Micromod MOD: Modcell 2050R Users Guide Instrukcja Użytkownika Pobierz pdf (Strona 208)

IB-23C650

DIAGNOSTICS

conditions using the UP key.

Input Failure Messages

• [OPEN TC1 (2)] Open Thermocouple 1 (or 2) (upscale burnout)

• [HIGH TC1 (2)] Overtemperature Thermocouple 1 (or 2)

• [LOW TC1 (2)] Undertemperature Thermocouple 1 (or 2)

• [RTD1 (2) LO] Failed RTD1 (or 2), Low (active lead shorted against

another lead)

• [RTD1 (2) HI] Failed RTD1 (or 2), High (any one lead open)

• [CJC1 (2) BAD] Failed Cold Junction RTD 1 (or 2)

• [MA1 (2) LOW] Out of range low for 4-20 mA Input 1 (or 2)

• [MA1 (2) HIGH] Out of range high for 4-20 mA Input 1 (or 2)

• [V1 (2) LOW] Out of range low for Voltage Input 1 (or 2)

• [V1 (2) HIGH] Out of range high for Voltage Input 1 (or 2),

• [MV1 (2) LOW] Out of range low for mv Input 1 (or 2)

• [MV1 (2) HIGH] Out of range high for mv Input 1 (or 2)

NOTE

Turn off power to the unit before replacing controller or

repairing wiring. Failure to do so may cause a loss of

calibration.

Operational Failure Messages

Failures in the general operation of the instrument are indicated by the

following diagnostic messages:

• [POWER] [FAILED]

This is the first display to appear after power-up if the power-up message

was not suppressed in BASE CFG MENU. It indicates that the power has

been off due either to a normal shutdown or an accidental power failure.

Pressing any key clears this message and starts the operating display

sequence.

• [BUS INHB], [CMP ERB], [BUS ERR], [OVERCFGD]

These messages identify communication problems. They are described

in the Modbus Communications Supplement, IB-23C650M.

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