Practical Control Solutions Pty Ltd

Power Electronics, Process Control, Instrumentation

Quality Products, Great Service

M81 Compact Multifunction Controller for Advanced Process Control

M81 controller picture

M81 Programmable Compact Controller

DIN Rail Mount controller
- 8 temperature probes and 4 high level analogue inputs
- 12 configurable digital inputs
- Up to 4 Voltage analogue outputs
- 10 Digital outputs
- Off-the shelf modular and customizable product
- Programming according to IEC61131-3 standards
- On-board Ethernet and serial ports
for I/O expansion, programming and configuration
- Customizable SMS alarm handling
- Connectable to SCADA, Operator panels or mobile devices

Process inputs:
8 temperature probes inputs
- NTC 103AT-2 (10KΩ @ 25 °C)
- RTD: Pt1000 (1000 Ω @ 0° C)

4 High level inputs:
- Voltage (V): 0...10 V
- Current (mA): 0/4...20 mA
- Ratiometric (5 V ref.)

12 configurable digital inputs:
- Free Voltage
3 Groups of 4 channels each
I/Os may be increased with expansion and remote modules

Process outputs:
Up to 4 analogue outputs:
- Voltage (V): 0...10 V

10 Digital outputs:
2 Relays
- RELAY SPDT, 5A-AC1
8 Relays
- RELAY SPST-NO, 2A-AC1
I/Os may be increased with expansion and remote modules

Power supply:
- 24VDC/VAC

Functions:
Versatile and freely programmable control system
Integrated control functions (with enhanced PID )
Programmer, batch and logical (PLC)
Free cooling function, when external condition allow, without switching-on the refrigerating units

Communication and programming interfaces:
- RS485
- RS485/RS232
Modbus RTU master/slave or serial ASCII
- Ethernet port: 10/100 Base T
- USB port for data logging and configuration

Programming/configuration tools:
- Programming software according to IEC61131-3 standards

Installation:
DIN RAIL 35 x 7.5mm (EN50022)

Connections:
Signals connection: Extractable 2.5mm² screw terminals block

Display and indicators:
- High resolution data visualization with colour touch screen display
(sold separately)

Connectable to:
- SCADA for monitoring, traceability and remote management

Just some of the possible applications:
- Multicompressor power stations
- Food holding and ripening cabinets
- Storage cabinets for fruits and vegetables
- Thermal power stations
- Boilers and steam generators