Hardy HI 6200 Series, Руководство пользователя

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Chapter 4 – Ways to Set Scale Parameters
Hardy Process Solutions HI 6200 Weigh Processor User Guide 50
values, and read data values. The command is a 16-bit value used for the command string,
as shown above in the command section.
The 16-bit
Aux Command Information
is used for specific information required for special
commands. To select which parameter is being read or written, set the predefined number
into the
Parameter ID
. If the value is being read, the
Parameter Value
is ignored, or set to
the required value if the value is being written.
The following values are reserved to provide padding, so the user-selectable read-only
parameters are aligned between the output and input tables:

Reserved 1

Reserved 5

Reserved 2

Reserved 6

Reserved 3

Reserved 7

Reserved 4
Table 4-7. Input Table
Input Table Type
Command Echo INT
Command Status and Sample Counts INT
Parameter Value DINT
Parameter ID INT
Instrument Status INT
Net Weight REAL
Gross Weight REAL
Total 10
The first four variables in the input table in Table 4-7

Command Echo
,
Command Status
,
Parameter ID
, and
Parameter Value

match closely the first four variables in the
output table in Table 4-6 on page 49.
Command Echo
echoes the command from the output table. This allows the PLC to ensure
that the correct command has been executed and that the command status value is valid.
Command Status and Sample Counts
returns the command status of the command being
run and the Weight Sample Counts from 0 – 255 repeat. The value returned in the lower
byte of the register is the status code for the command. This code is one of the following
values:
DRAFT