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5-264 F35 MULTIPLE FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL

CONTROL ELEMENTS CHAPTER 5: SETTINGS

Figure 5-144: Acknowledge mode

Application example

Consider an application where the selector switch is used to control setting groups 1 through 4 in the relay. The setting

groups are to be controlled from both user-programmable pushbutton 1 and from an external device via contact inputs 1

through 3. The active setting group is to be available as an encoded three-bit word to the external device and SCADA via

output contacts 1 through 3. The pre-selected setting group is to be applied automatically after five seconds of inactivity

of the control inputs. When the relay powers up, it is to synchronize the setting group to the three-bit control input.

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GE F35 Specifications

General