ICP DAS USA I-7521, User Manual

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I-7521/I-7522/I-7522A/I-7523/I-7524/I-7527 User’s Manual,Ver2.5 Aug.2015
2
TABLE OF COMTENTS
CHAPTER 1 INTRODUCTION ........................................................................... 4
1.1. O
VERVIEW
................................................................................................ 4
1.2. F
EATURES
................................................................................................. 8
1.3. D
IMENSIONS
............................................................................................. 9
1.4. P
IN
A
SSIGNMENT
.................................................................................... 11
1.5. S
PECIFICATIONS
..................................................................................... 23
1.6. W
IRING
D
IAGRAMS FOR
A
PPLICATION
................................................. 25
1.6.1. Program download ................................................................. 25
1.6.2. Using a 3-wire RS-232 port ................................................... 26
1.6.3. Using a 5-wire RS-232 port ................................................... 27
1.6.4. Using a RS-485 port ............................................................... 28
1.6.5. Using DI/DO of I-7521(D) ...................................................... 29
1.6.6. Using DI/DO of I-7522A(D) ................................................... 30
1.6.7. Using a RS-485 of I-7522A(D) ............................................... 31
1.7. C
OMPARISON
T
ABLE
.............................................................................. 32
CHAPTER 2 OPERATING PRINCIPLES.......................................................... 34
2.1 INIT*
PIN OPERATING PRINCIPLES
........................................................ 34
2.2 D
EMO
C
ODE
, F
IRMWARE AND
7188
XW
.
EXE
.......................................... 36
2.3 T
HE
RS-485 P
ORT AND
S
ELF
-T
URNER
ASIC ........................................ 37
2.4 7-S
EGMENT
LED D
ISPLAY
..................................................................... 37
2.5 752N
PROTOCOL DESCRIPTION
.............................................................. 38
2.6 W
RITING
P
ROGRAM ON
752N ................................................................ 43
CHAPTER 3 QUICK START ............................................................................. 44
3.1 C
ONNECTING THE
I-752N
MODULE
....................................................... 45
3.2 C
ONNECTING TO A
S
INGLE
R
EMOTE
RS-232 D
EVICE
.......................... 52
3.3 C
ONNECTING TO
M
ULTIPLE
R
EMOTE
RS-232 D
EVICE
........................ 57
3.4 D
OWNLOADING NEW
F
IRMWARE TO THE
I-752N M
ODULE
................. 60
3.4.1. Using MiniOS7 Utility to download new firmware ............. 60
3.4.2. Using 7188xw.exe to download a file .................................... 62
CHAPTER 4 DI/DO AND WATCHDOG ........................................................... 63
4.1 DO O
PERATION
P
RINCIPLES
................................................................. 63
4.2 DI O
PERATION
P
RINCIPLES
................................................................... 63
4.3 D
UAL
W
ATCH
D
OG
O
PERATION
P
RINCIPLES
........................................ 64
4.4 H
OST
W
ATCH
D
OG
A
PPLICATION
N
OTES
.............................................. 64
4.5 M
ODULE
W
ATCH
D
OG
A
PPLICATION
N
OTES
........................................ 66
CHAPTER 5 COMMAND SETS ........................................................................ 67
5.1 C
OMMAND
S
ET
T
ABLE
........................................................................... 67
5.2 A
DDRESS
M
APPING
T
ABLE
.................................................................... 68
5.3 C
OMMANDS
............................................................................................. 69