Schweitzer Engineering Laboratories SEL-421-4, Instruction Manual

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11.59
Date Code 20171021 Instruction Manual SEL-421 Relay
Relay Word Bits
Row Lists
239 VB193–VB200 Virtual Bits 193–200
240 VB185–VB192 Virtual Bits 185–192
241 VB177–VB184 Virtual Bits 177–184
242 VB169–VB176 Virtual Bits 169–176
243 VB161–VB168 Virtual Bits 161–168
244 VB153–VB160 Virtual Bits 153–160
245 VB145–VB152 Virtual Bits 145–152
246 VB137–VB144 Virtual Bits 137–144
247 VB129–VB136 Virtual Bits 129–136
248 VB121–VB128 Virtual Bits 121–128
249 VB113–VB120 Virtual Bits 113–120
250 VB105–VB112 Virtual Bits 105–112
251 VB097–VB104 Virtual Bits 097–104
252 VB089–VB096 Virtual Bits 089–096
253 VB081–VB088 Virtual Bits 081–088
254 VB073–VB080 Virtual Bits 073–080
255 VB065–VB072 Virtual Bits 065–072
256 VB057–VB064 Virtual Bits 057–064
257 VB049–VB056 Virtual Bits 049–056
258 VB041–VB048 Virtual Bits 041–048
259 VB033–VB040 Virtual Bits 033–040
260 VB025–VB032 Virtual Bits 025–032
261 VB017–VB024 Virtual Bits 017–024
262 VB009–VB016 Virtual Bits 009–016
263 VB001–VB008 Virtual Bits 001–008
Table 11.47 Relay Word Bits: Ethernet Switch (Sheet 1 of 2)
Row Name Description
264 LINK5A Link status of Port 5A connection
264 LINK5B Link status of Port 5B connection
264 LINK5C Link status of Port 5C connection
264 LINK5D Link status of Port 5D connection
264 LINKFAIL Link status of the active port
264 * Reserved
264 * Reserved
264 * Reserved
265 P5ASEL Port 5A active/inactive
265 P5BSEL Port 5B active/inactive
265 P5CSEL Port 5C active/inactive
265 P5DSEL Port 5D active/inactive
265 * Reserved
Table 11.46 Relay Word Bits: Virtual Bits (Sheet 2 of 2)
Row Name Description