WM44-P control unit
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Catalog excerpts

WM44-P control unit - 1

Anemometer with alarm function WM44-P The WM44-P wind speed and alarm unit, combines a highly accurate indicator with dual set point alarm relays. Specially designed to work with 4403 3-cup rotor, it’s also compatible with most common wind sensors. Two programmable set points (ALARM1 & ALARM2).This instrument can be easily mounted in any instrument panel, cabinet doors, and various industrial enclosures. Specially developed for the tower crane sector.       Button to rapidly switch between km/h and Mph 3 digit LED display 4 button-keyboard to perform various functions 2 independent alarm set points Compatible with most common wind sensors The 96x48mm case is particularly suitable for mounting in mosaic panels or insulative panels PANEL VIEW  3 digit LED display (14 mm digit height).  2 LED alarm status indicator (AL1 & AL2)  LED speed unit indicator (Mph or Km/h)  Press the “select” button on the unit to switch between a readout in Mph or Km/h Each set point, offers a user adjustable time delay to determine when the relay should operate after the set point has been exceeded so if the wind speed drops below the set point speed before the time delay expires, then the alarm relay will not be activated. When the wind speed falls and remains below the alarm set point also for a brief period of time, the alarms will be deactivated. The activation of ALARM 2, deactivates ALARM 1 . When ALARM 2 is on , the displays reading flashes to warn the operator of imminent danger. Selectable alarm type : intermittent, continuous, latched.The alarm relays are equipped with free-voltage contacts. Each output relay, can be normally energized or de-energized at tripping. In the latching mode, the alarm 2 relay energizes when the wind speed set point is exceeded and remains energized until the equipment is switched off. ANEMOMETRICS SENSOR Compatible with most common wind sensors:  Sensor power supply: 20V or 10Vdc  Type : 3 or 2 wires (see the wiring diagram)  RECOMMENDED working with our Anemo 4403 sensor device 1 Nuova CEVA Automation. Via G.B. Signini 43. Briga Novarese (NO) ITALY Tel. +39 0322 93574 Fax +39 0322 953787 info@

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WM44-P control unit - 2

USER PREDEFINED INSTALLING CONFIGURATION Apart from user programmed parameters, you can save another alternative configuration, and you can recover it as many times you want, going back to P00 program step (option 4). PROGRAMMING To access the configuration buttons, lever up the frontal cover in the lower crack indicated by “open to program”. To enter the configuration mode, press Enter and Escape buttons simultaneously for more than 2 seconds. Function buttons in program mode: Button Increase program steps (P00,P01..), options or thresholds to program Decrease program steps, options or...

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WM44-P control unit - 3

Available input voltage Vac 24 o 110/220 – Vdc 12 o 24 Power consuption <3,5 VA Input signal sine, square, triangle, periodic waveforms signals from 1 to 750mHz – from 5 to 35 Vcc or from 4 to 24Vca Input impedance for Anemo4403 o Namur: 1000Ω / direct output signal: 10Kohm Direct output signal: 10Kohm Input types: 2 wire sensor (like Anemo4403) –3 wire sensors (pnp,npn...) – Namur – Direct output signal Output sensor power supply 10 or 20Vcc (±10%) Working temperature da 0° a 60°C Reading resolution (100hz=100km/h) ±1 Maximum speed 999km/h – 620MPH Relay contacts 4A 250Vca Non condensable...

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WM44-P control unit - 4

Accessories Screw connectors The connection of displayis is made through the practical numbered connectors with screw terminal Support spring The panel mounting is facilitated by a retaining spring that is placed in the back panel Optional Items Protective Screen IP65 with protective glass cover. Cabin case It's available a case in aluminum with articulated arm to install inside of cabins cranes and mobile cranes. External enclosure in stainless steel As a container for optional external enclosure is available in stainless steel with transparent porthole that allows to see the internal...

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Optional Items On request, are available pre-assembled equipment for crane consists of:     Anemometer SAG105WR with pulse output or ANEMO4403 Box stainless steel exterior with transparent window for display view Display Warning lights for the alarm Component wiring ORANGE flash Buzzer 5 Nuova CEVA Automation. Via G.B. Signini 43. Briga Novarese (NO) ITALY Tel. +39 0322 93574 Fax +39 0322 953787 info@nuovaceva.it www.nuova

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