Rockwell Automation 1756-DHRIO_DHRIOXT ControlLogix Data Highway Plus-Remote I/O Communication Interface Module User Manual
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172
Rockwell Automation Publication 1756-UM514C-EN-P - June 2014
Index
Inhibiting the remote I/O connections
K
Keying
Setting electronic keying in Studio 5000
,
L
Limitations
Controller constraints
Increasing the unconnected message buffer
limit
Of local data highway plus (DH+) messaging
Of remote data highway plus (DH+)
messaging
Routing limitations for messages sent via the
1756-DHRIO module
Link design
On a data highway plus (DH+) network
Link IDs
For remote data highway plus (DH+)
messaging
,
Local data highway plus (DH+) messaging
Limitations
Programming message block instructions in a
controller
Receiving messages
Routing errors
Sending messages
M
Message instructions
Block transfer application example
RSLogix 5
,
RSLogix 500
Studio 5000
,
,
Messaging
Control and information protocol (CIP)
Data highway plus (DH+)
Increasing the unconnected message buffer
limit
N
Networks
Definition of the data highway plus (DH+)
network
Using multiple networks with the 1756-
DHRIO module
Using the data highway plus (DH+) network
P
Pass-through messages
With block transfers
Paths
In data highway plus (DH+) messaging
-
PCCC commands
Echo
ID host and status
-
Read DH+ diagnostic counters
-
Reset DH+ diagnostic counters
Preventing electrostatic discharge (ESD)
Programming terminal port
Pyramid integrator
As related to routing tables
R
Read DH+ diagnostic counter command
-
Remote data highway plus (DH+) messaging
-
Limitations
Link IDs
Programming message block instructions in a
controller
Routing errors
Using routing tables
Remote I/O communication
,
,
Available adapter modules
Cable design guidelines
Designing a remote I/O network
Devices that can be connected to a remote I/O
network
Exhanging data between the 1756-DHRIO
module and adapters
Exhanging data between the 1756-DHRIO
module and ControlLogix
controllers
Network design guidelines
Requested packet interval (RPI)
Trunk line/drop line considerations
Remote I/O connection
ControlLogix vs PLC-5 performance
Removal and insertion under power (RIUP)
Requested packet interval (RPI)
,
,
-
Reset DH+ diagnostic counters command
Routing errors
In local data highway plus (DH+) messaging
In remote data highway plus (DH+)
messaging
Routing limitations
For messages sent via the 1756-DHRIO
module
Routing tables
Definition
Example
In data highway plus (DH+) messaging
,
,
In remote data highway plus (DH+)
messaging
Pyramid integrator