Installation manual

Series C Controller Configuration and Operation Manual
2-2  Athena Controls, Inc. 900M050U00
2.2 Display
2.2.1 When in a Control Mode
What is displayed when the controller is in one of the control modes described in 1.3.1
depends on the mode and whether the controller detects any problems with the input or
with its own operation. The table below summarizes the various combinations of numeric
values and abbreviations displayed when the controller is operating.
What’s Displayed Example
Top Line Top Line
Circumstance
Lower Line Lower Line
process value
155.5155.5
normal mode, no problems
detected
setpoint (see Note 1 below)
157.0157.0
process value alternating with StbYStbY
StbYStbY
standby mode
setpoint (see Note 1 below)
157.0157.0
process value
155.5155.5
manual mode
output 1 fixed output percent value
alternating with Pct1 Pct1 or
output 2 fixed output percent value
alternating with PcT2PcT2
(Use the key to toggle between Pct1Pct1
and Pct2Pct2.)
Pct1Pct1
process value alternating with tunEtunE
tunEtunE
Autotune mode
setpoint value (see Note 1 below)
157.0157.0
process value alternating with rSrS followed
by the ramp or soak segment number
rS.r1rS.r1
recipe running under the
direction of the controller,
using ramp/soak parameter
values (See Note 2 below)
setpoint (ramps as the recipe is executed)
(see Note 1 below)
145.0145.0
process value alternating with rS-HrS-H
rS-HrS-H
ramp/soak recipe on hold
setpoint value (held at value it had when
recipe was put on hold) (see Note 1 below)
152.0152.0
process value will alternate with LPbrLPbr
LPbrLPbr
controller detects a possible
open loop (input has not
changed for time period
longer than the configured
loop break time) (see 12.2)
setpoint value (see Note 1 below)
157.0157.0
ErHiErHi displayed
ErHiErHi
controller detects an open
sensor, or the input is out of
the supported sensor range
setpoint value (see Note 1 below)
157.0157.0
ErLoErLo displayed
ErLoErLo
controller detects a reversed
sensor, or the input is out of
the supported sensor range
setpoint value (see Note 1 below)
157.0157.0