Emerson MICRO MOTION 2700 Instalační manuál Strana 126

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116 Transmitter Configuration and Use: Series 1000 and 2000 Transmitters
Troubleshooting continued
10.10 Transmitter status LED
10.10.1 Model 1500/2500 transmitters
The Model 1500/2500 transmitter includes a LED that indicates transmitter status. See Table 10-3.
If the status LED indicates an alarm condition:
1. View the alarm code using ProLink II or a Communicator.
2. Identify the alarm (see Section 10.11).
3. Correct the condition.
10.10.2 Model 1700/2700 transmitters with displays
The display on the Model 1700/2700 transmitter includes a LED that indicates transmitter status. See
Table 10-4.
If the status LED indicates an alarm condition:
1. View the alarm code using the procedures described in Section 7.6.
2. Identify the alarm (see Section 10.11).
3. Correct the condition.
4. If required, acknowledge the alarm using the procedures described in Section 7.7.
FO phase on Channel C
does not change with flow
direction (Config IO
transmitters only)
Wrong configuration setting FO mode must be set to Quadrature for phase to
automatically track flow direction.
DI is fixed and does not
respond to input switch
(Config IO transmitters only)
Possible internal/external power
configuration error
Internal means that the Configurable I/O will
supply power. External means that an external
pull-up resistor and source are required. Verify
configuration setting is correct for desired
application.
Cannot configure Channel B
for DO1 operation (Config IO
transmitters only)
Channel C is configured as FO FO and DO1 use the same circuitry and cannot
run simultaneously. Configure Channel B as FO
and Channel C as DO2.
Cannot configure Channel C
for FO operation (Config IO
transmitters only)
Channel B is configured as DO1 FO and DO1 use the same circuitry and cannot
run simultaneously. Configure Channel B as FO
and Channel C as DO2.
Table 10-3 Model 1500/2500 transmitter status reported by the status LED
Status LED state Alarm priority Definition
Green No alarm Normal operating mode
Flashing yellow No alarm Zero in progress
Yellow Low severity alarm Alarm condition: will not cause measurement error
Outputs continue to report process data
Red High severity alarm Alarm condition: will cause measurement error
Outputs go to configured fault indicators
Table 10-2 Milliamp and frequency output problems and remedies (continued)
Symptom Possible cause Possible remedy
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