System and Control Options

6.8Setup System - Setup System Info

The Setup System Info options allow users to:

Change Password—used for access to system setup functions

Change Date & Time/Automatic Daylight Saving Time—used to set the Liqui-tect panel’s date and time and to enable automatic time change for Daylight Saving Time

Restore Defaults—returns the Liqui-tect panel to its factory settings

To change any Setup System Info features:

 

 

 

 

 

Log In and Choose Setup System

 

Setup System Menu

• From the Main Menu, use the arrows ↑↓ to choose System and

 

 

 

 

 

SETUP ZN1 ZONE 1

Control, then press Enter (see 6.1 - Login for help).

 

 

 

 

SETUP ZN2 ZONE 2

• Enter your password at the Login screen.

 

 

 

 

SETUP ALARM OUTPUTS

• From the System and Control Menu, use the arrows ↑↓

to choose

 

↑↓ =NEXT

=SELECT

 

 

 

 

 

SETUP REALARM DELAY

Setup System, then press Enter .

 

 

 

 

SETUP MAPMODE

Select Setup System

 

 

 

> SETUP SYSTEM INFO

 

 

From the Setup System Menu, shown at right, use the arrows ↑↓ to choose Setup System Info and press Enter .

Use the following steps to access any of the Setup System Info options.

6.8.1Change Password

A password is required to access the Liqui-tect panel’s system and control options, as described in 6.1 - Login. The password consists of four characters (see Table 7 for valid characters). The default pass- word is AAAA.

Changing the password to “0000” eliminates the login requirement and prevents the login screen from appearing.

Setup System Info Menu

SETUP SYSTEM INFO

>CHANGE PASSWORD

CHANGE DATE & TIME ↑↓ =NEXT =SELECT

FACTORY DEFAULTS

Change Password

Change the Password To change the password:

• From the Setup System Info Menu, use the arrows ↑↓ to choose Change Password, then press Enter .

To change your password:

Use the arrows ↑↓ to choose a character.

Press Enter to advance to the next character position.

When finished, press Enter again.

CHANGE PASSWORD

AAAA

↑↓ =SELECT =NEXT/END

Reset Password to the Factory Default (“AAAA”)

To reset the password to the factory default of AAAA:

Locate DIP switch 1 on the unit’s circuit board (see 1.4 - Controller Board Overview) and move switches 2, 7 and 8 to the OFF position (down).

Move the second switch to the ON position, then to the OFF position.

Move the seventh switch to the ON position, then to the OFF position.

Move the eighth switch to the ON position, then to the OFF position.

The password should now be AAAA.

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Emerson MC68HC16Z1 user manual Setup System Setup System Info, Change Password, Reset Password to the Factory Default Aaaa

MC68HC16Z1 specifications

The Emerson MC68HC16Z1 is a versatile microcontroller that combines power and efficiency, making it an ideal choice for various embedded applications. As part of the Motorola 68HC16 series, the MC68HC16Z1 is designed to deliver robust performance while offering extensive support for both simple and complex tasks. With its 16-bit architecture, this microcontroller is well-equipped to handle a range of functionalities, from industrial control systems to automation processes.

One of the main features of the MC68HC16Z1 is its high-performance 16-bit CPU, which operates at speeds up to 20 MHz. This allows for efficient data processing and execution of instructions, which is critical in time-sensitive applications. The microcontroller boasts a rich instruction set, including various addressing modes that enhance programming flexibility. This versatility enables developers to implement efficient algorithms tailored to their specific application needs.

Power management is another noteworthy characteristic of the MC68HC16Z1. The device supports low-power operation modes, which is essential for battery-powered applications or scenarios where energy consumption is a concern. With its capability to switch between different operational states, the microcontroller can significantly extend battery life while ensuring that performance is not compromised.

The MC68HC16Z1 also includes an integrated analog-to-digital converter (ADC) that allows for direct interaction with analog signals. This feature is particularly beneficial in applications that require sensor data acquisition. Additionally, the microcontroller provides various communication interfaces, including serial communication options like UART and SPI, facilitating seamless data transfer between devices.

In terms of memory, the MC68HC16Z1 supports a wide range of options, including both RAM and ROM, allowing for flexible storage solutions depending on the application requirements. The built-in programmability further allows for updates and modifications to the firmware, ensuring that the system can adapt to evolving project specifications.

Moreover, the microcontroller features an extensive array of I/O ports, making it capable of interfacing with various peripheral devices such as sensors, actuators, and displays. This extensive connectivity enhances its usability in a range of applications, from robotics to automotive systems.

In summary, the Emerson MC68HC16Z1 microcontroller stands out for its balanced blend of performance, low power consumption, and feature-rich design. Its 16-bit architecture, integrated ADC, versatile communication interfaces, and extensive memory options make it a go-to choice for developers looking to create effective and reliable embedded systems. Whether for industrial automation or consumer electronics, the MC68HC16Z1 continues to be a dependable and powerful component in the realm of microcontroller technology.