Emerson E2 User Manual download pdf (Page 126)

10-14 • E2 RX/BX/CX I&O Manual 026-1610 Rev 13 14-SEP-2011

10.12.1 Changing Required User

Access Levels

The Level Required For table in this screen is used to

customize what access level is required to perform certain

actions within the E2 unit. There are four rows in this

table, each of which corresponds to a different type of E2

function or application.

• Refrigeration Control - This category includes

changes or actions involving refrigeration applica-

tions specific to RX controllers (Suction Groups,

Condensers, Circuits, CC-100s, etc.).

• Building Control - This category includes changes

or actions involving building control applications

specific to BX controllers (AHUs, Zones, Lighting

Control, Time Schedule, Demand Control, etc.).

• Common Control - This category includes control

applications common to both RX and BX control-

lers (Sensor Control, Time Schedules, Conversion

Cells, Analog or Digital Combiners, Global

Dataetc.).

• Advanced Control - This category includes applica-

tions common to both boxes that are only used by

advanced users, such as Loop/Sequence Control-

lers, Refrigeration or HVAC Simulations, etc.

Each row has five columns, each of which corresponds

to a different category of user actions.

• Setpoint - This includes all actions that change

application setpoints. Also, clearing

one or more

alarms out of the Alarm Advisory Log is considered

a “setpoint” action (refer to Section 12.10.8.3,

Clearing, for the definition of “clearing alarms”).

• Bypass - This includes all actions that bypass a

device to a certain state, such as initiating a manual

defrost, or configuring an application input desig-

nated as a “bypass.” Also, resetting

one or more

alarms in the Alarm Advisory Log is considered a

“bypass” operation (refer to Section 12.10.8.2,

Resetting, for the definition of “resetting alarms”).

• Override - This includes any user-ordered override

of a setpoint, input, or output.

• Config - This includes all actions that change an

application setting. This includes configuring inputs

and outputs.

• Alarm Ack - This includes acknowledging

one or

more alarms in the Alarm Log.. If this field is set to

1, alarms can be acknowledged on the Alarm Advi-

sory Log without a user logging into the controller

first. If set to 2, 3, or 4, login is required before a

user can acknowledge alarms. The default is set to 3

(controller login required for acknowledging

alarms). Refer to Section 12.10.8.1, Acknowledg-

ing, for the definition of “acknowledging alarms.”

For each row and column of the Level Required For

table, enter the desired minimum priority level that will be

required for users to perform actions on each type of appli-

cation. E2 will check this table when a user attempts an

action to verify the user has the appropriate access level to

make the change. If the user’s access level is equal to or

above the priority setting in the table, access will be

allowed. If not, access will be denied.

10.12.2 Creating a New User

Account

After entering the User Access Setup screen by press-

ing

 Passwords/User Access from the System Infor-

mation menu:

1. Move the cursor so that it is somewhere in the

Users box at the bottom of the screen.

2. Press  (ADD USER) to put a blank record at

the bottom of the list.

3. Type in the user name (Username), and then

move to the next field (Password) by pressing

the right arrow button.

4. Type in a password for the next user, then press

the right arrow button to advance to the next

field.

5. The Auto Logout feature determines the maxi-

mum time user may be inactive before being

logged out. Enter the amount of time for the user

and press the right arrow button.

6. Enter the appropriate access level for the user.

See Table 10-7.

7. Press  (BACK).

10.12.3 Deleting a User

To delete a user from the system:

1. Move the cursor so that it is highlighting the

record to delete in the Users box at the bottom of

the screen, and press  (DELETE USER).

2. A question box will appear to double check the

deletion of the current record. Press

 if you are

sure about the deletion.

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