Instruction Manual
D103412X012
Detailed Setup—AI Function Block
July 2013
173
Table 4‐54. Channel Selections for the Analog Input Function Block
Channel Parameter
(1)
Block Index Number XD_SCALE Units
2 TRAVEL_TARGET TB 49 % (1342)
3 FINAL_POSITION_VALUE TB 17 % (1342)
4 TRAVEL TB 34 % (1342)
5 SUPPLY_PRESS TB 35 psig (1143), bar (1137), kPa (1133), inHg (1155), inH20 (1146), kg/cm2 (1145)
6 PRESSURE_A TB 36 psig (1143), bar (1137), kPa (1133), inHg (1155), inH20 (1146), kg/cm2 (1145)
7 PRESSURE_B TB 37 psig (1143), bar (1137), kPa (1133), inHg (1155), inH20 (1146), kg/cm2 (1145)
8 PRESSURE_DIFF TB 38 psig (1143), bar (1137), kPa (1133), inHg (1155), inH20 (1146), kg/cm2 (1145)
9 DRIVE_SIGNAL TB 53 % (1342)
10 TRAVEL_DEVIATION TB 52 % (1342)
11 TEMPERATURE TB 48 C (1001), F (1002)
12 CYCLE_COUNT TB 73 no units (1588)
13 TRAVEL_ACCUMULATION TB 72 % (1342)
1. Refer to table 4‐14 for transducer block parameter descriptions and table 4‐25 for AO parameter descriptions.
Status Handling
The AI block only gets Good Non‐Specified Unlimited or Bad Device Failure for status from the transducer. This is
reflected in FIELD_VAL.STATUS [19.1]. PV.STATUS [7.1] is the same as FIELD_VAL.STATUS [19.1]. OUT.STATUS [8.1]
can also reflect Bad, Out of Service in addition to PV.STATUS [7.1] values.
In the STATUS_OPTS [14] parameter, you can select from the following options to control the status handling:
Propagate Fail Forward—If the status from the sensor is Bad, Device failure or Bad, Sensor failure, propogate it to OUT
without generating an alarm. The use of these sub‐status in OUT is determined by this option. Through this option,
you may determine whether alarming (sending out an alert) will be done by the block or propagated downstream for
alarming.
Figure 4‐25. Analog Input Function Block Timing Diagram
OUT (mode in man)
OUT (mode in auto)
PV
63% of Change
TIME (seconds)
FIELD_VAL
PV_FTIME
FIELDBUS‐FBUS_03A
Uncertain if in Manual mode—The status of the Output is set to Uncertain when the mode is set to Manual.
Note
1. The instrument must be in Out of Service mode to set the status option.
2. The AI block only supports the Uncertain if in Manual and Propagate failure. Unsupported options are not grayed out; they
appear on the screen in the same manner as supported options.
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