1. 26/2704 Multi-loop Controllers
Introducing
26/2704 Multi-loop Controllers
Revised December 2000

2. 26/2704 Presentation 26/2704 Overview IO Expander Software tools
Order Coding
Series 2000
Product Line

3. 26/2704 Flexibility

4. Product Requirement Model 2704: Released for sale: April 2000
Replace existing 900EPC
Graphical user interface
Increase functionality
Provide improved user interface
120 X 160 pixel dot matrix display
Direct Vacuum Measurement
                         
Model 2604:
Released for sale: Sept 99
Similar base functionality to 2704
Dual 5 digit plus LCD display
Bridge gap between 2404 & 2704
Provide cost competitive solution

5. 26/2704 Overview Custom Displays 3 Control Loops Advanced Control
Overview of Loops
Parameter promotion
Alarm messages
User messages
3 Control Loops
PID, VP and On/Off
Autotuning
Gain scheduling
Advanced Control
Cascade
Ratio
Override
Carbon Potential
Hardware
Standard IO
2 Analog IP, 10 dig IO
5 IO Module slots
Max 5 TC/RTD inputs
Expansion IO
Din rail unit
20 Digital inputs
20 Digital outputs
24V Supply
Digital Comms
Modbus RTU slave
Profibus DP
Programmer
50 programs
500 Segments
3 profiles/program
16 event outputs
ToolKit Blocks
Analogue operations
Digital operations
Timers & totalisers
Real time clock
16 Point linearisation

6. 26/2704 Hardware Standard I/O: High resolution PV input
                                                                            
Standard I/O:
High resolution PV input
-10 to +10vdc input
1(2) Digital input
7 Bi-directional digital I/O
1 Changeover relay
I/O Expansion comms
Modular I/O :
5 I/O Slots
Most isolated 2400 modules
26/27 PV Input
26/27 Analogue Input
2 Comms Slots
2400 modules
EIA 232/485
Expansion I/O :
20 Digital inputs
20 Digital outputs

7. Additional Modules Not available on 2400
Analogue Input (AM)
Same Spec as 2404 DC input module
Slots 1,3,4 or 6
TC, RTD, mV, mA, Volts, High Z volts
PV Input (PV)
Slots 3 & 6
0.25uV Resolution
1 TC/RTD/mV/mA & Volts input
Isolated input
Dual Analogue Input (DP)
Slots 3 & 6
Inputs not isolated from each other
1 TC/RTD/mV/mA & 1 Volts input
Ideal for carbon probe input

8. Module Availability Module Order Code Displayed As Number of Channels
Change over relay
2 pin relay
Dual relay R4 R2 RR
Form C Relay
Form A Relay
Dual Relay 1 2
Triac
Dual triac T2 TT
Dual Triac
DC control D4
DC Control
DC retransmission D6
DC Retrans
PV input PV
PV Input
Triple logic input
Triple contact input TL TK
Tri-Logic IP
Tri-Contact IP 3
Triple logic output TP
Tri-Logic OP
24V transmitter supply MS
Transmitter PSU
5VdcTransducer power supply G3
Transducer PSU
10VdcTransducer power supply G5
Potentiometer input VU
Pot Input
Analogue input module
(2604/2704 dc Input) AM
DC Input
Dual PV input
(Dual Probe Input) DP
Dual PV In

9. 26/2704 Control Functions Up to 3 independent control loops
Autotune & gain scheduling
Cascade, ratio or override
Standard functions
Feedforward function
Output characterisation
PV/SP Trending per loop(2704)
Special Functions
Humidity measurement
Wet & dry technique
Carbon Potential
Zirconia input

10. 26/2704 Software Tools iTools: Used for Cloning, Configuring and
Commissioning 26/2704 instruments via
digital comms or configuration adaptor
26/2704 Upgrade Utility: Used to upgrade the firmware of the 26/2704 instruments via digital comms or configuration adaptor (separate from iTools)

11. 26/2704 Digital Communications
Slave Communications
2 Communication slots
Modbus RTU
EIA232, EIA485 2 & 4 wire
Profibus DP
High Speed(1.5mB) EIA485
Support for EI-Bisync
Orderable as special EE0430

12. Pattern Generator Can be interfaced to SP programmer
Digital
Pattern No1
D OP 1
D OP 2
D OP 8
D OP 3
D OP 4
D OP 5
D OP 6
D OP 7 ON
OFF
D OP 16
Can be interfaced to SP programmer
Used to provide advanced programmer functions
Digital pattern groups
16 patterns can be stored
Each pattern can have 16 outputs
2 patterns can be active at any time

13. Digital Programmer Timed control of a single output
Can be interfaced to SP programmer
4 outputs can be programmed
8 On/Off times
Run,hold & reset inputs
Off1
Off2
Off3
Off4
On1
On2
On3
On4

14. 26/2704 Setpoint Programmer Ideal for : Multi-variable applications
20 or 50 Programs
3 Synchronised SP profiles
500 segments
Ramp Rate or Time to Target
Program & segment names
16 Digital event outputs
8 Digital logic operations
Ideal for :
Multi-variable applications
Carburising Furnaces
Test Chambers
Autoclaves
Multi-zone applications
Creep & tensile testing
3 Zone furnaces
Semiconductor Diffusion

15. Programmer Enhancements
2704 Display
Programmer mimic
Segment names
Selectable start segment
Editing of any segment
Program user values
2 Values(0-100)
Select pattern generator
Select digital programmer

16. SP/PV Trending One trend per loop Display High & low
Adjustable in config
Time 30s-24Hrs
Adjustable on-line

17. 26/2704 Toolkit Blocks Used to create custom configurations
Equivalent to 900EPC user wiring
Provides maths & PLC functions
32 Digital operators
24 Analogue calculations
12 User values
Wire from any parameter
Wire to selected parameters
Timers & totalisers
Pattern generator
Digital programmer

18. 26/2704 Toolkit Blocks What You Get
Standard unit includes:
8 digital operations
Timers and totalizers
Toolkit I (U1) includes:
16 analog operations 16 digital operations Pattern generator Pulse programmer
4 User values
Toolkit 2 (U2) includes Toolkit 1 plus:
8 analog operations (24 total)
16 digital operations (32 total) 8 user values (12 total)

19. 26/2704 User Interface Customisation
Summary views
Loop summaries
Instrument summary view
Naming of loops
10 Promoted parameters
Parameter renaming
Setting of access levels
Others UI features
Program names
Setpoint profile names
Segment names(2704)
Renaming of alarms
Alarm messages
8 User messages

20. 26/2704 Input Operators Standard
Custom Linearisation: - Up to sixteen points - Can be applied to an input or output - Up to three separate linearisations
Thermocouple/Pyrometer Switching: - Provides a smooth transition between two inputs
Monitor Block: - Logs minimum and maximum PV values - Counts the time above a threshold - Provides a time alarm
BCD Input Block: - Calculation of decimal value from BCD input switch - Can be ‘wired’ to any value with wireable address

21. 26/2704 Timer Blocks Standard
Four timer Blocks: - Four timers available; on pulse, off delay, one shot and minimum on timer
Clock: - Real time clock (24hr) which can be used to operate other time based functions
Two alarm (clock) blocks: - Alarms can be switched on or off at a particular time and provide a digital output
Four totaliser blocks: - Provides a running total of a parameter and give an output when a pre-set total is reached

22. 2000IO Expander Compatible with 26/2704 Din-Rail mounting
Proprietary comms
24Vac/dc powered
24Vdc output
Max 20 Inputs
24Vdc isolated
Max 20 Outputs
Volt free relay
Indication of I/O status
Two versions available
10in/10out
20in/20out

23. Series 26/2704 IO Expander

24. Hardware Order Code

25. Quick Start Order Code

26. Available Documentation
Document Name
Part Number
Current Issue Number
2604 Installation and operation handbook
HA026491
1.0 August-99
2604 Engineers handbook
HA026761
2.0 December-99
2704 Installation and operation handbook
HA026502
1.0 April-2000
2704 Engineering handbook
HA026933
1.0 May 2000
2604 Data bulletin
HA026669
3.0
2704 Data bulletin
HA026916
1.0
2604 Humidity control supplement
HA026748
2604 Cascade control supplement
HA026708
2604 Override control supplement
2604 Ratio control supplement
HA026707
2000 IO Expander data bulletin
HA026907
2000 IO Expander installation manual
HA026893
2604 & 2704 Sales brochure
HA026750

27. Future 26/2704 Development 2704 user screens Master communications
2500, 2400 etc
Memory module
Devicenet connectivity
Valve position heat/cool
Pulsed burner
Gravimetric control
Digital sequencing

28. THE END