參數(shù)資料
型號： RS-422
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
文件頁數(shù)： 2/44頁
文件大?。?/td> 628K
代理商： RS-422
RS-422/485 Application Note
Table of Contents
i
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 434-7094
Table of Contents
CHAPTER 1: OVERVIEW
...........................................................................1
I
NTRODUCTION
.............................................................................................1
D
ATA
T
RANSMISSION
S
IGNALS
......................................................................1
Unbalanced Line Drivers.........................................................................1
Balanced Line Drivers.............................................................................1
Balanced Line Receivers..........................................................................3
EIA S
TANDARD
RS-422 D
ATA
T
RANSMISSION
..............................................3
EIA S
TANDARD
RS-485 D
ATA
T
RANSMISSION
..............................................6
T
RISTATE
C
ONTROL OF AN
RS-485 D
EVICE USING
RTS..................................9
S
END
D
ATA
C
ONTROL OF AN
RS-485 D
EVICE
..............................................11
CHAPTER 2: SYSTEM CONFIGURATION............................................13
N
ETWORK
T
OPOLOGIES
...............................................................................13
T
WO
W
IRE OR
F
OUR
W
IRE
S
YSTEMS
............................................................13
T
ERMINATION
.............................................................................................16
B
IASING AN
RS-485 N
ETWORK
....................................................................17
E
XTENDING THE
S
PECIFICATION
..................................................................19
CHAPTER 3: SELECTING RS-422 AND RS-485 CABLING..................20
N
UMBER OF
C
ONDUCTORS
..........................................................................20
S
HIELDING
.................................................................................................20
C
ABLE
C
HARACTERISTICS
...........................................................................20
CHAPTER 4: TRANSIENT PROTECTION OF RS-422 AND RS-485
SYSTEMS....................................................................................................23
W
HAT DOES A SURGE LOOK LIKE
................................................................23
Surge Specifications...............................................................................23
Common Mode vs. Differential Mode.....................................................25
G
ROUND
≠
G
ROUND
....................................................................................26
T
RANSIENT PROTECTION USING
I
SOLATION
..................................................27
Isolation Theory.....................................................................................27
Isolation Devices ...................................................................................28
T
RANSIENT
P
ROTECTION USING
S
HUNTING
..................................................28
Shunting Theory.....................................................................................28
Connecting Signal Grounds ...................................................................29
Shunting Devices ...................................................................................29
C
OMBINING
I
SOLATION AND
S
HUNTING
.......................................................29
S
PECIAL
C
ONSIDERATION FOR
F
AULT
C
ONDITIONS
.......................................31
C
HOOSING THE RIGHT PROTECTION FOR YOUR SYSTEM
.................................31
相關(guān)PDF資料
PDF描述
RS-485 RS-422 AND RS-485 APPLICATION NOTE
RS-MK-X2010 High Integrity FM Transceiver
RS3FS SDR Cable Assembly; Connector Type A:micro D Ribbon Plug; Connector Type B:micro D Ribbon Plug; Cable Length:2m; No. of Contacts:26; Pitch Spacing:0.8mm RoHS Compliant: Yes
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RS4FS SDR Cable Assembly; Connector Type A:micro D Ribbon Plug; Connector Type B:micro D Ribbon Plug; Cable Length:5m; No. of Contacts:26; Pitch Spacing:0.8mm RoHS Compliant: Yes
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RS422-GE1 制造商:Carlo Gavazzi 功能描述:CABLE FOR GE90
RS422-MI1 制造商:Carlo Gavazzi 功能描述:CABLE FOR MITS MASTER
RS422-MI2 制造商:Carlo Gavazzi 功能描述:CABLE FOR MITS MASTER
RS422-MI3 制造商:Carlo Gavazzi 功能描述:CABLE FOR MITS MASTER
RS422-OM2 制造商:Carlo Gavazzi 功能描述:CABLE FOR OMRON MASTER
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