Eurotherm 2216e Guia de Instalação descarregar pdf (Página 90)

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Load Current Monitoring and Diagnostics Installation and Operation Handbook

E-4 2216e Controlle

How Heater Alarms Are Displayed

Do This This Is The Display You Should See Additional Notes

If an alarm is present

it will flash a four

character mnemonic

in the lower display

If more than one

alarm is active, the

display will alternate

between the alarm

messages and the

default parameter in

the lower display

The Alarm Messages are:-

Mnemonic Meaning Description

The following two messages are alarms which are produced as a result of failure within the

process. In place of dashes the alarm number will appear i.e , , , or

Alarm number

- L

ow Current

Used for partial load failure detection. To avoid nuisance

tripping due to supply voltage variations set to a value at least

15% below the minimum normal operating current

Alarm number

- H

igh Current

Used for load overcurrent protection. To avoid nuisance

tripping due to supply voltage variations set to a value at least

15% above the maximum normal operating current.

Note: This alarm is not intended to provide

instantaneous safety protection from short circuit fault

conditions

The following message is a diagnostic alarm which appears for mode 1 operation only.

Load

Fail This includes failure of the heater circuit or the SSR

The following two messages are diagnostic alarms produced as a result of failure within the

equipment or wiring connections. They appear for mode 2 operation only.

Heat

er Fail No current is being drawn while the controller output demand

signal is on

SSR F

ail The load is continuously on while the controller output

demand signal is off

Actual

Temperature

(PV)

HOME Display

OP1

OP2

1 2 ... 85 86 87 88 89 90 91 92 93 94 95 ... 99 100

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Eurotherm 2216e Guia de Instalação Página 90

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