Function Blocks
Function block listings
Revision 11 HC900 Hybrid Control Designer Function Block Reference Guide 5
2/07
Category Block Type See Page
Alarm Monitor
High Monitor (HMON)
Low Monitor (LMON)
System Monitor (ASYS)
I/O Rack Monitor (RACK)
Analog Alarm (ALM)
Alarm Group (ALMGR)
Force Present (FRCP)
Redundancy Status (RSTAT)
4 Alarm with Hysteresis
H170
H182
H82
H300
H49
H53
H163
H325
H73
Signal Selector
High Selector (HSEL)
Low Selector (LSEL)
Analog Switch (SW)
Rotary Switch (RSW)
Bumpless Transfer (XFR)
H177
H186
H378
H326
H436
Auxiliary
Function Generator (FGEN)
Lead Lag (LDLG)
High-Low Limiter (HLLM)
Velocity Limiter (VLIM)
Rate of Change (ROC)
Read Constant (RCON)
Write Constant (WCON)
Write Variable (WVAR)
Track and Hold (TAHD)
BCD Translator (BCD)
Stage (STG)
Ramp (RAMP)
Alternator (ALT)
Digital Encoder (DENC)
Digital Decoder (DDEC)
Device Control (DC)
H153
H179
H168
H428
H322
H300
H430
H434
H382
H84
H364
H310
H55
H129
H129
H121
Communications
Peer Comm (PDE)
Peer Read (PDR)
Peer Write (PDW)
Modbus Read (MBR)
Modbus Slave (MBS)
Modbus Write (MBW)
Modbus/TCP Slave (TCPS)
Modbus/TCP Read (TCPR)
Modbus/TCP Write (TCPW)
H254
H259
H261
H193
H197
H204
H388
H384
H396
Table 2 Function blocks alphabetically
Function Block Type Identification Label See Page
ABS (Absolute Value)
H9
ADD (Addition 2 Inputs)
H11
4ADD (Addition 4 Inputs)
H12
AGA8DL (Gas Compressibility Detail Calc)
H13
AGA8GS (Gas Compressibility Gross Method Calc)
H22
AGA3O (Orifice Meter Calc)
H29
AGA7TM (Turbine Meter Calc)
H34
AGA9UM (Ultrasonic Meter Calc)
H38
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