United Security Products AVD-45c Handbuch Seite 127

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1/03 UDC 6300 Process Controller Product Manual 113
4.11 Control Parameters Set Up Group, Continued
Table 4-10 Control Group Definitions, continued
Lower Display
Prompt
Upper Display
Range of Setting
or Selection
Parameter
Definition
AUTO BIAS
ENABLE
DISABLE
AUTO BIAS — is used for bumpless transfer when
transferring from local setpoint to remote setpoint.
Auto Bias calculates and adds a bias to remote
setpoint input each time a transfer is made.
Only available for Input 2 thru 5 RSP Source only
and if no tracking is selected.
ENABLE - enables auto bias.
DISABLE - disables auto bias.
SP TRACK
SETPOINT TRACKING — The local setpoint can be
configured to track either PV or RSP as listed below.
Not configurable when Auto Bias is set.
NONE
NO TRACKING — If local setpoint tracking is not
configured, the LSP will not be altered when transfer
from RSP to LSP is made.
PV
PV - Local setpoint track the PV when in manual.
RSP
RSP - Local setpoint track remote setpoint. When
the controller transfers out of remote setpoint, the
last value of the remote setpoint (RSP) is inserted
into the local setpoint.
PWR MODE
POWER UP CONTROLLER MODE RECALL
This selection determines which mode and setpoint
the controller will use when the controller restarts
after a power loss. Select one from below:
MANUAL
MANUAL, LSP — At power-up, the controller will
use manual mode with the local setpoint displayed.
A or M SP
LAST MODE/LAST SETPOINT used before power
down.
A or M LSP
LAST MODE/LAST LOCAL SETPOINT on power
down.
SP HILIM
0 to 100% of PV span in
engineering units with
decimal place
SETPOINT HIGH LIMIT* — This selection prevents
the local and remote setpoints from going above the
value selected here. The setting must be equal or
less than the upper range of the inputs.
SP LOLIM
0 to 100% of PV span in
engineering units with
decimal place
SET POINT LOW LIMIT* — This selection prevents
the local and remote setpoints from going below the
value selected here. The setting must be equal or
greater than the lower range of the inputs.
*The Local Setpoint will automatically adjust itself to be within the setpoint limit range. For example, if SP
= 1500 and the SP HILIM is changed to 1200, the new Local Setpoint will be 1200.
Table 4-10 continued on next page
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