figures for the best safety performance. When the 24 V power is provided bycustomer instead of 24V_CH1/2, it shall be within the tolerance of 24 V -5%/+5%.Customer provided power0V_CH1_CH224V_CH10V_CH1_CH224V_CH20V_CH1_CH224V_CH10V_CH1_CH224V_CH20V_CH1_CH224V_CH10V_CH1_CH224V_CH20V_CH1_CH224V_CH10V_CH1_CH224V_CH2Customer_24V_CH1Customer_24V_CH2Customer_0V_CH1Customer_0V_CH2Customer_24V_CH1Customer_24V_CH2Customer_0V_CH1Customer_0V_CH2(A) (B)(C) (D)Customer provided powerES1+ES1-ES2+ES2-ES1+ES1-ES2+ES2-ES1+ES1-ES2+ES2-ES1+ES1-ES2+ES2-xx2100001572NoteIt is prohibited to connect the dual-channel switch as shown in the followingfigure, as this does not comply with the Cat.3 structure.0V_CH1_CH224V_CH10V_CH1_CH224V_CH20V_CH1_CH224V_CH10V_CH1_CH224V_CH2(A) (B)ES1+ES1-ES2+ES2-ES1+ES1-ES2+ES2-xx2100001573For more connections other than those illustrated above, carefully assess the riskbefore use and contact your local ABB for support.Continues on next page92 Product manual - OmniCore E103HAC079399-001 Revision: C© Copyright 2019-2022 ABB. All rights reserved.3 Installation and commissioning3.5.8 Descriptions for connectorsContinued