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參數(shù)資料
| 型號(hào)： | AN-535 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Digital Input/Output Subsystems |
| 中文描述： | 數(shù)字輸入/輸出子系統(tǒng) |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 339K |
| 代理商： | AN-535 |
–2–
AN-535
Table I lists the input and output modules available for
use with the DB-16 backplane.
Table I. Single-Channel Input/Output Module Summary
Output
Current
Input
Current
Type
Model
Range
Input
ID016
ID032
IA140A
4 V–16 V dc
10 V–32 V dc
90 V–140 V ac
90 V–140 V dc
180 V–280 V dc
180 V–280 V ac
68 mA
34 mA
5 mA
IA280A
5 mA
Output OD060
5 V–60 V dc
12 V–140 V ac
24 V–280 V ac
3.0 A rms
3.5 A rms
3.5 A rms
OA140A
OA280A
Attaching Digital I/O Applications to the DB-16
Backplane
The DB-16 backplane is powered through an external
+5 V dc power supply. Applications to the DB-16 back-
plane are connected through the screw terminal barrier
strip, which contains 32 standard slot-head screw termi-
nals (screw terminals 1 and 2 are associated with chan-
nel 0 on the backplane; screw terminals 3 and 4 are
associated with channel 1 on the backplane, and so on).
Use the odd-numbered screw terminal for the high in-
put; use the even-numbered screw terminal for the low
input.
Figure 2 illustrates high level ac and dc digital wiring us-
ing input and output modules on the DB-16 backplane.
Example 2a illustrates turning a lamp on or off; example
2b illustrates monitoring whether the lamp is on or off;
example 2c illustrates turning a relay coil on and off; and
example 2d illustrates monitoring whether or not a relay
coil is energized.
INPUT MODULE
4
14
115V AC
PULL-UP
RESISTOR
SOCKETED
PICO FUSE (5A)
LED
SCREW
#29
#30
b. AC Input
OUTPUT MODULE
4
15
CURRENT
LIMIT
RESISTOR
1
115V AC
SCREW
#31
#32
LED
OUTPUT MODULE
4
13
+24V DC
2
RELAY
COIL
3
SCREW
#27
#28
LED
a. AC Output
INPUT MODULE
4
12
115V DC
LED
SCREW
#25
#26
c. DC Output
d. DC Input
NOTES:
1
SHOULD NOT EXCEED 3A.
2
USER SUPPLIED DIODE NECESSARY FOR INDUCTIVE SPIKE DAMPING.
3
RELAY COIL AMPERAGE SHOULD NOT EXCEED OUTPUT MODULE RATING.
4
MODULES ARE COLOR CODED: AC INPUT
AC OUTPUT – BLACK
DC INPUT
DC OUTPUT
– WHITE
– RED
– YELLOW
Figure 2. Typical High-Level Digital I/O Wiring Examples Using the DB-16 Backplane
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