Manual

56
Operation
Feature Matrix
4.4 Feature Matrix
The feature matrix below summarizes the functions available for each
channel for the three controller modes.
1
Available for the channel if the alarm contacts have been assigned to Channels 3 & 4
(see paragraph 4.3.10.2 on page 53). In this condition, the alarm contacts are not availabe for
Channels 1 & 2.
2
AC Outputs 1 and 2 are used to control fill from two storage vessels (see paragraph 1.5.2 on
page 8).
3
AC Output 1 is used to control a fill valve, and AC Output 2 controls a vent valve
(see paragraph 1.5.3 on page 9).
4
Remote contact senses can be used to indicate if a storage vessel contains liquid
(see paragraph 4.3.8.3 on page 49).
Mode Channel
Feature
HI Alarm HI Contact LO Alarm LO Contact RATE Alarm 4−20 mA or 0−10 V
A − B Control Band Switched AC Contact Sense
Normal
Ch 1
✓✓✓✓✓✓✓
AC Output 1
✓
Ch 2
✓✓✓✓✓✓✓
AC Output 2
✓
Ch 3
✓
✓
1
✓
✓
1
✓
Ch 4
✓
✓
1
✓
✓
1
✓
Auto-
Changeover
Ch 1
✓✓✓✓✓✓✓
AC Outputs 1&2
2
✓
4
Ch 2 Channel Unavailable
Ch 3
✓
✓
1
✓
✓
1
✓
Ch 4
✓
✓
1
✓
✓
1
✓
Pre-Cool
Ch 1
✓✓✓✓✓✓✓
AC Outputs 1&2
3
Ch 2 Channel Unavailable
Ch 3
✓
✓
1
✓
✓
1
✓
Ch 4
✓
✓
1
✓
✓
1
✓