ABB Relion 670 Series Applications Manual page 474

Section 20
Basic IED functions
20.9 Signal matrix for binary outputs SMBO
20.9.1 Application
The Signal matrix for binary outputs function SMBO is used within the Application Configuration tool in
direct relation with the Signal Matrix tool. SMBO represents the way binary outputs are sent from one IED
configuration.
20.9.2 Setting guidelines
There are no setting parameters for the Signal matrix for binary outputs SMBO available to the user in
Parameter Setting tool. However, the user must give a name to SMBO instance and SMBO outputs,
directly in the Application Configuration tool. These names will define SMBO function in the Signal Matrix
tool.
20.10 Signal matrix for mA inputs SMMI
20.10.1 Application
The Signal matrix for mA inputs function SMMI is used within the Application Configuration tool in direct
relation with the Signal Matrix tool. SMMI represents the way milliamp (mA) inputs are brought in for one
IED configuration.
20.10.2 Setting guidelines
There are no setting parameters for the Signal matrix for mA inputs SMMI available to the user in the
Parameter Setting tool. However, the user must give a name to SMMI instance and SMMI inputs, directly
in the Application Configuration tool.
20.11 Signal matrix for analog inputs SMAI
20.11.1 Application
Signal matrix for analog inputs (SMAI), also known as the preprocessor function block, analyses the
connected four analog signals (three phases and neutral) and calculates all relevant information from
them like the phasor magnitude, phase angle, frequency, true RMS value, harmonics, sequence
components and so on. This information is then used by the respective functions connected to this SMAI
block in ACT (for example protection, measurement or monitoring functions).
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