Rockwell Automation 2711 MODBUS COMMUNICATIONS FOR PANELVIEW TERMINALS - Manual (Page 18)

Publication 2711-6.9 - March 2000
18 Modbus Communications for PanelView Terminals
Type Determines address of the data in the
slave device. Options are:
Input Status
Output Coil
Input Register
Holding Register Address Type may support some or all of
the data types. Refer to page 15.
Scaling
Scale:
‘m’ in y = mx + b
Offset:
‘b’ in y = mx + b Values you want to use to convert the
current tag’s processor integer value (‘x’)
to engineering units (‘y’). Maximum characters = 12
0 - 9
e, E, +, and period - Do not use blanks, tabs, carriage returns
or non-printable characters.
- Maximum precision for scale is 6 places
to right of decimal point.
- Maximum precision for offset is 6 places
to right of decimal point.
- If present, a sign (+ or -) for the number
must be first (+ is default).
- If present, a sign for the exponent must
immediately follow the e or E.
Data Entry Limits
Minimum
Maximum Minimum and maximum values that can
be assigned to the tag. Maximum characters = 12
0 - 9
e, E, +, and period - Do not use blanks, tabs, carriage returns
or non-printable characters.
- Maximum precision is 6 places to right
of decimal point.
- If present, a sign (+ or -) for the number
must be first (+ is default).
- If present, a sign for the exponent must
immediately follow the e or E.
Field Description Valid Characters Notes