NLS-4C Counter-frequency meter module

Purpose:designed for counting imulses and their frequencyConnection:4 independent channels of 32 digits (2 isolated, 2 not isolated)Maximum frequency:25 kHzGalvanic isolation:isolated inputs 3.7 kV Inputs:non-isolated inputs with software-configurable logic thresholdsOutputs:2 isolated discrete outputs are available as an optionPower supply:dry contact power leadsFilter:tunable digital filterCounting:count resolution inputsTemperature:operating temperature range from -40 to +70SInterface connection:RS-485 interfaceProtocols:default protocol - DCON (ADAM-compatible) and MODBUS RTU (enabled by software)Power supply:10 to 30VPower consumption:no more than 1W Construction:slot design, bus connector for RS-485 interface and power supplyMounting:din-rail mountDimensions (H x W x D):109x22.5x113mmWarranty:18 months