Hach si792 D series, User Manual

Page: 59 / 96

Operation—Foundation Fieldbus
57
TRANSDUCER_
DIRECTORY
Directory that specifies the
number and the starting indices
of the transducers in the
transducer block.
R 4
TRANSDUCER_TYPE Identifies the transducer type. R 2
Default: 65535 =
other
XD_ERROR
A transducer block sub-code.
XD_ERROR contains the
highest priority alarm that has
been activated in the
TB_DETAILED_STATUS
parameter.
R 1
Default: 0
COLLECTION_
DIRECTORY
A directory that specifies the
number, starting indices, and
DD item of IDs of the data
collection in each transducer
within a transducer block. Used
by the host for efficient transfer
of information.
R 36
Output
INPUT_RANGE
Selects the connection of the
sensor
R/W 2 uns16
0 = LO_LEVEL
1 = HI_LEVEL
POLARIZATION_VOLTAGE Sets the polarization voltage R/W 4 float –1000–0
SENSOR_TYPE Selects the used sensor type. R/W 2 uns16
0 = Standard
1 = Traces
Table 19 Transducer block bus parameters (continued)
Parameter Description R/W Bytes
Data
type
Range