7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User’ s Manual, Ver. 2.0 Sep/2002, 7Mh-001-20 -----
2
Table of Contents
1.
INTRODUCTION ....................................................................................................................................................... 3
1.1
F
EATURES
....................................................................................................................................................................... 7
1.2
P
IN
A
SSIGNMENT
..........................................................................................................................................................12
1.3
S
PECIFICATIONS
...........................................................................................................................................................30
1.4
B
LOCK
D
IAGRAM
.........................................................................................................................................................39
1.5
W
IRING
D
IAGRAMS FOR
A
PPLICATIONS
......................................................................................................................43
1.6
C
OMPARISON
T
ABLE
....................................................................................................................................................53
1.7
J
UMPER
S
ETTINGS
........................................................................................................................................................58
2.
OPERATION PRINCIPLES ...................................................................................................................................60
2.1 S
YSTEM
M
APPING
.......................................................................................................................................................60
2.2
H
OW TO
D
EBUG
P
ROGRAMS
........................................................................................................................................65
2.3
H
OW TO
D
OWNLOAD
P
ROGRAMS
................................................................................................................................66
2.4
U
SING THE DOWNLOAD
_
PORT AS
COM
PORT
............................................................................................................66
2.5
COM
PORTS
C
OMPARISON
..........................................................................................................................................67
2.6
T
HE
RS-485 P
ORT
& S
ELF
-T
UNER
ASIC ...................................................................................................................69
2.7
U
SING THE
R
ED
LED & 7-SEG LED D
ISPLAY
..........................................................................................................70
2.8
U
SING THE
RTC & NVSRAM ....................................................................................................................................70
2.9
U
SING
EEPROM..........................................................................................................................................................71
2.10
U
SING THE
W
ATCHDOG
T
IMER
....................................................................................................................................70
2.11 U
SING THE
I/O E
XPANSION
B
US
..................................................................................................................................72
3. APPLICATIONS........................................................................................................................................................80
3.1
E
MBEDDED
C
ONTROLLER
............................................................................................................................................80
3.2
A
DDRESSABLE
RS-232 P
ROTOCOL
C
ONVERTER
........................................................................................................82
3.3
L
OCAL
R
EAL
T
IME
C
ONTROLLER
................................................................................................................................82
3.4
R
EMOTE
L
OCAL
C
ONTROLLER
....................................................................................................................................84
3.5
I/O E
XPANSION FOR
PLC
APPLICATIONS
....................................................................................................................85
3.6
R
ADIO
M
ODEM
A
PPLICATIONS
....................................................................................................................................86
3.7
U
SING
4 COM
PORT
A
PPLICATION
-1..........................................................................................................................87
3.8
U
SING
4 COM
PORT
A
PPLICATION
-2..........................................................................................................................88
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