Honeywell UDC2500 Product Manual page 84

Configuration
Function Prompt
Lower Display
English Numeric
Code
70
Selection or Range of Setting
Upper Display
English Numeric
HOLD
PID2
RUN
Begn
NO I
MNFS
LOCK
UDC2500 Universal Digital Controller Product Manual
Code
TO HOLD—Contact closure suspends
5
Setpoint Program or Setpoint Ramp. When
contact reopens, the controller starts from
the Hold point of the Ramp/Program unless
the Ramp/Program was not previously
started via the RUN/HOLD key.
This selection applies to either loop.
TO PID2—Contact closure selects PID Set
6
2.
RUN—Contact closure starts a stopped SP
7
Ramp or Program. Upper left character
blinks "R". Reopening the contact puts
controller in HOLD mode.
This selection applies to either loop.
EXTERNAL SP PROGRAM RESET—
8
Contact closure resets SP Program back to
the beginning of the first segment in the
program and places the program in the
HOLD mode. Program cycle number is not
affected. Reopening switch has no effect.
This selection applies to either loop.
ATTENTION Once the last segment of the
setpoint program has timed out, the
controller enters the mode of action specified
in the configuration data and the program
cannot be reset to the beginning of the first
segment by digital input closure.
INHIBIT INTEGRAL (RESET)—Contact
9
closure disables PID Integral (Reset) action.
MANUAL FAILSAFE OUTPUT—Controller
10
goes to Manual mode, output goes to the
Failsafe value.
ATTENTION This will cause a bump in the
output when switching from Automatic to
Manual. The switch back from Manual to
Automatic is bumpless. When the switch is
closed, the output can be adjusted from the
keyboard.
KEYBOARD LOCKOUT—Contact closure
11
disables all keys. Lower display shows
LOCKED if a key is pressed.
Parameter
Definition
4/07