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Segment time (58), Tolerance (59), Ramp/soak flags (60) – Watlow CLS200, MLS300 and CAS200 User Manual

Page 72

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66 Communications Specification

Chapter 3: Controller Parameter Descriptions

Bits 0 to 5 determine the output number for an event:

Segment Time (58)

This parameter represents the duration of a segment, in the time units
selected elsewhere (hours and minutes or minutes and seconds).

Range: 0 to 59999.

Default: 0.

Tolerance (59)

The tolerance parameter represents an user-defined allowable deviation
from setpoint. If the process goes above a positive tolerance value or
below a negative tolerance value, it is considered out of tolerance. See
also Tolerance Alarm Time (50). This value is also affected by precision.

Range: –99 to 99.

Default: 0.

Ramp/Soak Flags (60)

This parameter is a byte register for each loop that has a ramp-soak
profile assigned to it.

Here’s a picture of this byte:

Result

Bit 5

Bit

4

Bit

3

Bit

2

Bit

1

Bit

0

No events

0

0

0

0

0

0

Digital output 1 is an
event

0

0

0

0

0

1

Digital output 2 is an
event

0

0

0

0

1

0

Digital output 3 is an
event

0

0

0

0

1

1

Digital outputs 4 to
33 are events

...

...

...

...

...

...

Digital output 34 is
an event

1

0

0

0

1

0

Bit

Bit set to 0

Bit set to 1

0

The segment is within the toler-
ance time period.

The segment is out of
tolerance time period.

1 *

The segment does not require
alarm acknowledgment. (Seg-
ment may be out of tolerance
but is not in tolerance alarm.)

The user must acknowl-
edge alarm. (Segment
may be within tolerance.)

2

Reserved