GE Industrial Solutions Entellisys 4.0 System Administrator Manual - Manual (Page 18)

User administration 18
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To change the Settings and/or Command passwords
1. On the Main Menu, click the Maintenance button. The button will only be displayed if access
is allowed with the current login permissions.
2. Click the Modbus Security tab. The Modbus Security screen has options to change both
CPU A and CPU B Command and Settings passwords.
NOTE: It is recommended that the passwords in CPU A and CPU B be set to the same value.
3. Enter the new commands password in the New Password field
4. Re-enter the password in the Confirm Password field
5. Click the Change button to download the password
6. Select the desired Auto Send option
; Indicates the Auto Send option will transparently send the password each time a
command is sent to the CPU
† Disables the Auto Send option.The user will be prompted to enter the password (for the
CPU that is currently the default) each time a command is sent
NOTE: For added security, it is recommended the Auto Send option be disabled. This will
require an additional password to be entered each time a command is performed.
4.2.2 HMI Roles
An Entellisys system may have multiple HMI stations running. There are three different roles that
the HMI software will perform. There are some functions that should be performed by one HMI
only.
The Kiosked touchscreen HMIs are considered Local HMIs and can be configured as a local or a
master HMI.
The “Local HMI” check box designates the near-gear or redundant HMI. When it is checked:
• The user can block breaker commands from other HMIs in the “Breaker Control” screen
(See Chapter 3 in DEH-431 Entellisys Low Voltage Switchgear System User Manual)
• HMI uses port 503 for Modbus TCP/IP communication with CPUs
• “Master HMI” check box is cleared
• HMI updates time zone bias information of CPUs that reside in the same lineup whenever
that information is adjusted
The “Master HMI” check box designates the primary in-gear HMI. When it is checked, the HMI
have the functions of the Local HMI plus the ability to send alarm emails.
Remote HMI Role
The Remote HMI software which can be installed on a standard workstation or laptop. There are
some minor differences between the Remote HMI and the Local HMI.