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Function Blocks
TCPW Function Block
398
HC900 Hybrid Control Designer Function Block Reference Guide
Revision 11
2/07
Sequence
Number
Parameter
Field
Action Selections
Comments
3
Type in the address of
the register (in Hex) on
the slave device
4
From the drop down
menu, select the
Register Data Type
•
Float
•
Unsigned 32
•
Signed 32
•
Unsigned 16
•
Signed 16
Several standard
Modbus RTU function
codes are supported.
These standard
function codes provide
basic support for IEEE
32-bit floating point
numbers and 16-bit
integer register
representation of
instrument’s process
data. (see Sequence
Number 5 below)
5
The function code for
“Unsigned 16 or
Signed 16
register data
type is (06)*
The function code for
“Float, Unsigned 32 or
Signed 32
register data
type is (10 hex)*
*
automatically selected
when you select
“Register Data Type”
•
Preset Single
Registers –
Function Code
06
•
Preset Multiple
Registers –
Function Code
10 hex
Function code 06
presets integer value
into a single register.
Function Code 10 hex
presets values into
holding registers.
NOTE: Refer to the
Communications
manual for the function
codes supported by the
specific device.
6
You must press [APPLY] to accept the register changes.