Emerson MCU200 User Manual

Each Mobrey  ultrasonic control system requires a sensor to
suit the specific application, plus a control unit.

These installation  instructions cover the Mobrey control units
in the MCU200 series.

1. Sensor installation
2. Control unit installation
3. Applications:

3.1Gain adjustment
3.2Liquid level alarm
3.3Pump control and latching arms
3.4Blanket or interface detection

4. Spare parts and fault finding

Contents

Specification

110/120 ±10%

 220/240±10%

50-60 Hz

II-IEC664 for 230V ac supply  III-IEC664 for 115V ac supply

2-IEC664

6VA approx at 240 Vac

24V dc (20V Min, 30V Max) Supply must be floating or negative earth

0.1A Max

5A at 230V ac DPCO

Normal state selectable energised/de-energised

0.5,2,8,30 seconds selectable. Operates for change of relay state in
one direction only.  50msecs in other direction. (Approx.)

Red for alarm,  Green for normal,  Yellow for cable fault

Green/Red indication selectable for either sensor state

Any Mobrey ultrasonic gap, Hisens or Interface sensor

Switch selects electronics operational at either l MHz or 3.7 MHz

Option selectable for certain sensors

Used to hold relay de-energised to provide pump control

200 x 120 x 75mm

188 x 188

IP65 Polycarbonate (clear lid)

-40

o

C to 55

o

C ambient

3 off 16mmØ

Emissions:  EN50081-1

Immunity:  EN50082-1

EN61010-1

Mobrey ultrasonic liquid level control or sludge
blanket or interface detection systems using
control unit type MCU200

IP227, Rev. AA
July 07

MCU200

MCU200 Installation, Operation &
Maintenance Instructions

www.mobrey.com