Honeywell DR4500A Product Manual page 166

Setpoint Ramp/Soak Programming and Operation - Setpoint Program Contents
Profile Start and Profile End
These selections let you specify the segments that will comprise each of the 6 profiles. The first segment
must be a ramp (odd-numbered segment) and the last segment must be a soak (even-numbered).
Ramp unit
The ramp unit selection determines the engineering units for the ramp segments.
The selections are:

TIME = Hours:Minutes

EU-H = Degrees/Hour
Ramp time or rate segments
A ramp segment is used to change the setpoint to the next soak setpoint value in the program.

Ramps are odd-numbered segments. Segment 1 will be the initial ramp.

Ramps are specifed in terms of either:
TIME* - Hours:Minutes Range = 0-99 hrs:59 min.
or
EU-M* - Degrees/Minute Range = 0 to 999
EU-H* - Degrees/Hour
* The selection of time or rate is made at prompt "RAMP UNIT"
Set this prompt before entering any Ramp information.
ATTENTION
Entering "0" will imply an immediate step change in setpoint to the next soak.
Soak segments
A soak segment is a combination of soak setpoint (value) and a soak duration (time).

Soaks are even-numbered segments.

Segment 2 will be the initial soak value and soak time.

The soak setpoint range value must be within the setpoint high and low range limits in engineering units.
(Specify the setpoint range with SP HI and SP LO in the control group as described in Section 4.)

Soak time is the duration of the soak and is determined in:
TIME - Hours:Minutes
Segment Events
Each segment can be programmed to trigger an alarm which in turn deenergizes the associated relay. The
selected alarm must be programmed as an event type for this to occur. Selections are:
ALARM 1 – ALARM 6.
152 DR4500A Classic Series Circular Chart Recorder With or Without Control Product Manual
OR EU-M = Degrees/Minute
Range = 0-99 hrs:59 min.
Release M
April 2017