Function Parameter Reference Guide
142 UDC2300 Controller Product Manual 12/00
12.2.58 MANRST (MANUAL RESET)
This prompt is part of the Tuning Set up group.
MANUAL RESET is only applicable if you have control algorithm PD WITH
MANUAL RESET (PD + MR). Because a proportional controller will not necessarily
line out at setpoint, there will be a deviation (offset) from setpoint. This eliminates the
offset and lets the PV line out at setpoint.
NOTE: This Manual Reset value is also available as a lower display parameter, BI.
Range of Setting: -100 to +100 (in % of output)
12.2.59 MINRPM (RESET UNITS)
This prompt is part of the Control Set up group.
Selects units of minutes or repeat per minutes for the I term of the PID algorithm.
20 Repeats per Minute = 0.05 Minutes per Repeat.
Selections Definitions
RPM
REPEATS PER MINUTE — The number of times per minute that
proportional action is repeated by reset.
MIN
MINUTES PER REPEAT — The time between each repeat of the
proportional action by reset.
12.2.60 OUTALG (OUTPUT ALGORITHM)
This prompt is part of the Algorithm Set up group.
The OUTPUT ALGORITHM lets you select the type of output you want.
Not applicable with Control Algorithm prompt “TPSC.”
Selections are model dependent. For example, current output models cannot be
configured for Time Proportioning Simplex Output.
Selections Definitions
RLY
TIME SIMPLEX — Type of output using one SPDT relay. Its normally
open (NO) or normally closed (NC) contacts are wired at the rear terminals.
Other prompts affected: “HYST”
CUR CURRENT SIMPLEX — Type of output using one 4 to 20 mA signal that
can be fed into a positive or negative grounded load of 0 to 750 ohms. The
signal can be recalibrated for any desired range from 4 mA to 20 mA for
0 % to 100 % output.
RLYD
TIME DUPLEX — Type of output using two SPST relays. Its normally
open (NO) or normally closed (NC) contacts are wired at the rear terminals.
Other prompts affected: “D BAND” and “HYST”
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