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9.10.
Boot Loader Operation
The main function of a boot loader is to load or update the firmware to the
microcontroller on the Printed Circuit Board (PCB) of an instrument. There are two types
of boot loader setup: hardware and software, described in the following sections.
When an external MODBUS host device is attempting to communicate
with the instrument over the serial or Ethernet port while the instrument
is starting up, the instrument may halt. In order to prevent the problem
from occurring, ensure that there are no devices attempting
communication with the instrument during start-up. Once the sign-on
message is displayed on the front panel, it is safe to begin
communications.
9.10.1.
Boot Loader – Hardware Setup
Verify that the instrument is configured for an RS-232 connection. See Section 8.2 for
details on changing the COM port configuration. The instrument can be connected to the
PC COM port using a 9-pin serial cable (TAPI P/N WR77).
9.10.2.
Boot Loader – Software Setup
Table 9-2 lists the required firmware loader software and firmware options.
SOFTWARE TYPE
PC Software
Instrument Firmware
The firmware loader is available on Teledyne API's website at
api.com/software/.
1. Install the firmware loader software onto a PC.
2. Verify the cable connections. Do not power up the instrument.
3. Run the firmware loader application on the PC.
4. Select the COM port that the instrument is connected to.
5. Select the HEX file for the appropriate firmware.
6. Refer to Section 9.10.2.1 to upload the firmware or to Section 9.10.2.2 to verify
the firmware.
60
Teledyne API Model 465M O
NOTE
Table 9-2: Required Software
FILE TYPE/VERSION
05498-00_XX.HEX (for ppb, ppm, ugm)
05498-01_XX.HEX (for ppb, ppm, pphm)
Monitor User Manual
3
FirmwareLoader.EXE
http://www.teledyne-
06160J DCN7969
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