EK280
Application Manual
126
b) The "
internal modem
" interface, the Modbus parameters and the connection parameters for Modbus
operation via internal modem are preset in this parameter file.
c) Customized settings can be set using enSuite.
To do this select "
Navigation
" on the left-hand side and then "
Parameterize online
" at the bottom of the
navigation window. Under "
Parameters
"
> "
Interfaces
" > "
internal modem
" > "
Modbus
"
you will find the
parameters required for this application.
The following Modbus parameters are set by default via parameter file (see chapter 8.1.6.2, paragraph "a)"):
Short
Desc.
Description
Address Value
Content
MBTrM
Transfer mode
2:7B1
2
2: TCP - Transmission as for RTU mode with
additional information for Modbus TCP protocol
MBDir
Data direction
2:7B0
1
0: H word first
The most significant word is
located in the first register
1: L word first
The least significant word is
located in the first register
Info: "H-Byte first" has a fixed setting
MBAdr
Device
address
(Modbus Slave ID)
2:7B2
1*
Value range from 1…247 (0 = "Broadcast")
MBRSz
Register size
2:7B8
2
2: Register size 2Byte/16Bit
MBAMd
Addressing mode
2:7B9
0
0: Log. Mode
see note on Chapter 8.1.5.2, paragraph "d)"
Table 5: Preset Modbus parameter
* Value to be determined by the user.
The following connection parameters for connection 1 are set by default via parameter file (see paragraph a)
of this chapter):
Short
Desc.
Description
Address
Value
Content
Event
Connection event
1:D70
2F01
Call window1 created
EvTyp
Connection event type
1:D75
1
1: Period
Iface
Connection interface
1:D72
3
3: internal modem
SuplT
Connection power supply type
1:D76
2
2: Battery operation
TypPr
Connection protocol type
1:D77
0
0: Server (protocol detection)
IPInf
Additional
information
for
the
connection
1:D79
0
0: no action
Table 6: Default connection parameters
i
For communication time window 1 (see chapter 7.1.3.1, paragraph "d)") and the correct APN Data
(see chapter 7.1.3.1, paragraph "c)") must be set.