CHAPTER A: APPENDIX A REVISION HISTORY
850 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL A–3
4
Revised Power Factor logic diagram to 894059A3.cdr to add setting for
signal input
4
Revised Pulsed Outputs logic diagram to 894064A2.cdr to add setting for
signal input
4
Revised Harmonic Detection logic diagram to 894001A2.cdr to correct
output relay numbering.
4 Added new Local Control Mode section, see Setpoints > Control
4 Added new Breaker Control section, see Setpoints > Control
4
Added new Switch Control (for disconnect switch control) section to
Setpoints > Control > Switch Control
4 Added new Pole Discordance section to Setpoints > Control
4 Added new CT Supervision section to Setpoints > Control
4 Added new Ethernet Loopback test section to Setpoints > Testing
Table A-3: Major Updates for 850-AA
PAGE
NUMBER
(A9)
PAGE
NUMBER
(AA)
CHANGES
cover cover
Manual revision number from A9 to AA, 850 version updated to
1.7x
1-22 1-22
Changed Time Delay to 200,000,000 ms for Introduction >
Specifications > User-Programmable Elements > FlexCurves
2-9 2-10
Replaced Typical Wiring diagram (892771A6.cdr) with new
Typical Wiring diagram 892768A1.pdf
4-, 5-, 6-,
7-
4-, 5-, 6-,
7-
Removed the HMIs associated with the path descriptions in
each chapter
4-27 4-27
Replaced single communications card option with two
communications card options for "S" and "C" in Setpoints >
Device > Communications > Ethernet Ports
- 4-6 Added new Custom Configuration section to Setpoints > Device
- 4-63
Updated Setpoints > Device > Installation to add Voltage Cutoff
and Current Cutoff settings
4-158 4-137
Revised Sensitive Ground TOC logic diagram to 894039A2.cdr
for FlexLogic operand name change
4-160 4-140
Revised Sensitive Ground IOC logic diagram to 894040A2.cdr
for FlexLogic operand name change
4-187 4-167
Replaced Cable Thermal Model section with Thermal Overload
section
- 4-261 Added new RTD Trouble section to Setpoint > Monitoring
- 4-262
Added new Loss of Communications section to Setpoints >
Monitoring
4-373 4-341 Updated the FlexLogic Operands table
4-376 4-346
Removed Cable Thermal Model from the FlexLogic Operands
table and added Thermal Overload
Table A-2: Major Updates for 850-AB
Chapter SECTION and CHANGES