R.A.64
SEL-421 Relay Reference Manual Date Code 20111215
Relay Word Bits
Row List
220 OUT216 Optional I/O Board 1 Output 16
220 OUT215 Optional I/O Board 1 Output 15
220 OUT214 Optional I/O Board 1 Output 14
220 OUT213 Optional I/O Board 1 Output 13
220 OUT212 Optional I/O Board 1 Output 12
220 OUT211 Optional I/O Board 1 Output 11
220 OUT210 Optional I/O Board 1 Output 10
220 OUT209 Optional I/O Board 1 Output 9
221 OUT308 Optional I/O Board 2 Output 8
221 OUT307 Optional I/O Board 2 Output 7
221 OUT306 Optional I/O Board 2 Output 6
221 OUT305 Optional I/O Board 2 Output 5
221 OUT304 Optional I/O Board 2 Output 4
221 OUT303 Optional I/O Board 2 Output 3
221 OUT302 Optional I/O Board 2 Output 2
221 OUT301 Optional I/O Board 2 Output 1
222 OUT316 Optional I/O Board 2 Output 16
222 OUT315 Optional I/O Board 2 Output 15
222 OUT314 Optional I/O Board 2 Output 14
222 OUT313 Optional I/O Board 2 Output 13
222 OUT312 Optional I/O Board 2 Output 12
222 OUT311 Optional I/O Board 2 Output 11
222 OUT310 Optional I/O Board 2 Output 10
222 OUT309 Optional I/O Board 2 Output 9
Table A.38 Relay Word Bits: Pushbutton Elements (Sheet 1 of 2)
Row Name Description
223 PB1 Pushbutton 1
223 PB2 Pushbutton 2
223 PB3 Pushbutton 3
223 PB4 Pushbutton 4
223 PB5 Pushbutton 5
223 PB6 Pushbutton 6
223 PB7 Pushbutton 7
223 PB8 Pushbutton 8
224 PB1_PUL Pushbutton 1 pulse (on for one processing interval when but-
ton is pushed)
224 PB2_PUL Pushbutton 2 pulse (on for one processing interval when but-
ton is pushed)
224 PB3_PUL Pushbutton 3 pulse (on for one processing interval when but-
ton is pushed)
Table A.37 Relay Word Bits: Output Elements (Sheet 2 of 2)
Row Name Description