Contact Conditioner Properties; Timer Properties - GE P741 Technical Manual

Busbar differential protection relay
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Programmable Logic
MiCOM P741, P742, P743
1.6.15

Contact conditioner properties

Each contact can be conditioned with an associated timer that can be selected for pick up,
drop off, dwell, pulse, pick-up/drop-off, straight-through, or latching operation.
"Straight-through" means it is not conditioned in any way whereas "latching" is used to create
a sealed-in or lockout type function.
1. Select the contact name from the Contact Name list (only shown when inserting a new
symbol).
2. Choose the conditioner type required in the Mode tick list.
3. Set the Pick-up Time (in milliseconds), if required.
4. Set the Drop-off Time (in milliseconds), if required.
1.6.16

Timer properties

Each timer can be selected for pick up, drop off, dwell, pulse or pick-up/drop-off operation.
1. Choose the operation mode from the Timer Mode tick list.
2. Set the Pick-up Time (in milliseconds), if required.
3. Set the Drop-off Time (in milliseconds), if required.
P74x/EN PL/Na7
(PL) 7-11
PL

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