Описание

Function Speed Monitor
Measuring range max. 120000 IPM
Output contacts 2 w
Enclosure design Schaltschrank
Width 22,5 mm
Type MK 9055N
According to IEC/EN 60 255-1, VDE 0435 part 303 Detection of high or low-rpm / stand still (adjustable function) Large setting range 1 ... 120.000 IPM or0.15 ... 20.000 Hz (10 ranges each) As option with input for NAMUR-sensors with sensor andwire protection against interruption and short circuit Adjustable hysteresis 0.5 ... 50 % Adjustable start up time delay 0 ... 50 s, control with external contact Adjustable monitoring time for missing input signal at functionoverfrequency, additional using as standstill level Programmable via termminals:- Alarm delay of 0 ... 100 s- with manual reset or auto reset LED-indication for auxiliary voltage, measuring input and output relay,additional LED for indication of wire- / sensor failure at NAMUR-input Auxiliary voltages AC 230 V and DC 24 V in one unit 2 changeover contacts, closed circuit operation Open circuit operation on request As option with analogue output, proportionally to speed Device available with 2 response values and seperately controlledoutput relays for under- and overfrequency see MK 9055N/5_ _ MH 9055 with wide input range for auxiliary voltage(AC/DC 24 ... 60 V or AC/DC 110 ... 230 V) 2 possible compact designsMK 9055N: Width 22,5 mmMH 9055: Width 45 mm''