Watlow MICRODIN Manual de usuario descargar pdf (Pagina 85)

Operations

Corrective Action Reference

Watlow MicroDIN 6.5

• Check switches, fuses, breakers, interlocks, limits, connectors, • See Watlow Publication

etc. for energized condition and proper connection #COR-AG-76, “Putting it

All Together.”

• Measure power upstream for required level •

See p. 3.7, 3.10, 3.11, A.14

• Check wire size

• Check for bad connections

• Check and reset unit DIP switches 1-6 to correct address

• See p. 2.7

• Check and reset unit DIP switch 8 to correct baud rate

• See p. 2.7

• Look for a break in the daisy chain

• See p. 3.8

• Verify correct connections and test wiring paths

• See p. 3.8

• Check converter box wiring and its documentation

• See p. 3.8

• Reconfigure computer's COM port setup and verify communications ok

• See COM port information

• Check the communication card documentation for setable variables, operational testing

• See COM baud

information

• Restart COMS software, check for settings agreement. Verify COM bus active

• See software document

• Check sensor connections

• See p. 3.5, 3.6, 3.7

• Check sensor connections and sensor wiring

• See p. 3.5, 3.6, 3.7

• Change the Sensor Type parameter (Input Group) to match the sensor hardware

• See p. 5.5

• Measure power upstream for required level

• See p. 3.7, 3.10, 3.11, A.14

• Verify that the temperature surrounding unit is 32° to 149°F (0° to 65°C)

• See p. A.14

• Check sensor function. The Open Loop Detect parameter (Error Group) indicates it may be broken

• See p. 5.22

• Check the Calibration Offset parameter (Input Group) value; set it to a lower level •

See p. 5.6

• Send the alarming MicroDIN unit a “clear alarm” signal (Modbus

™

: 331) •

See p. 5.17

Note: The condition causing the alarm must also be resolved for the alarm to clear •

See p. 5.18, 5.19

• To clear the alarm, correct the alarm condition; check to see if the alarm is latched • See p. 5.18

• Check the alarm sides setting • See p. 5.20

• Check the alarm type setting • See p. 5.19

• Check the alarm logic for compatibility with system peripherals and annunciators • See p. 5.21

• Check the power limit setting • See p. 5.9

• Check the operation mode • See p. 5.18

• Check the alarm output function • See p. 5.19

• Check °F/°C setting • See p. 5.3

• Check the calibration offset value; set it to a lower level • See p. 5.6

• Return unit to factory • See back cover

• Cycle power to unit • See p. 3.10 - 3.11

• Return unit to factory • See back cover

• Cycle power to unit • See p. 3.10 - 3.11

• Recalibrate unit • See p. 6.6

• Return unit to factory • See back cover

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Watlow MICRODIN Manual de usuario Pagina 85

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