DOESNT NOT ALLOW TO CHANGE IP ADDRESS ON ABB AC800F

Initialize: ....... +--------------------------------------------------------------------+ | | | | A B B | 1st Stage >> Startup Operation Checkout << | | | 1st Stage version: F03.224.00, Nov 7 2006 | | | EPROM version : 8.23 | | | Buildindex : 6320 | | AC800F (PM803F) | (C) 1998...06 ABB Automation Products GmbH | | | | +--------------------------------------------------------------------+ Hardware initialized FPGA revision 02.64(0) EPLD revision 20 Diagnostic interface.....: OK Testing checksum EPROM...: OK Testing SRAM WORD access......: OK BURST access.....: OK address lines....: OK Testing EDC Unit.........: OK Enabling EDC Unit... Testing counter..........: OK *** Internal selftest completed, 1st Stage is activating Bootloader... *** ABB ** AC800F/16 ** Fieldcontroller BootLoader V8.23 (C)2002 ABB Automation Products 24 Jun 2006 T.Guenther Testing network connection 1 ... Ok Testing network connection 2 ... Ok ------------------------------------------------------------------------------ CPU is i960HT [B0/B1] with 16 MByte RAM System will startup in AUTO mode First Network Interface [00:C0:C9:10:27:AC] - TwistedPair - IP address: 172.16.1.9 - Subnet mask: 255.255.240.0 Second Network Interface [00:C0:C9:10:27:AD] - TwistedPair - IP address: 172.16.16.2 - Subnet mask: 255.255.240.0 RTC is not initialized ------------------------------------------------------------------------------ <C>hange, set <T>ime, <S>ave or continue <B>ooting? c For each of the following questions hit <RET> to keep the value in braces or enter a new value: Enter startup mode: 1. Auto Startup 2. Force BootLoader execution Select: [1] Dump statistic on exit? [n] Log Downloads? [n] Enter baud rate of console port: [9600] Enter CPU delay (in seconds) before starting up: [2] ------------------------------------------------------------------------------ CPU is i960HT [B0/B1] with 16 MByte RAM System will startup in AUTO mode First Network Interface [00:C0:C9:10:27:AC] - TwistedPair - IP address: 172.16.1.9 - Subnet mask: 255.255.240.0 Second Network Interface [00:C0:C9:10:27:AD] - TwistedPair - IP address: 172.16.16.2 - Subnet mask: 255.255.240.0 RTC is not initialized ------------------------------------------------------------------------------ <C>hange, set <T>ime, <S>ave or continue <B>ooting?
QUESTION: WHEN I PRESS <C> TO CHANGE THEN IP FACTORY , IT DO NOT APPEARS TO ENTER A NEW VALUE, WHY NOT ?
I WILL HIGHLY APPRECIATE YOUR HELP....