
Internal VCC power plus terminal
(5V,1A)
7.2
Connection
Use external power source (recommended)
Please use external power source to connect to the pins as below:
VCC
:
pin 33-34
GND
:
pin 27-30
Internal power source 35-36
:
float
Use internal power source
Under condition of unknown or uncertain power, don
’
t use internal power source,
otherwise, the instrument will not be able to work.
Under condition of small power, uses can use internal power source, but it will make
instrument
’
s antijamming capability become weak.
Internal power source
:
5V MAX 1A
。
Use internal power source
,
and connect to the pins as below:
Содержание AT5220
Страница 24: ...24 AT5220 User s Guide ...