Mobrey MCU200 Series Installation, Operation & Maintenance Instructions Manual

Installation Leaflet
IP227, Rev. C
March 2019
MCU200 Installation, Operation &
Maintenance Instructions
Contents
1. Sensor installation
2. Control unit installation
3. Applications:
3.1 Gain adjustment
3.2 Liquid level alarm
3.3 Pump control and latching arms
3.4 Blanket or interface detection
4. Spare parts and fault finding
Specification
Power supply
Installation category
Pollution degree
Power consumption
Power supply
Current consumption
Relay contact rating(s)
Relay state
Relay delay
LED indicators
LED state
Sensors compatible
Sensor frequency
Cable check
External input
Box size
Fixing centres
Box rating
Temperature
Holes for glands
EMC
Safety
Weight
www.delta-mobrey.com
110/120 ±10% 220/240±10%
MCU 201
II-IEC60664 for 230V ac supply III-IEC60664 for 115V ac supply
MCU 201
2-IEC60664
MCU 201
6VA approx at 240 Vac
MCU 201
24V dc (20V Min, 30V Max) Supply must be floating or negative earth
MCU 203
0.1A Max
MCU 203
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 88mm
IP65 Polycarbonate (clear lid)
-40 C to 55
o
3 off 16mmØ
EN61326
EN61010-1
equipment weight (mass) 0.700 Kg
WARNING:
If this equipment is used in a manner not specified
by the manufacturer, the protection provided may
be impaired. All installation and commissioning of
this equipment must be carried out by electrically
competent persons
Mobrey ultrasonic liquid level control
or sludge blanket or interface detection
systems using control unit type MCU200
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.
50-60 Hz
o
C ambient
MCU200