ABB SM2000 User Manual Supplement page 10

Videographic Recorders
SM1000 and SM2000
8
Select the Math Block to configure – M1 to M12.
Set the equation using the math pad – see Fig. 2.4, page 6.
Note. Digital sources must first be assigned to a valid digital
signal – see below.
Reset Source / Digital Source 1
Set the digital source (e.g. alarm signal, real-time event) used to
reset the equation.
Select the digital signal (e.g. alarm signal, real-time event) used
as Digital Source 1 (md1) within the math block.
Note. When used in a Math Block, an active digital signal has a
numerical value of 1 and an inactive digital signal has a value of 0.
Select the digital sources (e.g. alarm signal, real-time event)
used as Digital Source 2 and 3 (md2 and md3) within the
equation.
2 Math Configuration
IM/SM2000ADV Issue 7