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Function Blocks
TCPS Function Block
390
HC900 Hybrid Control Designer Function Block Reference Guide
Revision 11
2/07
GENERAL tab
It looks like this graphically.
H
Table 111 describes the parameters and the value or selection.
Table 111 TCPS Block General tab configuration parameters
Properties Function
Parameter
Index #
Parameter Description
Value or Selection
Configure Modbus
Slave
Slave Tag
Name
1
Description of Slave
Device
16-character tag name
Slave address and Tag Name
must be unique within a control
file.
Modbus
Address
0
Unit address of slave
Leave at 0 unless manufacturer
of the slave device states
otherwise.
Modbus/TCP
Address
2
IP Address of Slave
device on the link
Enter unique address (Cannot
be all 0.0.0.0 or
255.255.255.255)
Default IP address = 0.0.0.0
which means slave will
NOT
be
in scan
Modbus Double
Register Format
Each IEEE 32-bit floating point number requires two consecutive registers (four bytes)
starting with the register defined as the starting register for the information. The stuffing
order of the bytes into the two registers differs among Modbus hosts. The selections are:
Selection Description Byte
order
FP B
Floating Point Big Endian Format
4, 3, 2, 1
FP BB
Floating Point Big Endian with byte-swapped
3, 4, 1, 2
FP L
Floating Point Little Endian Format
1, 2, 3, 4
FP LB
Floating Point Little Endian with byte-swapped
2, 1, 4, 3