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“Analog output 1 and its digital
representation are outside the operating
range limits, and not responding to input”
“The Position Signal is less than –5% or
greater than 105%”
“Position signal in LOS”
“Position out of accurate measurement
range”
This is an additional standard HART
®
-defined message that
appears whenever the HART
®
primary variable (Position signal)
is outside the design or calibrated range. It accompanies the
message above.
This is a Beck-specific message that appears after the HART
®
-
defined messages above. It specifically pinpoints the position
signal to the DCM-2 as the problem source, and indicates that the
signal is outside the calibrated range limits. The upper and lower
limits are -5% and 105% of the calibrated range respectively.
This is a Beck-specific message that appears after the HART
®
-
defined messages above. It specifically pinpoints the position
signal to the DCM-2 as the problem source, and is intended to
indicate a CPS or wiring failure. The message is triggered when
the position signal is outside the minimum and maximum limits
of 0.25 V dc and 5.35 V dc respectively. In this case, the LOS
message above will also be present.
This is a Beck-specific message that appears after the HART
®
-
defined messages previously mentioned. It specifically pinpoints
the position signal to the DCM-2 as the problem source, and
indicates that the signal is outside the 0.25–5.35 V dc design
range. The LOS message above will also be present when this
message is present.
Miscellaneous Messages
Message
Description
“The Feedback Signal is enabled but the
loop is open”
“Stall condition has been detected (see
'Stall Time' in the 'General Setup' menu)”
"Feedback is in fixed mode"
This is a Beck-specific alarm message that alerts the user that
external position feedback signal is installed and enabled, but
not wired to an external load. If the signal is wired to an external
load and this message appears, it implies that a wiring failure
somewhere between the drive and the monitoring device has
occurred. If the DCM-2 board is equipped with the feedback
module, but the signal is not being used, this message can be
eliminated by disabling the feedback in the configuration.
This is a Beck-specific alarm message alerting the user that the
drive is in a stalled condition and is no longer trying to fight the
load. This condition occurs if the drive cannot reach the demand
position in the ime allotted by the stall time setting (configurable
from 30–300 seconds, default 300 sec.). In drives equipped with
optional torque measurement, this message may not occur due
to the pre-emptive action of overtorque protection.
The "FB Out Test" diagnostic allows the user to set Feedback to
a fixed value, rather than the normal mode of having Feedback
follow the Position value. If the Feedback value is left in the "fixed"
mode, this error will be reported to alert the user that Feedback
is not following the Position value.
Message
Description