Samson S2000 Instruções de Operação descarregar pdf (Página 54)

Readings on display

Icons appear on the display that are as

-

signed to parameters, codes and functions.

Operating modes:

4

Manual mode (MAN), section 8.2.1

The positioner follows the manual set

point (Code 1) and not the set point pro

-

vided by the process control system.

blinks: The positioner has not yet

been initialized. Operation only possible

over manual set point (Code 1).

4

Automatic mode (AUTO), sec

-

tion 8.2.1

The positioner is in closed-loop operation

and follows the set point provided by the

process control system.

4

SAFE, section 8.2.2

The positioner vents the output. The valve

is moved to the mechanical fail-safe po-

sition.

Bar graph:

In manual and automatic modes, the

bars indicate the system deviation that de

-

pends on the sign (+/–) and the value. One

bar element appears per 1 % system devia

-

tion.

If the device has not yet been initialized, the

icon blinks on the display and the lever

position in degrees in relation to the longitu

-

dinal axis is indicated. One bar element cor

-

responds to approximately a 5° angle of ro

-

tation.

If the fifth bar element blinks (reading

> 30°), the permissible angle of rotation has

been exceeded. Lever and pin position must

be checked.

Status alarms

4

: Maintenance alarm

4

: Maintenance required/demanded

These icons indicate that an error has oc

-

curred. A classified status can be as

-

signed to each error. Classifications in

-

clude “No message”, “Maintenance re

-

quired”, “Maintenance demanded” and

“Maintenance alarm“ (see section 8.3).

Configuration enabled

This indicates that the codes marked with an

asterisk (*) in the code list (section 14) are

enabled for configuration (see section 8.1).

54 EB 8384-4 EN

Operator controls and readings

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