Honeywell HC900 Reference Manual page 20

Function Blocks
Function block listings
(Analog Input)
AI
(Analog Alarm)
ALM
(Alarm Group)
ALMGR
(4 Alarm with Hysteresis)
4ALM
(Alternator)
ALT
(Auto/Manual Bias)
AMB
(AND – 2 Inputs)
2AND
(AND – 4 Inputs)
4AND
(AND – 8 Inputs)
8AND
(Analog Output)
AO
(Alarm System Monitor)
ASYS
(Binary Coded Decimal Translator)
BCD
(Free Form Logic)
BOOL
CALEVT (Calendar Event)
(Carbon Potential)
CARB
(Continuous Average)
CAVG
(Comparison)
CMPR
(Device Control)
DC
(Deviation Compare)
DCMP
(Digital Decoder)
DDEC
(Digital Encoder)
DENC
(Dewpoint)
DEWP
(Digital Input)
DI
(Eight Digital Inputs)
8DI
(Division)
DIV
(On Delay/Off Delay Timer)
DLAY
(Digital Output)
DO
(8 Digital Outputs)
8DO
(Digital Switch)
DSW
(Function Generator)
FGEN
(Frequency Input)
FI
(Force Present)
FRCP
(Four-Selector Switch)
FSS
(System Monitor-Fast Logic)
FSYS
(High-Low Limiter)
HLLM
(High Monitor)
HMON
(Hand/Off/Auto)
HOA
(High Selector)
HSEL
(Lead Lag)
LDLG
(Low Monitor)
LMON
(Loop Switch)
LPSW
(Low Selector)
LSEL
(Latch)
LTCH
(Free Form Math)
MATH
(Mode Switch)
MDSW
(Mode Flag)
MDFL
(Min-Max-Average-Sum)
MMA
6
Function Block Type Identification Label
HC900 Hybrid Control Designer Function Block Reference Guide
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Revision 11
2/07