Honeywell UMC800 Reference Manual page 129

2.45 ON/OFF Function Block,
Outputs
WSP = Working Setpoint in Engineering Units for monitoring
AL1 = Alarm 1
AL2 = Alarm 2
MODE = Actual Mode encoded as follows: (Connect to Mode Flags block [MDFL] to encode mode
status.)
0.0 RSP AUTO
1.0 RSP MAN
2.0 RSP Initialization Manual (See Note 1)
3.0 RSP Local Override (See Note 1)
4.0 LSP AUTO
5.0 LSP MAN
6.0 LSP Initialization Manual (See Note 1)
7.0 LSP Local Override (See Note 1)
BCO - Back Calculation Output (for blocks used as Cascade Secondary
NOTE 1.
When a request to change from Auto to manual is received and:
- the request comes from the operator Interface, the request is ignored.
- the request comes from the Mode Switch (MDSW) function block, the request is retained and when leaving the
Initialization Mode or Local Override Mode the loop will go to manual.
Block Properties
Double click on the function block to access the function block properties dialog box.
Configuration Parameters
The ON/OFF properties dialog box is divided into four tab cards:
GENERAL
RSP
RANGE/LIMIT
ALARMS
Click on the tab to access the properties for that tab.
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Function Block Reference Guide
Function Blocks
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