111 (148)
Maximum
string length
If the
String
data type is selected the maximum string length must be defined. Longer strings values will
be cut.
Length
If the length is greater than 1, an array will be defined.
Limits
You can define up to 128 groups and 4096 values. The number of all scalar (non-array) values
plus the size of all arrays must not exceed 8192. Up to 4 clients can be connected to the OPC UA
server at the same time.
Settings
Below the group and value list general settings can be configured:
Port
TCP port the OPC UA server should listen on. Typically this is port 4840.
Interval
The OPC UA server updates its values in this interval in milliseconds.
User name
Part of the credentials a client may use to log in to the OPC UA server. It can consist of 4 to 16
printable non-whitespace ASCII characters.
Password
Part of the credentials a client may use to log in to the OPC UA server. The password
requirements are shown below the input field. In delivery status the password is the same as
the one you need to access the secured parts of the local website. If you don't want to change
the password you can leave the two password fields empty. In this case the current password
will be applied. Please note that you must initially change the password. If you leave the
password fields empty when storing the configuration for the first time, you will get an error
message stating that you have supplied a password that is not allowed.
Repeat password
To avoid faulty insertions the same password must be entered a second time.
Maximum number of
monitored items
This value defines the maximum number of elements that can be monitored by clients.
Application URI
prefix Application URI
suffix
The Application URI identifies the UPC UA server instance globally uniquely. It is build from a
fixed prefix and a configurable suffix. The suffic can consist of 1 to 128 characters. Allowed
characters are A-Z, a-z 0-9 and !#$%'()*+,-./:;=?@_. The suffix should be build by concatenating
the device's domain name or IP address, a colon and an application name, e.g.
192.168.0.1:
myApp
.
Security policies
OPC UA supports different security policies. These essentially describe the strength of the
encryption being used in the communication between server and client. Here you can enable
several security policies. At least one is required. Security policies without encryption and those
which use algorithms that are not considered secure anymore, should not be used in productive
systems, because doing so poses a security risk.
Upload file(s)
Here you can upload various certificate files.
Authority's certificate file
This is the certificate of the certification authority (CA). It is only
needed if the application instance certificates have been signed by a
certification authority.
Application certificate file for SecurityPolicy -
Basic128Rsa15
The application instance certificate is used to authenticate the server
with the clients and to exchange the communication keys. This
application instance certificate is used for the
SecurityPolicy -
Basic128Rsa15
.
Application certificate's private key file for
SecurityPolicy - Basic128Rsa15
This is the private key for the application instance certificate for
the
SecurityPolicy - Basic128Rsa15
.
Application certificate file for SecurityPolicy -
Basic256Sha256
This is the application instance certificate for the
SecurityPolicy -
Basic256Sha256
.
Application certificate's private key file for
SecurityPolicy - Basic256Sha256
This is the private key for the application instance certificate for
the
SecurityPolicy - Basic256Sha256
.
Firstly choose the type of file. Secondly chose a file from the local file system and press the
Start
upload
button.
Anybus Edge Gateway Reference Guide
SCM-1202-154 1.0 en-US
