Publication 1756-UM514B-EN-P - February 2003
9-12 Using RSLogix 5000 in Remote I/O and Block Transfer Applications
Table 9.3
1756-DHRIO Module Configurable Parameters
Naming Screen
(first screen):
Parameter: Definition:
Name Module name. This field is required.
Description Optional description of the module.
Slot Location of module in the chassis.
Type Application for each module channel. This field must be
changed to RIO.
Baud Rate Rate of communication at which the 1756-DHRIO module
scans the remote I/O. Available options are:
· 57.6K bps
· 115.2K bps
· 230.4K bps
Revision Minor revision of the 1756-DHRIO module.
Electronic Keying Parameter that determines if the controller that owns the
1756-DHRIO module will establish a connection with the
module. The options are:
· Compatible Module - Controller will attempt to
establish a connection with any module in this
slot that can emulate the configuration being sent
from the controller.
· Disable Keying - Controller attempts to establish a
connection to the module regardless of its type.
This option is not recommended.
· Exact Match - Controller will only attempt to
establish a connection with the module if it
exactly matches the configuration parameters
being sent from the controller.
Requested
Packet Interval
Screen (second
screen):
Parameter: Definition:
Requested
Packet Interval
User-defined rate (2ms - 750ms) that determines the rate
at which the module scans data from the remote I/O.
Inhibit Module Feature that allows you to configure a 1756-DHRIO
module but prevent it from communicating with the
controller. In this case, the controller does not establish a
connection until the module is uninhibited.
Major Fault on
Controller if
Connection Fails
in Run Mode
Use this feature to choose whether a major fault occurs
on the controller if the connection between the controller
and the 1756-DHRIO module fails.
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