Max3 Function Block - ABB RELION 620 Series Technical Manual

1MRS757644 F
3.17.1.5
620 series
Technical Manual
Functionality
NOT is used to generate combinatory expressions with Boolean variables.
NOT inverts the input signal.
Signals
Table 114: NOT Input signal
Name Type
I BOOLEAN
Table 115: NOT Output signal
Name
O
Settings
The function does not have any parameters available in LHMI or PCM600.

MAX3 function block

Function block
GUID-5454FE1C-2947-4337-AD58-39D266E91993 V1 EN
Figure 67: Function block
Functionality
The maximum function MAX3 selects the maximum value from three analog values.
Disconnected inputs and inputs whose quality is bad are ignored. If all inputs are
disconnected or the quality is bad, MAX3 output value is set to -2^21.
Signals
Table 116: MAX3 Input signals
Name Type
IN1 FLOAT32
IN2 FLOAT32
IN3 FLOAT32
Default
0
Type
BOOLEAN
Default
0
0
0
Section 3
Basic functions
Description
Input signal
Description
Output signal
Description
Input signal 1
Input signal 2
Input signal 3
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