Schweitzer Engineering Laboratories SEL-421-4 - Table 11.72 Time and Date Management; Table 11.73 Remote Axion Status; Table 11.74 Additional Inputs and Outputs

11.79
Date Code 20171021 Instruction Manual SEL-421 Relay
Relay Word Bits
Row Lists
398 CNR2AB Control AB negative-sequence right blinder
398 CNR2BC Control BC negative-sequence right blinder
399 CNR2CA Control CA negative-sequence right blinder
Table 11.72 Time and Date Management
Row Name Description
400 PTPSYNC Synchronized to a high quality PTP source
400 PTP_TIM A valid PTP time source is detected
400 PTP_SET Qualify PTP high accuracy time source
400 PTP_RST Disqualify PTP high accuracy time source
400 PTP_OK PTP is available and has sufficient quality
400 PTP_BNP Bad jitter on PTP signals and the PTP signal is lost afterwards
400 P5ABSW Port 5A or 5B has just become active
Table 11.73 Remote Axion Status
Row Name Description
403 IO300OK Communications status of Interface Board 300 when installed or commissioned
403 IO400OK Communications status of Interface Board 400 when installed or commissioned
403 IO500OK Communications status of Interface Board 500 when installed or commissioned
* Reserved
* Reserved
* Reserved
* Reserved
* Reserved
Table 11.74 Additional Inputs and Outputs
Row Name Description
404 IN401-408 Optional I/O Board 3 Input 1–8
405 IN409-416 Optional I/O Board 3 Input 9-16
406 IN417-424 Optional I/O Board 3 Input 17–24
407 * Reserved
408 IN501-508 Optional I/O Board 4 Input 1–8
409 IN509-516 Optional I/O Board 4 Input 9-16
410 IN517-524 Optional I/O Board 4 Input 17–24
411 * Reserved
412 OUT401-408 Optional I/O Board 3 Output 1–8
413 OUT409-416 Optional I/O Board 3 Output 9-16
414 OUT501-508 Optional I/O Board 4 Output 1–8
415 OUT509-516 Optional I/O Board 4 Output 9-16
Table 11.71 Full-Cycle Mho and Quad Distance (Sheet 2 of 2)
Row Name Description