Hi,
for F111 it should works as the same for F110.
Regarding the fields difference, I could not find a simple explanation but I saw that they are used in different programs in SAP system:
BTYP1 Type of bank in a bank chain
| Program | Short description |
ALI30TOP
| F110OFB0 | IncludeLFBW4TOP |
F110SFR0_REGUH_HAUSBANK
LEE_DEREG_REMADV_OUTU05
LF110TOP
LF110U11
LF11BU01
LFKYUSU09
LFPAYU04
LFREGU2U02
LIEDPF0A
LIEDPF1S
| RFFORI20 | Include International Payment Medium: MT200 |
| RFFORI22 | Include International Payment Medium: MT200 |
| RFFORII4_FOR | Include RFFORII4_FOR |
============================
BTYP2 Type of bank in a bank chain
| Program | Short description |
| F110OFB0 | IncludeLFBW4TOP |
F110SFR0_REGUH_HAUSBANK
LEE_DEREG_REMADV_OUTU05
LF110U11
LF11BU01
LFKYUSU09
LFPAYU04
LFREGU2U02
LIEDPF0A
LIEDPF1S
| RFFORI22 | Include International Payment Medium: MT200 |
============================
BTYP3 Type of bank in a bank chain
| Program | Short description |
| F110OFB0 | IncludeLFBW4TOP |
F110SFR0_REGUH_HAUSBANK
LEE_DEREG_REMADV_OUTU05
LF110U11
LF11BU01
LFKYUSU09
LFPAYU04
LFREGU2U02
LIEDPF0A
LIEDPF1S
===================
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For BP, I found the note below:
1800911 - BP_SIS: Bank chains from payment details are not updated
You can also maintain bank chain in business partner following the steps below:
http://help.sap.com/saphelp_erp60_sp/helpdata/en/ea/931e3bbc4bfa0ee10000000a114084/content.htm
Hope this is helpful for you.
Cristiano