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Programming and Operating Concepts
Video Recorder – User Manual 53
Table 3-4 Function Block Parameter Designators
Function
Block
Type
Function Block
Name
Output
code
Parameter Name Parameter
Type
AI Analog Input OV Output Value Analog
SY System Parameter RT
AG
AH
AL
DF
DG
SF
SW
AX
DX
F1
F2
F3
F4
F5
Reference Junction Temp.
Alarm Global
Alarm High
Alarm Low
Diagnostic failure
Diagnostic General
Storage Full
Storage Warning
Analog Safe Parameter
Discrete Safe Parameter
F1 or Start Key on keyboard
F2 or Hold Key on keyboard
F3 or Reset Key on keyboard
F4
F5
Analog
Discrete
Discrete
Discrete
Discrete
Discrete
Discrete
Discrete
Analog
Discrete
Discrete
Discrete
Discrete
Discrete
Discrete
AO Analog Output OV
BC
S2
Output Value
Back Calculation Value (Feedback)
Process Variable (AO’s input)
Analog
Analog
Analog
DI Discrete Input OS Output State Discrete
DO Discrete Output OS Output State Discrete
LP Control Loop
ON/OFF Loop only
OV
PV
DV
WS
S1
S2
BC
AM
SS
OS
Output Value
Process Variable
Deviation Value
Working Setpoint
Setpoint #1 Value
Setpoint #2 Value
Back Calculation Value (Cascade feedback)
Auto/Manual Status
Setpoint #1/Setpoint #2 Status
Output Status
Analog
Analog
Analog
Analog
Analog
Analog
Analog
Discrete
Discrete
Discrete