GE P24DM - Page 10

8.1 Pole Dead Logic 265
9 System Checks 266
9.1 System Checks Implementation 266
9.1.1 VT Connections 266
9.1.2 Voltage Monitoring 266
10 Switch Status and Control 267
10.1 Switch Status Logic 268
10.2 Switch Control Logic 269
Chapter 14 Supervision 271
1 Chapter Overview 273
2 DC Supply Monitor 274
2.1 DC Supply Monitor Implementation 274
2.2 DC Supply Monitor Logic 275
3 Voltage Transformer Supervision 276
3.1 Loss of One or Two Phase Voltages 276
3.2 Loss of all Three Phase Voltages 276
3.3 Absence of all Three Phase Voltages on Line Energisation 276
3.4 VTS Implementation 277
3.5 VTS Logic 277
3.6 VTS Acceleration Indication Logic 279
4 Current Transformer Supervision 280
4.1 CTS Implementation 280
4.2 CTS Logic 280
4.3 Application Notes 281
4.3.1 Setting Guidelines 281
5 Trip Circuit Supervision 282
5.1 Trip Circuit Supervision Scheme 1 282
5.1.1 Resistor Values 282
5.1.2 PSL for TCS Scheme 1 283
5.2 Trip Circuit Supervision Scheme 2 283
5.2.1 Resistor Values 284
5.2.2 PSL for TCS Scheme 2 284
5.3 Trip Circuit Supervision Scheme 3 285
5.3.1 Resistor Values 285
5.3.2 PSL for TCS Scheme 3 286
5.4 Trip Circuit Supervision Scheme 4 286
5.4.1 Resistor Values 287
5.4.2 PSL for TCS Scheme 4 287
Chapter 15 Digital I/O and PSL Configuration 289
1 Chapter Overview 291
2 Configuring Digital Inputs and Outputs 292
3 Scheme Logic 293
3.1 PSL Editor 294
3.2 PSL Schemes 294
3.3 PSL Scheme Version Control 294
4 Configuring the Opto-Inputs 295
5 Assigning the Output Relays 296
6 Fixed Function LEDs 297
6.1 Trip LED Logic 297
7 Configuring Programmable LEDs 298
8 Function Keys 300
9 Control Inputs 301
10 Inter-PSL Inputs and Outputs 302
Contents P24xM
viii P24xM-TM-EN-2.1