Siemens S7-1200 TELECONTROL - Page 114

Program blocks
5.4 IF_CONF: SDT for the configuration data of the CP
CP 1243-7 LTE
114 Operating Instructions, 04/2017, C79000-G8976-C381-03
General parameters of the parameter fields
Each field has the following general parameters:
● Id
This parameter identifies the field and must not be modified.
● Length
This parameter indicates the length of the field. The value serves as information.
Fields with strings and / or arrays have a variable length. Due to hidden bytes, the actual
length of fields can be greater than the sum of the displayed parameters.
● Mode
The following values are permitted to these parameters:
Table 5- 2 Values of "Mode"
Value
Meaning
1 Permanent validity of the configuration data
Not relevant for the CP
2 Temporary validity of the configuration data, including deleting of existing permanent
configuration data
The permanent configuration data is replaced by the parameter fields of IF_CONF.
"APN settings"
In STEP 7, the corresponding data is located in the "Mobile wireless communications
settings" parameter area.
Table 5- 3 IF_CONF_APN
Parameter
Data type
Initial value
Description
Id
UINT
4
ID of the parameter field
Length
UINT
Length of the parameter field in bytes: 174
Mode
UINT
Validity (1, 2) - see above (general parameters)
AccesspointGPRS STRING [98] APN: Name of the access point from the mobile wireless
network to the Internet
AccesspointUser
STRING [42]
APN user name
AccesspointPassword
STRING [22]
APN password
"CP identification"
In STEP 7, the corresponding data is located in the "Security" parameter area.
Table 5- 4 IF_CONF_Login
Parameter
Data type
Initial value
Description
Id
UINT
5
ID of the parameter field
Length
UINT
Length of the parameter field in bytes: 54
Mode
UINT
Validity (1, 2) - see above (general parameters)
ModemName
STRING [22]
Access ID
ModemPassword
STRING [22]
Telecontrol password