ABB SM2000 User Manual Supplement page 13

...2.9.5 Sterilization Fvalue Calculation – Fig 2.8
Select the F0 function
Select the temperature source
Enter the target temperature
Select a digital source such as an alarm to
reset the previous calculation and start the next
System Configuration
Common
Configuration
Group 2
Channels
Math Blocks
Math1
Enter the Z factor
Reset Src/Digital Src1
Fig. 2.8 Sterilization Fvalue Calculation
Process Group 1 Process
Group 1 Channels Group 2
I/O Functions Logic
Modules
Equations
Math2 Math3 Math4 Math5 Math6
Equation
F0(
Source Id
None
Analog i/p A1
Analog i/p A2
Analog i/p A3
Analog i/p A4
Analog i/p A5
Analog i/p A6
F0(a1,
F0(a1,121
F0(a1,121,7.5)
Digital i/p D6, None
´Rst src/Dgtl src 1
None
Reset source
2 MATH CONFIGURATION...
--->
Maths Equations
Analog I/P
Input Type 4.0 - 20.0 mA
Engineering range 0 to 20000 Litres/sec
Short tag
8 Character
Long tag
20 Characters
Filter time constant In seconds
Fault detect level (%) 110%
Broken sensor detection Upscale
11