Setting Iec103 Parameters - Huawei SmartLogger2000 User Manual
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SmartLogger2000
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Figure 7-53 Setting Modbus TCP parameters
7.10.2.6 Setting IEC103 Parameters
Third-party devices that use the standard IEC103 interface protocol may be connected to a PV
plant. The SmartLogger can read the information about such third-party devices and upload
the information to the NetEco, thereby enhancing the PV plant solutions.
As Huawei inverter devices (such as SUN2000s) support protocols different from third-party
devices that use standard IEC103 (such as box-type transformers, combiner boxes, and
inverters), they cannot be connected in series on the same RS485 bus.
If the SmartLogger connects to the NetEco, it transparently transmits IEC103 device
information to the NetEco.
Because of permission restriction, log in as Advanced User. Choose Settings > IEC103 to
access the target page.
Issue 04 (2018-04-10)
Modbus TCP is a general standard protocol without a security authentication mechanism. To reduce
network security risks, the function of connecting to a third-party NMS using Modbus TCP is
disabled by default. To use this function, set Link setting to Enable(Limited) or
Enable(Unlimited). If you select Enable(Limited), the SmartLogger can communicate with up to
five third-party NMSs whose IP addresses are set under Modbus TCP. If you select
Enable(Unlimited), the SmartLogger can communicate with all third-party NMSs with valid IP
addresses.
If the function of connecting to a third-party NMS using Modbus TCP is enabled, data will be
transmitted without being encrypted, which may result in user data theft. Therefore, exercise caution
when deciding to enable this function.
In most cases, set Address mode to Comm. Address. If the devices connected to the COM ports of
the SmartLogger have duplicate communications addresses, you must set Address mode to Logical
address.
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