Installation Leaflet
IP227, Rev. AA | MCU200 |
July 07 |
MCU200 Installation, Operation & Maintenance Instructions
Contents
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
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.
Specification
Power supply | MCU 201 | 110/120 ±10% | 220/240±10% | ||
Installation category | MCU 201 | ||||
Pollution degree | MCU 201 |
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Power consumption | MCU 201 | 6VA approx at 240 Vac |
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Power supply | MCU 203 | 24V dc (20V Min, 30V Max) Supply must be floating or negative earth | |||
Current consumption | MCU 203 | 0.1A Max |
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Relay output |
| 5A at 230V ac DPCO |
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Relay state |
| Normal state selectable | |||
Relay delay |
| 0.5,2,8,30 seconds selectable. Operates for change of relay state in | |||
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| one direction only. 50msecs in other direction. (Approx.) | |||
LED indicators |
| Red for alarm, | Green for normal, | Yellow for cable fault | |
LED state |
| Green/Red indication selectable for either sensor state | |||
Sensors compatible |
| Any Mobrey ultrasonic gap, Hisens or Interface sensor | |||
Sensor frequency |
| Switch selects electronics operational at either l MHz or 3.7 MHz | |||
Cable check |
| Option selectable for certain sensors | |||
External input |
| Used to hold relay | |||
Box size |
| 200 x 120 x 75mm |
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Fixing centres |
| 188 x 188 |
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Box rating |
| IP65 Polycarbonate (clear lid) |
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Temperature |
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Holes for glands |
| 3 off 16mmØ |
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EMC |
| Emissions: | Immunity: | ||
Safety |
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