21
AI_TRANSDUCER Block Parameter List
2.8.4 Output conditioning parameters
Parameter
Rel.
Index
FF
Description Type Store
Size
byte
RO /
R/W
Min. Max. Default
SENSOR_MEAS_TYPE
17
Mathematical function to calculate PRIMARY_VALUE
(PV).
Defined codes:
0: PV = SV_1
1: PV = SV_2
128: PV = SV_1 - SV_2 Difference
129: PV = SV_2 - SV_1 Difference
192: PV = ½ * (SV_1 + SV_2) Average
193: PV = ½ * (SV_1 + SV_2) Average, but SV_1 or
SV_2 if the other is wrong (input_fault_x
≠0)
220: PV = SV_1, SV_2 not available. Used for single
sensor applications. If selected, Sensor 2 will
not be measured. All parameters exclusively
related to Sensor 2 are not available, and no
alarms will be generated for Sensor 2.
221: PV = SV_1, but SV_2 if SV_1 is wrong
(INPUT_FAULT_1
≠0)
222: PV = SV_2, but SV_1 if SV_2 is wrong
(INPUT_FAULT_2
≠0)
Un-
signed
8
SRC 1 R/W 220
BIAS_1
19
Bias that can be algebraically added to process value
of sensor 1, SV1.
The unit of BIAS_1 is the PRIMARY_VALUE_UNIT.
Float SRC 4 R/W 0
BIAS_2
20
Bias that can be algebraically added to process value
of sensor 2, SV2.
The unit of BIAS_2 is the PRIMARY_VALUE_UNIT.
Float SRC 4 R/W 0
MAX_SENSOR_VALUE_1
28
Holds the maximum SECONDARY_VALUE_1. The unit
is defined in
SECONDARY_VALUE_1.
Float N 4 R/W 0
MIN_SENSOR_VALUE_1
29
Holds the minimum SECONDARY_VALUE_1. The unit is
defined in
SECONDARY_VALUE_1.
Float N 4 R/W 0
MAX_SENSOR_VALUE_2
30 See. MAX_SENSOR_VALUE_1 Float N 4 R/W 0
MIN_SENSOR_VALUE_2
31 See. MIN_SENSOR_VALUE_1 Float N 4 R/W 0
2.8.5 Output parameters
Parameter
Rel.
Index
FF
Description Type Store
Size
byte
RO /
R/W
Min. Max. Default
PRIMARY_VALUE
13
Process value, function determined by SENSOR_
MEAS_TYPE of SECONDARY_VALUE_1/2.
The unit of PRIMARY_VALUE is the PRIMARY_VALUE_
UNIT.
FF Channel 1 Output. PA Channel 280
DS-33 D 5 RO 0
SECONDARY_VALUE_1
15
Process value connected to sensor 1 corrected by
BIAS_1. The unit of SECONDARY_VALUE_1 is the
PRIMARY_VALUE_UNIT.
FF Channel 2 Output, PA Channel 282
DS-33 D 5 RO 0
SECONDARY_VALUE_2
16
Process value connected to sensor 2 corrected by
BIAS_2. The unit of SECONDARY_VALUE_2 is the
PRIMARY_VALUE_UNIT.
FF Channel 3 Output, PA Channel 283
DS-33 D 5 RO 0
INTERN_TEMP
45
Internal electronics temperature. The unit of INTERN_
TEMP is the PRIMARY_VALUE_UNIT. If PRIMARY_
VALUE_UNIT is no temperature unit (e.g. mV) INTERN_
TEMP is stated in °C.
FF Channel 4 Output, PA Channel 341
DS-33 D 5 RO 0
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