Nova-Tech LMI Series HH Metering Pump - Manual (Page 28)

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Batch Accumulate
The Batch Accumulate function allows you to opt to have any
extra input pulses received in the multiply mode accumulate up to
a maximum batch of 999. If Batch Accumulate is enabled and
a pulse is received during the countdown, the programmed
multiply value will be added to the current displayed value. Pulses
causing the maximum batch of 999 to be exceeded will result in
an E4 error message. When Batch Accumulate is enabled, the
LCD screen alternates between the current multiply value and
"ACC"
EXT
X
. The Batch Accumulate function is activated
in the Setup Menu (see Section 13).
12.3 Programming the mA Response
The HH9 pump accepts a 0-20 mA or 4-20 mA signal directly. The
response to this signal is fully programmable. In the mA mode, the
pump speed is determined by the programmed response curve, as
defined by points "P1" and "P2." The factory default set values for
P1 and P2 are (4 mA, 0 SPM) and (20 mA, 100 SPM) respectively.
This is illustrated in Figure 12.
While in the mA mode, the pump speed
MIN
mA EXT and the mA value
mA
are displayed alternately every four (4) seconds while the
pump is running.