11.24
SEL-421 Relay Instruction Manual Date Code 20171021
Relay Word Bits
Alphabetical List
OUT301–OUT308 Optional I/O Board 2 Output 1–8 218
OUT309–OUT316 Optional I/O Board 2 Output 9–16 219
OUT401–OUT408 Optional I/O Board 3 Output 1–8 412
OUT409–OUT416 Optional I/O Board 3 Output 9–16 413
OUT501–OUT508 Optional I/O Board 4 Output 1–8 414
OUT509–OUT516 Optional I/O Board 4 Output 9–16 415
P5ABSW Port 5A or 5B has just become active 400
P5ASEL Port 5A active/inactive 265
P5BSEL Port 5B active/inactive 265
P5CSEL Port 5C active/inactive 265
P5DSEL Port 5D active/inactive 265
PASSDIS Asserted to indicate PW disable 208
PB_CLSE Auxiliary CLOSE pushbutton 301
PB_TRIP Auxiliary TRIP pushbutton 301
PB1–PB8 Pushbutton 1–8 214
PB1_LED–PB8_LED Pushbutton 1–8 LED 221
PB1_PUL–PB8_PUL Pushbutton 1–8 pulse (on for one processing interval when button is pushed) 220
PB9–PB12 Pushbutton 9–12 301
PB9_LED–PB12LED Pushbutton 9–12 LED 302
PB9_PUL–PB12PUL Pushbutton 9–12 pulse (on for one processing interval when button is pushed) 303
PCN01Q–PCN08Q Protection Counter 1–8 output 142
PCN09Q–PCN16Q Protection Counter 9–16 output 143
PCN17Q–PCN24Q Protection Counter 17–24 output 144
PCN25Q–PCN32Q Protection Counter 25–32 output 145
PCN01R–PCN08R Protection Counter 1–8 reset 146
PCN09R–PCN16R Protection Counter 9–16 reset 147
PCN17R–PCN24R Protection Counter 17–24 reset 148
PCN25R–PCN32R Protection Counter 25–32 reset 149
PCT01Q–PCT08Q Protection Conditioning Timer 1–8 output 128
PCT09Q–PCT16Q Protection Conditioning Timer 9–16 output 129
PCT17Q–PCT24Q Protection Conditioning Timer 17–24 output 130
PCT25Q–PCT32Q Protection Conditioning Timer 25–32 output 131
PDEM Phase current demand picked up 90
PF3_OK Three-phase power factor OK 27
PFA_OK A-Phase power factor OK 27
PFB_OK B-Phase power factor OK 27
PFC_OK C-Phase power factor OK 27
PFRTEX Protection SEL
OGIC control equation first execution 202
PHASE_A Indicates an A-Phase fault 224
PHASE_B Indicates a B-Phase fault 224
PHASE_C Indicates a C-Phase fault 224
Table 11.1 Alphabetic List of Relay Word Bits (Sheet 24 of 34)
Name Description Row
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