Product specifications

Documentation Number: ESP901-2303 Manual 33
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax [phone]
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph [phone] – Fax [phone]
11 Upgrade Mode
New firmware may be available at times on our web site and may be
downloaded and flashed to the ESP901 currently in use. The user can upgrade
using a direct connection to the ESP901 serial port or the Virtual COM port
feature.
Serial Port / Virtual COM
1. Download the new upgrade .hex file and place in a folder.
2. Set ESP901 Dip Switches to Upgrade, Switch 1 off, Switch 2 on, and Switch
3 on.
3. Connect a null modem cable between the PC and the ESP901. When using
the Virtual COM mode a cable is not required.
4. Open the management software and select the Upgrade button. For
instructions on accessing the management software refer to Section 4 Quick
Start.
5. In the Serial Port selection options select the COM port number used to
connect the PC to the ESP901. If using the Virtual COM port select that
number.
6. Select Browse, find the location of the firmware, select Open, and then select
the upgrade button.