Alstom MiCOM P846, Technical Manual

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P846/EN PL/D Programmable Logic
(PL) 7-10
MiCOM P846
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 Pickup Time (in milliseconds), if required.
4. Set the Dropoff Time (in milliseconds), if required.
1.6.11 Timer properties
Each timer can be selected for pick up, drop off, dwell, pulse or pick-up/drop-off operation.
PL
1. Choose the operation mode from the Timer Mode tick list.
2. Set the Pickup Time (in milliseconds) if required.
3. Set the Dropoff Time (in milliseconds) if required.
1.6.12 Gate properties or or
A Gate may be an AND, OR, or programmable gate.
An
AND gate requires that all inputs are TRUE for the output to be TRUE.
An OR gate requires that one or more input is TRUE for the output to be TRUE.
A Programmable gate
requires that the number of inputs that are TRUE is equal to or
greater than its ‘Inputs to Trigger’ setting for the output to be TRUE.