This is an advantage since all applicable functions in the IED use a single source of basevalues. This facilitates consistency throughout the IED and also facilitates a single pointfor updating values when necessary.Each applicable function in the IED has a parameter, GlobalBaseSel, defining one out ofthe twelve sets of GBASVAL functions.18.10.3 Setting guidelinesVBase: Phase-to-phase voltage value to be used as a base value for applicable functionsthroughout the IED.IBase: Phase current value to be used as a base value for applicable functions throughoutthe IED.SBase: Standard apparent power value to be used as a base value for applicable functionsthroughout the IED, typically SBase=√3·VBase·IBase.18.11 Signal matrix for binary inputs SMBI18.11.1 ApplicationThe Signal matrix for binary inputs function SMBI is used within the ApplicationConfiguration tool in direct relation with the Signal Matrix tool. SMBI represents the waybinary inputs are brought in for one IED configuration.18.11.2 Setting guidelinesThere are no setting parameters for the Signal matrix for binary inputs SMBI available tothe user in Parameter Setting tool. However, the user shall give a name to SMBI instanceand the SMBI inputs, directly in the Application Configuration tool. These names willdefine SMBI function in the Signal Matrix tool. The user defined name for the input oroutput signal will also appear on the respective output or input signal.18.12 Signal matrix for binary outputs SMBOSection 18 1MRK 505 337-UUS -Basic IED functions468Application manual