Emerson Process Management 53eA Noise rejection Main sensor cal, Security, Lock all

MODEL 54eA	SECTION 5.0
	SOFTWARE CONFIGURATION

5.13SECURITY

1.The controller can be programmed to require a password for access to menus. There are three levels: Level 1: A level 1 user can

1.Zero and calibrate the main (amperometric) sensor

2.Calibrate the barometric pressure sensor

3.Calibrate the pH sensor

4.Enter a temperature slope for a pH sensor

5.Change temperature compensation from automatic to manual and enter a manual compensation temperature

6.View diagnostic variables.

Level 2: A level 2 user can

1.Do everything a level 1 user can do

2.Change control setpoints for PID current outputs

3.Change alarm setpoints for normal and TPC alarms

4.Rerange the 4-20 mA outputs

5.Manually test both outputs and all four alarm relays.

Level 3: A level 3 user has access to every menu item. Only a level 3 user can change passwords.

A person with no password can only view the main display.

Noise rejection

Main sensor cal

Security

ExitEnter

Lock all : 0

Lock program: 0

Lock config: 0

ExitEdit

2.Press any key to enter the main menu. Move the cursor to "Program" and press Enter (F4).

3.Move the cursor to "Configure" and press Enter (F4).

4.Move the cursor to "Security" and press Enter (F4).

5.Use the é and ê keys to move through the list of items. To enter a password, press Edit (F4). Use the arrow keys to enter a three-digit password. Press Save (F4) to store the value.

Lock all: Until the user enters the "lock all" password, all he can do is view the main display. Entering the "lock all" password allows the user access to all Level 1 functions.

Lock program: Entering the "lock program" password allows the user access to all Level 2 functions.

Lock config: Entering the "lock config" password allows the user access to all Level 3 functions.

The controller will accept a higher level security code at a lower level securi- ty gate. For example, the controller will accept a level 2 password at a level 1 gate.

NOTES:

a.A code of 000 disables security for that level.

b.The security feature will not activate until after the timeout period has passed with no key presses.

c.A hold condition will indefinitely prolong the timeout period.

d.Security will activate immediately if power is removed and then restored.

e.To recall a forgotten code, press and hold F4 for five seconds when the security screen appears. The code for that level will appear.

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