Ethernet I/O Modules
ICP DAS CO., LTD.
PETL/tET/tPET DIO Series User Manual, Ver. 2.2, Aug. 2017, Page: 3
4.4
I/O
S
ETTINGS
................................................................................................................................................................... 55
DO Control
................................................................................................................................................................ 55
DI/DO Configuration
................................................................................................................................................ 56
4.5
S
YNC
............................................................................................................................................................................... 59
DIO Synchronization .................................................................................................................................................. 59
4.6
PWM
............................................................................................................................................................................ 61
PWM Configuration
.................................................................................................................................................. 61
4.7
P
AIR
.............................................................................................................................................................................. 63
Pair-Connection Settings
.......................................................................................................................................... 63
4.8
F
ILTER
........................................................................................................................................................................... 66
Filter Settings
........................................................................................................................................................... 66
4.9
M
ONITOR
....................................................................................................................................................................... 68
4.10
C
HANGE
P
ASSWORD
...................................................................................................................................................... 68
4.11
L
OGOUT
....................................................................................................................................................................... 69
5.
I/O PAIR CONNECTION APPLICATIONS
......................................................................................................... 70
5.1
O
NE
M
ODULE
P
OLLING THE
R
EMOTE
DI/DO
(1-
TO
-1,
P
OLLING
M
ODE
)
............................................................................. 70
Polling Mode ............................................................................................................................................................. 72
Push Mode ................................................................................................................................................................. 73
5.2
T
WO
M
ODULES
P
USHING THE
L
OCAL
DI
TO EACH OTHER
(1-
TO
-1,
P
USH MODE
)
.................................................................. 74
5.3
S
EVERAL
M
ODULES
P
OLLING THE
R
EMOTE
DI
(M-
TO
-1)
(P
OLLING
M
ODE
)
......................................................................... 77
5.4
S
EVERAL
M
ODULES
P
USHING THE
L
OCAL
DI
(M-
TO
-1)
(P
USH
M
ODE
)
................................................................................ 80
6.
MODBUS INFORMATION
................................................................................................................................. 83
6.1
W
HAT IS
M
ODBUS
TCP/IP?
............................................................................................................................................ 84
6.2
M
ODBUS
M
ESSAGE
S
TRUCTURE
........................................................................................................................................ 84
01(0x01) Read the Status of the Coils (Readback DOs)
........................................................................................... 88
02(0x02) Read the Status of the Input (Read DIs)
.................................................................................................. 90
03(0x03) Read the Holding Registers (Readback AOs)
........................................................................................... 92
04(0x04) Read the Input Registers (Read AIs)
........................................................................................................ 94
05(0x05) Force a Single Coil (Write DO) .................................................................................................................... 96
06(0x06) Preset a Single Register (Write AO)
......................................................................................................... 98
15(0x0F) Force Multiple Coils (Write DOs)
............................................................................................................ 100
16(0x10) Preset Multiple Registers (Write AOs)
................................................................................................... 102
6.3
M
ODBUS
R
EGISTER
T
ABLE
............................................................................................................................................. 104
6.3.1
Common Functions
................................................................................................................................... 104
6.3.2
Specific Functions
..................................................................................................................................... 106
7.
RELATED TOOLS
............................................................................................................................................ 111
7.1
L
AB
VIEW
.................................................................................................................................................................... 111
7.2
OPC
S
ERVER
................................................................................................................................................................ 111
7.3
SCADA
........................................................................................................................................................................ 112
APPENDIX:
TROUBLESHOOTING .............................................................................................................................. 114
H
OW DO
I
RESTORE THE WEB PASSWORD FOR THE MODULE TO THE FACTORY DEFAULT PASSWORD
?
......................... 114
APPENDIX B: REVISION HISTORY ................................................................................................................................ 116
