Limit Set Up Group; Table 3-4 Limit Group Function Prompts - Honeywell UDC3300 Product Manual

3.7

Limit Set Up Group

Introduction
Function prompts
Table 3-4 Limit Group Function Prompts
Function Prompt
Lower Display
LO or HI
EXT RSET
POWER UP
SP HILIM
SP LOLIM
26
Limit control provides a latching output relay which is de-energized
whenever the PV goes above (high limit) or below (low limit) a selected
setpoint value. Reset is through the [RESET] key on the front of the
controller or an optional external switch (Digital Input #1).
Table 3-4 lists the function prompts in the "LIMIT" Set Up group.
Function
Name
Type of Limit Control LO LIM
HI LIM
External Reset DISABL
(Digital Input 1) ENABLE
EXoNLY
Power-up Logic NORMAL
RESET
High Setpoint Limit 0 to 100% of Span in engineering
units
never be set higher than the
temperature limit of the oven or
furnace being controlled.
Low Setpoint Limit 0 to 100% of Span in engineering
units
UDC3300 Limit Controller Product Manual
Selections or
Range of Setting
Upper Display
ATTENTION
This value should
Factory Setting
HI LIM
DISABL
NORMAL
1000
0
1/01