• Coil (COIL): Magnetic coil flowmeter inputs (input selector switch must be set to
mV)
• Isolated active input (iSo): External power supply driven isolated pulse inputs (input
selector switch must be set to ISO)
• Active with high threshold (ActLO): External power supply driven pulse inputs with a
low threshold
• NPN with low threshold (nPnLO): Internal 3 V pull-up resistor on S+ for NPN inputs
with a low threshold
• PNP with low threshold (PnPLO): Internal pull-down resistor on S+ for PNP inputs
with a low threshold
Input level selection switch
In addition to programming the Input parameter, set the input selector switch shown
below. Input voltage level selections include mV, V and isolated voltage level inputs.
Input levelFigure 5-5:
Refer to Section 3.2 for details on wiring the input types.
Setup and programming
38 LTM Internal Display
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