CHAPTER A: APPENDIX A REVISION HISTORY
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL A–7
1-22 1-22
Added Clock specification to the
Introduction>Specifications>Inputs section
4-70 4-68 Added Device>Flex State setpoints description
4-101 4-98
Revised entire section Outputs>Output Relays and removed
Auxiliary Output relays sub-section
4-252 4-250
Replaced drawing 892745B1.cdr with 894059A2.cdr in
Monitoring>Power Factor section
4-329 4-335 Updated figure 4-141 to add text "4) A maintenance..."
4-341 4- 339
Added a Caution note describing incorrect operation of the 850
relay auto-reclosure in Control>Autoreclose>Shot x section
5-4 5-4 Added "Flex State" status description
Table A-9: Major Updates for 850-A6
PAGE NUMBER CHANGES
Manual revision number from A5 to A6
Chapter 1 Updated some specifications: Real Power & Frequency
Chapter 3
Updated image and Test mode description for Programmable
LEDs
Chapter 4
Updated Breaker control logic diagram and added Warning
description for Synchrocheck
Ge n e r a l Minor Corrections
Table A-10: Major Updates for 850-A5
PAGE NUMBER CHANGES
Manual revision number from A4 to A5, 850 version updated to
1.2x
Chapter 1 Updated some specifications
Chapter 4
Replaced screen captures with latest version, updated flexlogic
table
Chapter 4 Modified most protection element descriptions
Ge n e r a l Minor Corrections
Table A-11: Major Updates for 850-A4
PAGE NUMBER CHANGES
Manual revision number from A3 to A4
Chapter 1
Revised specification for (59P), revised level accuracy for (51),
(51V), (50P/N/G), (50SG), (51SG) and (59P); added note to
metering section
Chapter 4
Revised Figure 57: Voltage Restraint Characteristics; removed
paragraph for Manual control; added table and paragraph for
transient recorder; revised text for multicast MAC
Table A-8: Major Updates for 850-A7
PAGE
NUMBER
(A6)
PAGE
NUMBER
(A7)
CHANGES