Rockwell Automation 1715-OF8I Redundant I/O System User Manual - Manual (Page 196)

196 Rockwell Automation Publication 1715-UM001C-EN-P - March 2014
Chapter 5 Configure the Redundant I/O System
11. Click the Fault/Program Action tab.
The Fault/Program Action tab appears.
Disable All Alarms Check the checkbox to not report Latch Limit and Latch Rate Alarms in the input tag. By default, Disable
All Alarms is enabled and cleared.
Latch Limit Alarms Check the checkbox if you want the High Clamp and Low Clamp Limit Alarms to be latched until they are
reset either by a message or by use of a latch reset member of the output tag. By default, Latch Limit
Alarms is enabled and cleared.
Latch Rate Alarm Check the checkbox if you want the Rate Alarm to be latched until it is reset either by a message or by use
of a latch reset member of the output tag. By default, Latch Rate Alarm is dimmed and cleared.
Table 38 - Limits Parameters for Analog Output Duplex Module
Parameters Description
IMPORTANT Changing engineering scale values does not automatically adjust the Alarms/
Limits. It is your responsibility to verify/re-adjust the alarm and limit values.
Table 39 - Fault/Program Action Parameters for Analog Output Duplex Module
Parameters Description
Channel Click the channel number to configure parameters for the specified channel (0…7).
Fault Mode For a channel, choose the behavior of the output channel when a communication fault occurs. Choose
between Hold Last State and Use Fault Value. The default is Hold Last State.
Fault Value Enter a fault value (between -9999999 and 99999999). The Fault Value must also be in the range of
Low Alarm <= Fault Value <= High Alarm. The default is 0.0.
Fault Value is enabled (excluding Hard Run mode) when the Fault mode is set to Use Fault Value. Fault
Value is dimmed (including Hard Run mode) when the Fault mode is set to Hold Last State.
Ramp to Fault Value Check the Ramp to Fault Value checkbox to transition the channel from the current value to the fault
value (when in Fault mode and limited by Ramp Rate). The default is cleared.
Ramp to Fault Value is enabled (excluding Hard Run mode) when the Fault mode is set to Use Fault
Value. Ramp to Fault Value is dimmed (including Hard Run mode) when the Fault mode is set to Hold
Last State.