11 Firmware-Update; Overview; Adjusting The Firmware-Update-Mode; Adjustment By Hardware - DEUTSCHMANN AUTOMATION UNIGATE IC - LONWorks Instruction Manual

Deutschmann Automation GmbH & Co. KG

11 Firmware-update

11.1

Overview

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UNIGATE IC has a 64 kbyte flash memory for the firmware. In the firmware-update-mode the
firmware can be replaced via the UNIGATE
11.2

Adjusting the firmware-update-mode

11.2.1

Adjustment by hardware

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UNIGATE IC can be brought to the firmware-update-mode by the hardware. For it the signal BE
(boot enable) has to be pulled to the potential GND during the Power-up-process.
11.2.2

Adjustment by software

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If the UNIGATE IC is in the configuration mode (see chapter 7.2) it can be brought to the firm-
ware-update-mode interactively through the command CTRL-F (0x06). After sending the com-
mand a security query follows, that has to be answered with J or N (J = Yes, N = No). After a
positive confirmation the IC is re-started in the firmware-update-mode.
11.3

Execution of the firmware-update

The safest way for the firmware-update is the use of the basis board combined with the software
"FDT.EXE" (firmware-download-tool). These tools are available from Deutschmann Automation
(see chapter 13).
It is also possible to use the description and the tools of the manufacturer of the controller
(TEMIC, 89C51RD2) as well.
11.4

Note on safety

The firmware-update should only be carried out when there is no other possibility left. A firm-
ware-update-process that has already been started CANNOT be undone. With it the previously
used firmware is permanently unusable.
11.5

Operation mode of the IC

Standard-operation mode
This mode is required for the regular use of the IC. In this mode the IC will process all script-com-
mands and normally exchange the corresponding user data. The bus as well is operated in this
mode through the IC.
Configuration mode
In the configuration mode the UNIGATE
reset). After a successful self-test it will wait for further commands. Here it is possible to load a
compiled script into the device or to initialize the firmware-download-mode.
30.9.20 Instruction manual UNIGATE
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IC's serial interface.
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IC will carry out a self-test after the start (or after a
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IC - LONWorks (62) V. 2.5
Firmware-update
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