BW500 and BW500/L
Operating Instructions, 12/2016, A5E33482052-AD
121
The batching process, as it relates to the BW500 operation, can be defined as the transfer of a
predetermined quantity of material.
The process supports a count up operation (P560), in that the total (totalizer 5) begins at zero
and increments up to the programmed setpoint (P564). A relay (RL1 through 5) programmed as
the batch setpoint function (P100 = 8) is actuated when the material total reaches the setpoint.
The relay contact acts as an interlock to the material feed to end the batch.
Another relay can be programmed as a pre-warn alarm (P100 = 7), to alert the process that
batch end is near. The relay is actuated when the material total reaches the prewarn setpoint
(P567) at some practical value below the batch setpoint. The pre-warn function is
enabled/disabled from the batch process through P566.
For batch operations, the following must be addressed:
● Connections
● Programming
● Operation
Note
Not available on the BW500/L
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