Honeywell HC900 - Figure 15 4 ALM Function Block Example

Function Blocks
4ALM Function Block
74 HC900 Hybrid Control Designer Function Block Reference Guide Revision 11
2/07
Configurable parameters
Parameter Index # Parameter Description Value or Selection
Block Order
N/A Execution Order for Block
Read Only. To change
block order, right-click on
a Function Block and
select Execution Order.
Tag Name
n/a 16-character tag name
Descriptor
n/a Block description
Alarm type
0-3 Alarm type Disabled, Low, High
Hysteresis
4-7
Adjustable overlap of the on/off
states of the output.
0 to the span of the input
in engineering units.
Example
Use the Four Alarm function block to configure up to four alarm setpoints (Low/Low, Low -- High,
High/High) for a single input signal.
Figure 15 4ALM function block example