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Reference Manual
00809-0100-4664, Rev BA
January 2010
Rosemount 8712
4-24
DIO 1 Control
Displays the configuration for Channel 1 as either a discrete Input or Output.
Digital Input 1
Displays what digital input Channel 1 will be set to when the Control for
Channel 1 is set to Input.
Digital Output 1
Displays what digital output Channel 1 will be set to when the Control for
Channel 1 is set to Output.
DO 2
Configure the digital output value here. This controls the digital output from
the transmitter on terminals 16(+) and 20(-). There are four options that the
digital output can be configured for:
•
Reverse Flow – The output will activate when the transmitter detects a
reverse flow condition.
•
Zero Flow – The output will activate when a no flow condition is
detected.
•
Transmitter Fault – The output will activate when a transmitter fault
condition is detected.
•
Empty Pipe – The output will activate when the transmitter detects an
empty pipe condition.
•
Flow Limit 1 – The output will activate when the transmitter measures a
flow rate that meets the conditions established for the Flow Limit 1
Alert.
•
Flow Limit 2 – The output will activate when the transmitter measures a
flow rate that meets the conditions established for the Flow Limit 2
Alert.
•
Diagnostic Status Alert – The output will activate when the transmitter
detects a condition that meets the configured criteria of the Diagnostic
Status Alert.
•
Total Limit – The output will activate when the transmitter net total value
meets the conditions established for the Total Limit Alert.
Flow Limit 1
Configure the Parameters that will determine the criteria for activating a HART
alert if the measured flow rate falls within a set of configured criteria. This
functionality can be used for operating simple batching operations or
generating alerts when certain flow conditions are met. This parameter can be
configured as a discrete output if the transmitter was ordered with auxiliary
outputs enabled (option code AX), or if this functionality has been licensed in
the field.
Field Comm.
1, 4, 2, 3, 1, 2
Field Comm.
1, 4, 2, 3, 1, 3
Field Comm.
1, 4, 2, 3, 1, 4
Field Comm.
1, 4, 2, 3, 2
Field Comm.
1, 4, 2, 3, 3
LOI Key
AUX. FUNCTION
Summary of Contents for 8712
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