18/09/2003
HESC-UPS Manual
Tri-M Engineering
Tel:
800.665.5600, 604.945.9565
1407 Kebet Way, Unit 100
Fax:
604.945.95
Port Coquitlam, BC, V3C 6L3
E-mail:
info@tri-m.com
Canada
Web
site:
www.tri-m.com
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Section 10 HESC-UPS FIRMWARE UPDATE PROCEDURE
NOTE: The HESC profile should always be updated before HESC-UPS firmware is loaded if the HESC did not have
HESC-UPS firmware already loaded. This will load known values into the EEprom and prevent a situation where a default
value of 0xFFFF for a start up timer will prevent the HESC outputs from turning on.
Should the situation arise where the
outputs can’t be turned on because of an incorrect value in the HESC EEprom, the HESC can be “hot wired” by
conn5 volts from another source to the HESC +5 volt output. This will not cause any harm or damage to the
HESC.
**********************
To update the profile:
**********************
1. Connect serial cable between CN9 of HESC-SER and host CPU COM port or plug Host CPU board onto
HESC104 PC/104 connector.
2. Apply main power to CN6 of HESC.
3. Start SCU utility on host.
4. Select INIT-SETUP from menu and select AUTO_SELECT; press OK button after HESC is initialized.
5. Select FILE-OPEN from menu and select the file.
6. Select EEPROM from menu and select UPDATE ALL.
7. Select WRITE to update the profile.
8. Close SCU after profile is updated.
9. Remove main power from CN6.
***********************
To update the firmware:
***********************
1. Connect a wire between SDA (CN5-5 or CN7-4) and ground (CN5-4 or CN7-2) to put the power supply in
firmware upgrade mode.
2. Apply main power to CN6.
3. Start SCU utility on host.
4. Select FILE-OPEN from menu and select the firmware file.
5. Select INIT-SETUP and select the following:
a. Access Type: Select correct port type and address.
b. Protocol: Select “Bus Timer and No Checksum”.
c. Firmware Type: Select “HESC-UPS”.
6. Press OK button after HESC is initialized.
7. Select INIT-FW UPDATE and press the START/STOP UPDATE button.
8. Read the info from the dialog box and then press OK button.
9. Remove the wire connecting CN5-5 and CN5-4 'AFTER' firmware update is started.
10. Close SCU after update is done.
11. Remove main power from CN6.
12. Wait for 30 seconds after power down.
13. Apply main power again.
