參數(shù)資料
型號(hào)： RS-485
廠商： Electronic Theatre Controls, Inc.
英文描述： RS-422 AND RS-485 APPLICATION NOTE
中文描述： RS - 422和RS - 485接口應(yīng)用筆記
文件頁(yè)數(shù)： 42/44頁(yè)
文件大?。?/td> 628K
代理商： RS-485
RS-422/485 Application Note
39
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 434-7094
EIA RS-232 Specification Summary
Parameter
Conditions
Driver Output Voltage Open
Circuit
Driver Output Voltage Loaded
Min
Max
Units
V
25
3 K
≤
R
L
≤
7
K
-2V
≤
Vo
≤
2V
5
15
V
V
Driver Output Resistance,
Power Off
Driver Output Short-Circuit
Current
Driver Output Slew Rate
Maximum Load Capacitance
Receiver Input Resistance
Receiver Input Threshold
Output = Mark
Output = Space
300
500
mA
30
V/
μ
s
pF
2500
7000
3V
≤
V
IN
≤
25V
3000
-3
3
V
V
EIA RS-423 Specification Summary
Conditions
Driver Output Voltage
Open Circuit
Driver Output Voltage
Loaded
Driver Output Resistance
-2V
≤
Vo
≤
2V
Driver Output Short-
Circuit Current
Driver Output Rise and
Fall Time
Baud Rate
≥
1K Baud
Parameter
Min
Max
Units
V
V
V
4
-4
6
-6
6
R
L
= 450
3.6
50
mA
±150
Baud Rate
≤
1K Baud
300
30
μ
s
% Unit
Interval
mV
Receiver Sensitivity
Receiver Input Resistance
Vcm
≤
±7V
±200
4000
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參數(shù)描述
RS485-232 制造商:PR 功能描述:
RS485-C1(AS) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RS232/RS485 CONV (AS)
RS485-C1(EU) 制造商:Equinox Technologies 功能描述:RS232/RS485 CONV (EU)
RS485-C1(UK) 制造商:Equinox Technologies 功能描述:RS232/RS485 CONV (UK)
RS485-C1(US) 制造商:Equinox Technologies 功能描述:RS232/RS485 CONV (US)
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