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Honeywell UMC800 Reference Guide
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Function Blocks
3/99
Function Block Reference Guide
155
2.50
PID Function Bl
ock,
continued
2.50.3
Example 3 -
Cascade Control
The Cascade loop u
ses 2 PID block
s with
the Back Calcu
lation pi
n of t
he secon
dary con
nected to the
prim
ary l
oop. This trans
fers values
back to th
e prim
ary l
oop to adjust th
e PID for changes
due to m
anual
control.
Figure 2-49 Cascad
e Control Exampl
e
Continued next
page
164
166
Table of Contents
Default Chapter
4
Table of Contents
4
1 Introduction
11
Overview
11
Function Block Groups
12
Table 1-1 Function Block by Category
12
2 Function Blocks
15
Introduction
15
Table 2-1 Function Block Look-Up Table
15
ABS Function Block
18
Figure 2-1 ABS Function Block Example
19
ADD Function Block
20
Figure 2-2 ADD Function Block Example
20
4ADD Function Block
21
Figure 2-3 4ADD Function Block Example
22
AI Function Block
23
Table 2-2 Analog Input Configuration Parameters
24
Table 2-3 Input Types and Ranges
26
Figure 2-4 AI Function Block Example
28
ALM Function Block
29
Table 2-4 Analog Alarm Configuration Parameters
31
Figure 2-5 ALM Function Block Example
32
AMB Function Block
33
Table 2-5 General Tab Configuration Parameters
34
Table 2-6 Range/Limit Tab Configuration Parameters
35
Table 2-7 Alarm Tab Configuration Parameters
37
Figure 2-6 AMB Function Block Example
38
2AND Function Block
39
Figure 2-7 2AND Function Block Example
40
4AND Function Block
41
Figure 2-8 4AND Function Block Example
42
8AND Function Block
43
Figure 2-9 8AND Function Block Example
44
AO Function Block
45
Table 2-8 Analog Output Configuration Parameters
46
Figure 2-10 AO Function Block Example
46
ASYS Function Block
47
Table 2-9 Analog System Status Block Outputs
47
BCD Function Block
48
Figure 2-11 BCD Function Block Example
49
BOOL Function Block
50
Table 2-10 BOOL Function Block Configuration Parameters
52
Figure 2-12 BOOL Function Block Example
52
CARB Function Block
53
Table 2-11 General Tab Configuration Parameters
56
Table 2-12 RSP Tab Configuration Parameters
58
Table 2-13 Range/Limit Tab Configuration Parameters
60
Table 2-14 Tuning Tab Configuration Parameters
61
Table 2-15 Accutune Tab Configuration Parameters
64
Table 2-16 Alarms Tab Configuration Parameters
66
Table 2-17 Carbon Potential Tab Configuration Parameters
68
Figure 2-13 CARB Function Block Examples
69
CMPR Function Block
70
Figure 2-14 CMPR Function Block Example
70
DCMP Function Block
71
Table 2-18 DCMP Configuration Parameters
72
Figure 2-15 DCMP Function Block Example
72
DEWP Function Block
73
Table 2-19 Dewpoint Function Block Parameters
74
Figure 2-16 DEWP Function Block Example
75
DI Function Block
76
Table 2-20 Digital Input Configuration Parameters
77
Figure 2-17 Digital Input Function Block Example
77
DIV Function Block
78
Figure 2-18 DIV Function Block Example
78
DO Function Block
79
Table 2-21 Digital Output Configuration Parameters
80
Figure 2-19 DO Function Block Example
80
DSW Function Block
81
Figure 2-20 DSW Function Block Example
81
FGEN Function Block
82
Table 2-22 Function Generator Configuration Parameters
84
Figure 2-21 FGEN Function Block Example
85
FSS Function Block
86
Table 2-23 Four Selector Switch Configuration Parameters for Operator Interface Display
87
Figure 2-22 FSS Function Block Example
88
FSYS Function Block
89
Table 2-24 Fast Logic System Status Block Outputs
89
HLLM Function Block
90
Table 2-25 High Low Limit Configuration Parameters
91
Figure 2-23 HLLM Function Block Example
91
HMON Function Block
92
Table 2-26 High Monitor Function Block Configuration Parameters
93
Figure 2-24 HMON Function Block Example
93
HSEL Function Block
94
Figure 2-25 HSEL Function Block Example
94
LDLG Function Block
95
Table 2-27 Lead Lag Configuration Parameters
96
Figure 2-26 LDLG Function Block Example
97
LMON Function Block
98
Table 2-28 Low Monitor Function Block Configuration Parameters
99
Figure 2-27 LMON Function Block Example
99
LPSW Function Block
100
Figure 2-28 LPSW Function Block Example
101
LSEL Function Block
102
Figure 2-29 LSEL Function Block Example
102
LTCH Function Block
103
Figure 2-30 LTCH Function Block Example
104
MATH Function Block
105
Table 2-29 Math Function Block Configuration Parameters
107
Figure 2-31 MATH Function Block Example
107
MDSW Function Block
108
Figure 2-32 MDSW Function Block Example
109
MDFL Function Block
110
Figure 2-33 MDFL Function Block Example
111
MMA Function Block
112
Table 2-30 Min/Max/Ave/Sum Function Block Configuration Parameters
114
Figure 2-34 MMA Function Block Example
115
MSF Function Block
116
Table 2-31 Mass Flow Function Block Configuration Parameters
117
Figure 2-35 MSF Function Block Example
118
MUL Function Block
119
Figure 2-36 MUL Function Block Example
120
4MUL Function Block
121
Figure 2-37 4MUL Function Block Example
121
NEG Function Block
122
Figure 2-38 NEG Function Block Example
122
NOT Function Block
123
Figure 2-39 NOT Function Block Example
123
ONDT Function Block
124
Table 2-32 on Delay Timer Function Block Example
125
Figure 2-40 ONDT Function Block Example
125
OFDT Function Block
126
Table 2-33 off Delay Timer Configuration Parameters
127
Figure 2-41 OFDT Function Block Example
127
ON/OFF Function Block
128
Table 2-34 General Tab Configuration Parameters
131
Table 2-35 RSP Tab Configuration Parameters
132
Table 2-36 Range/Limit Tab Configuration Parameters
134
Table 2-37 Alarm Tab Configuration Parameters
136
Figure 2-42 ON/OFF Function Block Example
137
2OR Function Block
138
Figure 2-43 2OR Function Block Example
139
4OR Function Block
140
Figure 2-44 4OR Function Block Example
141
8OR Function Block
142
Figure 2-45 8OR Function Block Example
143
PB Function Block
144
Table 2-38 Pushbutton Function Group Configuration
145
Figure 2-46 PB Function Block Example
147
PID Function Block
148
Table 2-39 General Tab Configuration Parameters
152
Table 2-40 RSP Tab Configuration Parameters
154
Table 2-41 Range/Limit Tab Configuration Parameters
156
Table 2-42 Tuning Tab Configuration Parameters
157
Table 2-43 Accutune Tab Configuration Parameters
160
Table 2-44 Alarms Tab Configuration Parameters
162
Example 1 - Basic PID Configuration Example
163
Figure 2-47 PID Function Block Example
163
Example 2 - Duplex Control - PID with Heat/Cool (Duplex) Output
164
Example 3 - Cascade Control
165
Example 4 - Ratio Control
166
Example 5 - Cascade Control of a Boiler Drum Level - Basic
167
Example 6 - Cascade Control of a Boiler Drum Level - 3 Element Feedwater Control
168
PT Function Block
169
Table 2-45 PT Function Block Configuration Parameters
170
Figure 2-53 PT Function Block Example
171
RCON Function Block
172
Table 2-46 Read Constant Configuration Data
172
Figure 2-54 RCON Function Block Example
173
RCP Function Block
174
Figure 2-55 RCP Function Block Example
175
RH Function Block
176
Table 2-47 Metric Units
177
ROC Function Block
178
Table 2-48 ROC Configuration Parameters
179
Figure 2-57 ROC Function Block Responses
180
RSW Function Block
181
Figure 2-59 RSW Function Block Example
182
RTMR Function Block
183
Table 2-49 RTMR Configuration Parameters
184
SCB Function Block
185
Table 2-50 SCB Configuration Parameters
186
SPEV Function Block
187
Figure 2-62 SPEV Function Block Example
189
SPP Function Block
190
Table 2-51 SPP Inputs and Current State
193
Table 2-53 SPP Configuration Parameters
194
Example 1 - PID with Setpoint Programmer and Guaranteed Soak
195
Example 2 - PID with Setpoint Programmer and Event Outputs
196
Example 3 - Alternate Methods for Actuating SP Programmer START, HOLD, and RESET Functions
197
Example 4 - Using the Setpoint Programmer AUX Output
198
Example 5 - Controlled Restart after Power Loss
199
SPS Function Block
200
Table 2-54 SPS Configuration Parameters
202
Figure 2-68 Setpoint Scheduler Function Block Suite
203
SPSA Function Block
204
SQRT Function Block
206
Table 2-55 SQRT Configuration Parameters
207
STFL Function Block
208
STSW Function Block
209
SUB Function Block
210
4SUB Function Block
211
SW Function Block
212
Figure 2-72 SW Function Block Example
213
SYNC Function Block
214
Figure 2-73 SYNC Function Block Example
215
TAHD Function Block
216
Figure 2-74 TAHD Function Block Example
217
TGFF Function Block
218
TOT Function Block
219
Table 2-56 TOT Configuration Parameters
220
Figure 2-76 TOT Function Block Examples
221
TPO Function Block
222
Table 2-57 TPO Configuration Parameters
223
TPSC (3POS) Function Block
224
Table 2-58 General Tab Configuration Parameters
227
Table 2-59 RSP Tab Configuration Parameters
229
Table 2-60 Range/Limit Tab Configuration Parameters
231
Table 2-61 Tuning Tab Configuration Parameters
232
Table 2-62 Accutune Tab Configuration Parameters
235
Table 2-63 Alarms Tab Configuration Parameters
237
Table 2-64 Motor Tab Configuration Parameters
239
TRIG Function Block
240
Figure 2-79 TRIG Function Block Example
240
UPDN Function Block
241
Table 2-65 UP/DOWN Configuration Parameters
242
VLIM Function Block
243
Table 2-66 VLIM Configuration Parameters
244
WCON Function Block
245
Table 2-67 Write Configuration Data
246
WTUN Function Block
247
Figure 2-83 WTUN Function Block Example
248
WVAR Function Block
249
Figure 2-84 WVAR Function Block Examples
250
XFR Function Block
251
Table 2-68 XFR Switch Configuration Data
252
XOR Function Block
253
Figure 2-86 XOR Function Block Example
253
Other manuals for Honeywell UMC800
Installation And User Guide
128 pages
Reference Manual
152 pages
4
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Honeywell UMC800 Specifications
General
Brand
Honeywell
Model
UMC800
Category
Controller
Language
English
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