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3-2
Features
Section 1-1
O
vervie
w
1-1
Features
In this manual, the DeviceNet-compatible K3HB Digital Indicator is abbrevi-
ated as K3HB-DRT.
1-1-1
Outline
The K3HB-DRT Digital Indicators are slaves that connect to the DeviceNet
open field network. DeviceNet communications enable controlling operation,
collecting measurement data, and writing settings from a host computer or
PLC. The K3HB-DRT support both remote I/O communications and explicit
message communications.
Remote I/O communications allow the master and the K3HB-DRT to automat-
ically share data via high-speed I/O without any special programming of the
master. Remote I/O communications are particularly suited to operation con-
trol, error warnings, and monitoring applications.
Explicit messages use a communications protocol for sending commands and
receiving responses. The main application for explicit message communica-
tions is for changing K3HB-DRT settings data.
1-1-2
Communications Connection Example
Host computer
Configurator
K3HB-DRT
PLC
CPU Unit
DeviceNet Unit
DeviceNet
Explicit messages
K3HB-DRT
K3HB-DRT
Host link
Remote I/O
Explicit messages
Содержание K3HB
Страница 2: ...K3HB Digital Indicators Communications User s Manual Revised March 2005...
Страница 3: ...iv...
Страница 15: ...xvi...
Страница 19: ...xx...
Страница 21: ...Part 1 CompoWay F...
Страница 69: ...Part 2 DeviceNet...
Страница 95: ...6 10 Ladder Programming Examples Section 4 3 Remote I O Com munications...
Страница 103: ...7 8 Explicit Messages Specific to DeviceNet compatible Digital Indicators Section 5 3 Explicit Message Communications...
Страница 111: ...8 8 Message Communications Performance Section 6 2 Communications Performance...
Страница 127: ...Part 3 BCD Output...
Страница 147: ......