MCU3 Monitoring and Control Unit
1 to 8 channel control unit
Overview
Features & Benefits
Specifications
Overview
Our PST owned brand, Status Scientific Controls have manufactured a range of high quality single and multi-channel gas detector control panels which are used throughout the world in various different industries.
1 – 8 Channel Control Panels
Although primarily designed for use with the Status Scientific Controls range of fixed gas detectors, the MCU3 Monitoring and Control Unit provides facilities to accept up to 8 individual inputs from various types of monitoring instruments or transducers.
Features & Benefits
- Lockable mild steel passivated powder coated housing for indoor use
- Data logging and event data logging as standard
- Full calibration menu via external push buttons
- 24v D.C power supply for external visual and audible alarms
- Inbuilt battery backup
Specifications
| Size (nominal) ‘mm’ | 249 x 268 x 200(MCU1), 475 x 300 x 208(MCU3), 475 x 538 x 208 (MCU4) |
| Weight (approx) | 4Kg (MCU1), 16Kg (MCU3), 30Kg (MCU4) |
| Operating Temperature | -10ºC to +50ºC |
| Storage Temperature | -20ºC to +50ºC |
| Humidity Range | 0 to 95% R.H. Non-condensing |
| Input Voltage | 24V DC, or 120/230V AC 50/60 Hz Tolerance ± 10% |
| Environmental Rating | IP65 |
| Note: For compliance with UL3101-1 and CSA22.2 No 1010.1, the following environmental conditions apply: Indoor use; Altitude up to 2000m. Temperature 0 to 40°C. Maximum relative Humidity 80% decreasing linearly to 50% relative humidity at 40°C. Installation Category (Over Voltage Category) II. Pollution Degree 2. | |
| Display | Backlit 240 x 64 dot Liquid Crystal Display (LCD) (x2 for MCU4) |
| Keyboard | 8 button multifunction keypad (x2 for MCU4) |
| LED Indications | Red Indicates alarm condition Green Indicates power ON (flashes when powered from int. batteries) Yellow Indicates fault condition |
| Number of channels | 16 max |
| Signal Inputs 16 Max | 4-20mA Current Loop from 24V source 4-20mA Current Loop sink to 0V 3-Wire Pellistor Systems DC Voltage Input |
| Analogue Output | 4-20mA Current source proportional to detected signal. 4-20mA Current sink proportional to detected signal. 1-5V Voltage output proportional to detected signal. |
| Channel relays, 3 per channel | 1 relay assigned to each alarm level (low, medium and high) |
| Contacts | Double Pole Changeover Contacts (voltage free) |
| Rating | 5A 240V AC |
| 2 – Common Outputs | Output one for external audible alarm (200mA maximum) Output two for external visual alarm (200mA maximum) |
| External Reset | Connection for normally open switch contacts (5V max present at terminals). |
| 4 – Common Relays (MCU3/4) | 1 Relay assigned to each alarm level (low, medium, high) 1 Relay designated as fault relay Double Pole Changeover Contacts (voltage free) 8A 240V AC |
| Batteries | Sealed lead acid battery type 2 x 12V 1.2Ahr |
