TEKTROL TEK-B ATCH 7900B, Инструкция по эксплуатации

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Instruction Manual
Tek-Batch 7900B
www.tek-trol.com
Technology Solutions
31
8.3 Error and Warning Messages
Table 5: Error and Waring Messages
Error or Warning Messages Cause Remedy
Totalizer Rollover Displayed when totalizer rolls
over Acknowledge
Rollover,
Remedy not required
AUX Input Too Low 4-20 mA Input current at aux
input smaller than 3.5 mA:
•
Faulty Wiring
•
Transmitter not set to "4-
20 mA"
•
Transmitter defective
•
Check wiring
•
Check function of sensor
RTD Out of Range Input current at RTD input too
low:
•
Faulty wiring
•
RTD defective
•
Check wiring
•
Check function of RTD sensor
Rate Overflow Error Pulse counter overflowed. The
totalizer may have lost counts.
•
Report error to factory
•
Check application conditions
•
Check wiring
Pulse Out Overflow Calculated pulse frequency
too large:
•
Pulse width setting too long
•
Larger pulse scaler needed
•
Adjust pulse value
•
Adjust pulse width
•
Check process conditions
Flow Rate Alarm Low
Flow Rate Alarm High
Temp Alarm Low
Temp Alarm High
Density Alarm Low
Density Alarm High Limit value exceeded
•
Check application if necessary
•
Check limit value
•
Adjust the limit value if required
Batch Overrun Alarm Batch size exceeded by more
than set limit
•
Check valves in system for proper
operation and/or leaks
•
Check limit value
•
Adjust the limit value if required
Modem Not Present The setup expects modem
usage and a modem is not
responding.
•
Check setup for proper baud rate,
parity, etc.
•
Check modem connection and
cycle power to Batcher
•
Replace modem
Software Error Reset Watchdog Error like Transient
•
Check data in unit. Totalizer may
have inaccuracies
•
Investigate brownout cause