Mini8 Multi-loop Controller

2 Eurotherm Business Group Mini 8 – What is it? Multi-loop(4,8,16) PID controller 8-32 Channel data acquisition Design targeted at economic multi-loop control However its feature set = 16 loop 3500 >Can satisfy demanding applications Open communications to PLCs/PCs Small compact unit >125W x 105H x 125D >DIN rail or bulkhead mounting

3 Eurotherm Business Group Basic Options Power Supply > 18Vdc to 28Vdc Standard I/O > 2off 24Vdc digital input > 2off Change-over relays, rated 1A, 42V max Communications > Modbus RTU, 3 or 5-wire EIA485 > DeviceNet > Profibus DP > Ethernet, Modbus TCP > CANopen > Additional Modbus RTU EIA232 for config/network

4 Eurotherm Business Group Input & Output Modules 4 I/O slots > Modules can be changed by technician 4 or 8 Ch.TC input > Range –77mV to +77mV > Any TC input, linear mV/mA with scaling, custom download > 42Vac/dc channel-channel isolation > Max 4 per Mini8 4 Ch. RTD input > Max 4 per Mini8 > 2, 3 or 4-wire, Linear mV/mA with scaling > 42Vac/dc channel-channel isolation

5 Eurotherm Business Group Input & Output Modules 8 Ch. digital Input > 24Vdc input > 42 Vac/dc channel-channel isolation > Max 4 per Mini8 8 Ch. logic output > OnOff or time proportioned > 42 Vac/dc isolation to system, no channel isolation > Max 4 per Mini8 8 Ch. relay output > OnOff or time proportioned > 264 Vac channel-channel isolation > Max 2 per Mini8, slots 2 & 3

6 Eurotherm Business Group Input & Output Modules 3 Ch. current transformer input > 0-50mA ac current > 8 loops heater failure detection > Isolation by CTs > Max 1 per Mini8, supports 8 loops 4 or 8 Ch. mA output > 0-20mA/4-20mA > Max 360R load > 42Vac/dc channel-channel isolation > Max 1 per Mini8, slot 4 only

7 Eurotherm Business Group Control Options 4, 8 or 16 Control loops >PID, ON/OFF >Dual channel OP (heat/cool) Advanced control features >Similar functions to 3500 >Flexible wiring of function blocks

8 Eurotherm Business Group Heater Failure Detection Partial load failure, over current, SSR short/open circuit >Rapid indication of fault Automatic load cycling algorithm for up to 8-loops >Selectable cycle time: 1s-60s >Sequentially tests each heater in turn Auto or manual commissioning Refer to technical note AP1007 for more info

9 Eurotherm Business Group Setpoint Programmer 8 Programmers >Each programmer has 1x16 segment profile >Profile SP can be wired to multiple loops >8 Profiled SPs are possible >8 Event outputs per profile

10 Eurotherm Business Group Maths, Logic and Timing Functions Maths functions >2 input x 24 >8 input multiplexor x 4 >User value x 32 >Multiple input x 4 Logic functions >2 input x 24 >8 input x 8 Timing functions >Real time clock >Timer x 8 >Counter x 2 >Totaliser x 2 Other functions include >Custom Linearisation x 2 >Switchover >Plus others

11 Eurotherm Business Group Recipes 8 Sets, each set can a given meaningful name 24 Tags(parameters) per set Typical example of Tags; Control SPs, Alarm SPs, PID values etc

12 Eurotherm Business Group Plastics Application(EC8) Standard configuration for use with VT505 or Specview >8 PID loops - TC input, Logic heat/cool outputs >Heater failure detection for 8 loops >Alarm management >Recipes Ideal for >Extrusion >Injection moulding >Thermoforming >Auxiliary equipment - Chillers, dryers etc

13 Eurotherm Business Group Runtime SCADA with Specview Compatible with EC8 configuration Mimics, recipes, alarms, trending, history Runtime supplied free on CD with Mini8 Can upgrade to Full Specview