Sel 551 - Page 200

A.4
SEL-551 Relay Instruction Manual Date Code 20110408
Firmware and Manual Versions
Instruction Manual
20080104
Section 1
➤ Removed Figure 1.1: SEL-551 Front Panel.
Section 2
➤ Corrected JMP12 to be JMP14.
Section 3
➤ Corrected table number references for Relay Word bits and their descriptions to Table 4.5: SEL-551 Relay
Word B its and Table 4.6: Relay Word Bit Definitions.
Section 4
➤ Corrected table number references for Relay Word bits and their descriptions to Table 4.5: SEL-551 Relay
Word B its and Table 4.6: Relay Word Bit Definitions.
➤ Added Row 0 note for Table 4.5: SEL-551 Relay Word Bits.
Section 5
➤ Corrected table number references for Relay Word bits and their descriptions to Table 4.5: SEL-551 Relay
Word B its and Table 4.6: Relay Word Bit Definitions.
Section 6
➤ Corrected table number references for Relay Word bits and their descriptions to Ta b l e 4 .5: SEL-551 Relay
Word B its and Table 4.6: Relay Word Bit Definitions.
Section 7
➤ Corrected table number references for Relay Word bits and their descriptions to Ta b l e 4 .5: SEL-551 Relay
Word B its and Table 4.6: Relay Word Bit Definitions.
Appendix A
➤ Updated for firmware version R513.
20071025
Section 1
➤ Added the 110 Vdc option to Optoisolated Inputs information in Specifications.
20070709 Overall, manual updated for splitting the SEL-551 manual from the SEL-551C manual. This manual now is for the
SEL-551. A separate manual has been created for the SEL-551C relays.
Section 1
➤ Listed major differences for the SEL-551C, compared to the SEL-551 updated.
➤ Removed SEL-551C front-panel drawing and hardware overview.
➤ Removed certain specifications in General Specifications noted for the SEL-551C.
➤ Updated 5 A nominal current input specification to include accuracy range.
➤ Removed UL/CSA temperature rating (SEL-551C only).
Section 2
➤ Removed SEL-551C rear-panel drawing and detailed hardware differences such as the SEL-551C having only
conventional terminal blocks.
➤ Removed EN-61010-1 and the SEL-551C subsection concerning SEL-551C compliance with EN (European
Norm) 61010-1 requirements.
➤ Added information noting that level sensitive inputs are not jumper selectable.
Section 3
➤ Removed SEL-551C relay digital I/O information to the Optoisolated Inputs and Output Contacts subsection.
➤ Remove the explanation on the programmable alarm output contact feature in the SEL-551C.
➤ Removed the Latch Control Switch subsection for latch bits LT1–LT8 (SEL-551C only).
➤ Added information to Lockout State 'A new reclose initiation occurs while the reclosing relay is timing on an
open interval'.
Table A.2 Instruction Manual Revision History (Sheet 2 of 8)
Revision Date Summary of Revisions