Siemens Pacemaker UM344-2 Manual de usuario descargar pdf (Pagina 91)

UM344-2 ON-LINE AND OFF-LINE OPERATION

August 1995

B. Change SET POINT

1. The Controller must be in the AUTO control mode to

change the SET POINT; if not, place the Controller

in the AUTO control mode.

2. Press and hold, for a minimum of 5 seconds, the

ZERO pushbutton, then release the button.

The "SP" and "PB" annunciators shall be lit and the

"PV" annunciator shall be extinguished.

The displayed number is the active SET POINT

value.

3. Select new SET POINT. Note the following.

• Cycling (pressing and releasing in less than 1

second) the ZERO or FULLSCALE pushbutton

respectively decrements or increments the SET

POINT in 0.01% increments of span.

• Pressing and holding either pushbutton, for more

than 1 second, initiates a special acceleration

algorithm whereby the SET POINT changes in

greater and greater increments until limiting

occurs.

• The new SET POINT value is changed in RAM

only and not yet stored permanently in memory.

If the Pushbutton Mode times-out before

storage is accomplished, the Controller will

operate with the new SET POINT; however, the

new value will be lost after a power-down or

Master Reset.

C. Store New SET POINT to Memory (new Power-Up

Setpoint Valve in Setpoint Track & Hold Block)

1. Simultaneously press and release both pushbuttons to

store new SET POINT.

After SET POINT storage, the Controller exits the

Pushbutton Mode and returns to normal operation.

D. Change VALVE

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Siemens Pacemaker UM344-2 Manual de usuario Pagina 91