Rockwell Automation Publication 1756-UM540E-EN-P - December 2017 205
Analog I/O Module Tag Definitions Appendix A
Ch[x].RampToProg BOOL Enables Output Ramping when the channel is
transitioning to Program mode.
Output changesduring Program mode are limited to the
C.Ch[x].MaxRampRate tag value.
• 0 = Ramping disabled (default)
• 1 = Ramping enabled to
Program mode state
Ch[x].RampToFault BOOL Enables Output Ramping when the channel is
transitioning to Fault mode.
Output changes during Fault mode are limited to the
C.Ch[x].MaxRampRate tag value.
• 0 = Ramping disabled (default)
• 1 = Ramping enabled to Fault
mode state
Ch[x].Disable BOOL Disables the channel. • 0 = Channel enabled (default)
• 1 = Channel disabled
Ch[x].FaultValueStateDuration SINT Determines the length of time the C.Ch[x].FaultValue tag
value is held prior to the C.Ch[x].FaultFinalState being
applied.
• 0 = Hold forever (default)
• Any of the following:
– 1, 2, 5, or 10 seconds
Ch[x].OutputRange SINT Channel’s operating range. 0 = -10…10V
1 = 0…20 mA (default)
2 = 0…5V
3 = 0…10V
Ch[x].MaxRampRate REAL Maximum rate at which the channel can transition the
output in Engineering Units/Second.
This tag is used only if at least one of the following tags
is enabled:
• C.Ch[x].RampInRun
• C.Ch[x].RampToFault
• C.Ch[x].RampToProgram
Any value > 0.0
1,000,000.00 = default
Ch[x].FaultValue REAL Value to which the channel changes if the following
events exist:
• Connection is lost
• C.Ch[x].FaultMode tag is enabled
Any
0.0 = default
Ch[x].FaultFinalState REAL Value to which the channel changes if the following
events exist:
• Connection is lost
• Time defined by the C.Ch[x].FaultValueStateDuration
tag has been exceeded
Any
0.0 = default
Ch[x].ProgValue REAL Value to which the channel changes if the following
events exist:
• Module transitions to Program mode
• C.Ch[x].ProgMode tag is enabled
Any
0.0 = default
Ch[x].LowSignal REAL Signal value that lets you scale signal units (V, mA) into
Engineering Units.
Corresponds to the C.Ch[x].LowEngineering tag. That is,
this tag’s value is scaled to the lowest Engineering Unit.
Any value less the
C.Ch[x].HighSignal tag value.
Current input type: 4.0 = default
Voltage input type: -10.0 = default
Ch[x].HighSignal REAL Signal scaling value that lets you scale signal units (V, mA)
into Engineering Units.
Corresponds to the C.Ch[x].HighEngineering tag. That is,
this ta
g
’s value is scaled to the highest Engineering Unit.
Any value greater than the
C.Ch[x].LowSignal tag value
Current input type: 20.0 = default
Voltage input type: 10.0 = default
Ch[x].LowEngineering REAL Low engineering scaling point
Corresponds to the C.Ch[x].LowSignal tag value.
Any lower than the
C.Ch[x].HighEngineering tag
Default values:
• 0.0 for current
• -10.0 for voltage
Ch[x].HighEngineering REAL High engineering scaling point
Corresponds to the C.Ch[x].HighSignal tag value.
Any higher than the
C.Ch[x].LowEngineering tag
Default values:
• 100.0 for current
• 10.0 for voltage
Table 38 - 1756-OF8I Module - Configuration Tags (continued)
Tag Name Data Type Definition Valid Values
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