Figure 2-5 Alm Function Block Example - Honeywell UMC800 Reference Manual

Function Blocks
2.6 ALM Function Block,
Example
Figure 2-5 Example 1, shows an ALM function block being used for Band Deviation Alarm - A control
loop process variable is compared to the loops working setpoint. A variable is used as the setpoint value to
allow periodic changes. (RSP enabled). The Output contains a tag identification that will be used to identify
the alarm state.
Example 2 shows an ALM function block being used to alarm on PV>SP.
CV + RSP Value
CV - RSP Value
Accessed using Variable Edit Screen
RSP Value
22
continued
Alarm State
CV
Alarm State
EXAMPLE 2
Alarm State
PV

Figure 2-5 ALM Function Block Example

Function Block Reference Guide
EXAMPLE 1
PV
Hysteresis
Out of
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