... tool (PCS- Studio) Appendix A Glossary Describes the abbreviations adopted in this manual Document Revision History PN: ZL _PCS- 902S_ X_ Technical Manual_ EN_ Overseas General _X Current version: R1. 20. .. Relay Date: 202 0-02-27 Preface ⚫ Signal input SIG ⚫ Setting input SET ⚫ xxx Enable input EN ⚫ xxx xxx Timer Optional definite-time or inverse-time characteristics Timer t t ⚫ Timer Fixed delay... overview of PCS- 902S 1-3 PCS- 902S Line Distance Relay Date: 202 0-06-01 1-a Introduction 1-b PCS- 902S Line Distance Relay Date: 202 0-06-01 Introduction 1.1 Application PCS- 902S protect