Honeywell UMC800 Reference Guide

Contents
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2.32 LSEL Function Block...................................................................................................................92
2.33 LTCH Function Block..................................................................................................................93
2.34 MATH Function Block.................................................................................................................95
2.35 MDSW Function Block................................................................................................................98
2.36 MDFL Function Block ...............................................................................................................100
2.37 MMA Function Block.................................................................................................................102
2.38 MSF Function Block...................................................................................................................106
2.39 MUL Function Block..................................................................................................................109
2.40 4MUL Function Block................................................................................................................111
2.41 NEG Function Block ..................................................................................................................112
2.42 NOT Function Block ..................................................................................................................113
2.43 ONDT Function Block ...............................................................................................................114
2.44 OFDT Function Block................................................................................................................116
2.45 ON/OFF Function Block ............................................................................................................118
2.46 2OR Function Block...................................................................................................................128
2.47 4OR Function Block...................................................................................................................130
2.48 8OR Function Block...................................................................................................................132
2.49 PB Function Block......................................................................................................................134
2.50 PID Function Block....................................................................................................................138
2.50.1 Example 1 - Basic PID Configuration Example..................................................................153
2.50.2 Example 2 - Duplex Control -
PID with Heat/Cool (Duplex) Output
.................................154
2.50.3 Example 3 - Cascade Control..............................................................................................155
2.50.4 Example 4 - Ratio Control...................................................................................................156
2.50.5 Example 5 - Cascade Control of a Boiler Drum Level - Basic ...........................................157
2.50.6 Example 6 - Cascade Control of a Boiler Drum Level - 3 Element Feedwater Control...158
2.51 PT Function Block......................................................................................................................159
2.52 RCON Function Block ...............................................................................................................162
2.53 RCP Function Block...................................................................................................................164
2.54 RH Function Block.....................................................................................................................166
2.55 ROC Function Block ..................................................................................................................168
2.56 RSW Function Block..................................................................................................................171
2.57 RTMR Function Block...............................................................................................................173
2.58 SCB Function Block...................................................................................................................175
2.59 SPEV Function Block.................................................................................................................177
2.60 SPP Function Block....................................................................................................................180
2.60.1 Example 1 - PID with Setpoint Programmer and Guaranteed Soak....................................185
2.60.2 Example 2 - PID with Setpoint Programmer and Event Outputs........................................186
2.60.3 Example 3 - Alternate Methods for Actuating SP Programmer START, HOLD, and RESET
Functions.............................................................................................................................................187
2.60.4 Example 4 - Using the Setpoint Programmer AUX Output ................................................188
2.60.5 Example 5 - Controlled Restart after Power Loss...............................................................189

Honeywell UMC800 Specifications

General

Brand	Honeywell
Model	UMC800
Category	Controller
Language	English