CHAPTER A: APPENDIX A
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
Table A-5: Major Updates for 850-A8
PAGE
PAGE
NUMBER
NUMBER
(A7)
(A8)
4-93,
4-
4-106
4-
4-292
4-351
4-362
4-
4-378
5-
5-2
6-
6-13, 6-15
Table A-6: Major Updates for 850-A7
PAGE
PAGE
NUMBER
NUMBER
(A6)
(A7)
1-20
1-19
1-22
1-22
4-70
4-68
4-101
4-98
4-252
4-250
4-329
4-335
4-341
4- 339
5-4
5-4
Table A-7: Major Updates for 850-A6
PAGE NUMBER
Chapter 1
Chapter 3
Chapter 4
General
CHANGES
Added Analog Inputs and Analog Outputs details to
Setpoints>Inputs and Setpoints>Outputs
Added Arc Flash protection details to Setpoints>Control
Revised the FlexLogic table to add the new FlexLogic operands
Added RTD Temperature details, i.e. table
Updated Status chapter to include Arc Flash status description
Updated Metering chapter to include Arc Flash and Analog
Inputs
CHANGES
Manual revision number from A6 to A7, 850 version updated to
1.4x
Added "Flexstates" specification
Added Clock specification to the
Introduction>Specifications>Inputs section
Added Device>Flex State setpoints description
Revised entire section Outputs>Output Relays and removed
Auxiliary Output relays sub-section
Replaced drawing 892745B1.cdr with 894059A2.cdr in
Monitoring>Power Factor section
Updated figure 4-141 to add text "4) A maintenance..."
Added a Caution note describing incorrect operation of the 850
relay auto-reclosure in Control>Autoreclose>Shot x section
Added "Flex State" status description
CHANGES
Manual revision number from A5 to A6
Updated some specifications: Real Power & Frequency
Updated image and Test mode description for Programmable
LEDs
Updated Breaker control logic diagram and added Warning
description for Synchrocheck
Minor Corrections
REVISION HISTORY
A–5
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