Page 24 - Seametrics Product Catalog 2015_062415

FT500-SERIES
Batch Controller

> FT520 Batch Controller > FT520-86 Flowrate Alarm
In Batch Processing Mode, the display indicates a flow rate In Flowrate Alarm Mode, the display indicates a flow rate on
on the top line, and one of three configurations on the bot- the top line, and on the bottom line, an accumulated total
tom line: an accumulated total flow (resettable), accumulat- flow (resettable). The user sets a minimum and maximum
ed batch flow, or batch process bar graph. The batch output flow rate, and if the flow exceeds the min/max paramenter,
is controlled via two relays. The main relay starts and stops relay1 or relay2 will close. The output relay will stay latched
the batch as a set, or the auxiliary “prewarn” relay can be until the flow rate increases/decreases back between the
used to operate a second valve. This allows increased ac- min/max settings.
curacy by engaging a staged shut off at the end of the batch.
Settings are:
Settings are: - SET Flow volume units
- SET Batch Size - SET Rate of flow in time base
- SET Prewarn Size - SET Decimal for rate and total to two decimals
- SET Flow volume units - SET K-factor
- SET Rate of flow in time base - SET Pulse (scaled) Output 1
- SET Decimal from whole numbers, to tenths, - SET Pulse (scaled) Output 2
- SET 20 mA Rate for maximum estimated flow
to hundreths - SET Low Flow Alarm
- SET K-factor - SET Hi Flow Alarm
- SET Pulse (scaled) Output 1 - Clear Total
- SET Pulse (scaled) Output 2
- SET 20 mA Rate for maximum estimated flow > FT522 Usage Monitor
- Clear Total In Usage Monitor Mode, the display indicates one of two con-
figurations: an elapsed time and elapsed flow, and a flow
> FT520-84 Filter Regeneration rate and accumulated total flow (resettable). A time period is
In Filter Regeneration Mode, the display indicates a flow rate set to monitor for a set maximum total flow. If the total flow
on the top line, and one of two configurations on the bottom is reached within the set time, an output relay is closed. The
line: an accumulated total flow (resettable), or batch process output relay stays latched until the system either resets au-
remainder. The regeneration process is initiated by setting tomatically after the set time, or is reset manually via Stop/
a target volume, a set value for regeneration time as well. A Start. A reset condition clears the elapsed time and flow, but
single relay or alternate relay setting allows control of either not the accumulated total flow.
single tank or alternating dual tank systems.

Settings are: Settings are:
- SET Flow volume units - SET Flow volume units
- SET Rate of flow in time base - SET Rate of flow in time base
- SET Decimal for rate and total to two decimals - SET Decimal for rate and total to two decimals
- SET K-factor - SET K-factor
- SET Pulse (scaled) Output 1 - SET Pulse (scaled) Output 1
- SET Pulse (scaled) Output 2 - SET Pulse (scaled) Output 2
- SET 20 mA Rate for maximum estimated flow - SET Time Period from 01-48 hours
- SET Regeneration Volume - SET Alarm Reset to automatic or manual
- SET Regeneration Time in seconds (3 digits) - SET Alarm Point in Flow (8 digits)
- SET Relay Mode to one or alternate relays - SET 20 mA Rate for maximum estimated flow
- Clear Total - Clear Total

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