Program Constants; Table 4-52 Constant Prompts - Honeywell VRX180 User Manual

4.16 Program Constants

Constants can be programmed here and their values edited Online. Select a constant to program.
Table 4-52 describes the Constant prompts. See Table 4-2 for additional prompts.
Prompt
VALUE OFF, analog
parameter, number
INPUT LOW LIMIT OFF or number
INPUT HIGH LIMIT
DESTINATION
NONE
LPn GN
LPn PB
LPn RS
LPn RA
LPn RB
LPn IS
LPn DS
LPn HS
LPn LS
AOn IS
AOn DS
AOn HS
AOn LS
AOn IT
COMM CONSTANT Yes/No

Table 4-52 Constant Prompts

Range/Selections
Video Recorder – User Manual
Programming Function Blocks and Features
If a number, the Constant may be altered Online from the Data
Entry menu. If a parameter, this parameter can be directed by
DESTINATION to override certain programmed values.
Display limits (for when viewing Constant on trend display or on
bar displays).
See Destination defined on next page.
No destination
LOOPn GAIN1
LOOPn PROP. BAND #1
LOOPn RESET #1
LOOPn RATE #1
LOOPn RATIO BIAS
LOOPn SP INC SLEW LIMIT
LOOPn SP DEC SLEW LIMIT
LOOPn SP HIGH LIMIT
LOOPn SP LOW LIMIT
AOn INC SLEW LIMIT
AOn DEC SLEW LIMIT
AOn IN HIGH LIMIT
AOn IN LOW LIMIT
AOn IMPULSE TIME (type DAT)
When enabled, any constant writes via modbus communication
will only be written to the RAM copy of the configuration and not
to the non volatile flash copy.
When the unit cold starts, the constant values set up to be
periodically written via communications will revert back to any
value that was manually set via the local HMI. The local HMI will
always write the constant value to the RAM and non volatile flash
which will be preserved across a power cycle.
Definition
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