Emerson Process Management 53eA Activate Process, Alarm 1 control, Alarm 1 setup, Alarm 2 control

MODEL 54eA	SECTION 5.0
	SOFTWARE CONFIGURATION

5.7 CHANGING ALARM PARAMETERS (continued)

Activate : Process

ExitEdit

Activation method Control mode

c.To change the activation method, press Edit (F4). Use the é key to scroll through the choices: "Process", "Temperature", and “pH” (if pH was enabled). "Process" means the measurement made by the main sensor (oxygen, ozone, free chlorine, or total chlo- rine). Press Save (F4) to store the selection.

d.The display returns to the "Activate: Process" screen. Press Exit (F1). The display returns to the "Activation method" screen. Move the cursor to "Control mode" and press Enter (F4).

ExitEnter

Ctrl mode : Normal

e.To change the control mode, press Edit (F4). Use the é key to toggle between "Normal" and "TPC". Press Save (F4) to store the selection.

ExitEdit

Alarm 1 control

Alarm 1 setup

Alarm 2 control

ExitEnter

Alarm : Low

Setpoint: 0.000 ppm

Hysteresis: 0.000 ppm

ExitEdit

8.Alarm setup for normal alarms:

a. Move the cursor to the desired alarm setup and press Enter (F4).

b.Use the é and ê keys to move the cursor to the desired param- eter. Press Edit (F4). Use the arrow keys to change the setting to the desired value and press Save (F4) to store the value. See the Figures 5-2 and 5-3 for an explanation of terms: low alarm, high alarm, hysteresis, and delay. See Table 5-1 for allowed values and limits.

Relay default determines how the relay will operate if there is a fault or the controller is in hold. Alarms can be forced on (Close), off (Open), or remain unchanged (None).

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