Siemens S7 and WebAccess address mapping table

Advantech AE Technical Share Document
Date
Category
Abstract
Keyword
Related Product
2015 / 04 / 08
SR#
■ FAQ □ SOP
Related OS
Microsoft Windows7
Siemens S7 and WebAccess address mapping table.
SCADA Node Fixed Public IP Address.
N/A

Problem Description:
Siemens S7 and WebAccess address mapping table.

Brief Solution:
1.
.
2.
COM port type: TCPIP
Device type: SiemS7
Port Number: 102
Manually Switch Primary/Backup: it working only for that PLC has the Redundancy function.
TSAP in Hex :Device ID, RackSlot: 03.02
for S7-300
TSAP in Hex :Device ID, RackSlot: 03.03
for S7-400
Digital data address sample:
S7 PLCaddress
Address Sample
DB1.DBX 2.0
DB1.DBX 3.5
DB1.DBB 2.1 取 3 bits
DB1.DBB 3.4 取 2 bits
Analog data address sample:
S7 PLCaddresss
Address Sample
DB2.DBW 4
DB2.DBB 1
DB2.DBW 64 float
Text data address sample:
S7 PLC address
Address Sample
DB9.DBW 0

format
DBX1,2
DBX1,3
DBB1,2
DBB1,3
WebAccess address
Start bit
length
Conversion Code
0
1
Unsigned Integer
5
1
Unsigned Integer
1
3
Unsigned Integer
4
2
Unsigned Integer
format
DBW2,4
DBB2,1
DBW2,64
WebAccess address
Start bit
length
Conversion Code
0
16
Unsigned Integer
0
8
Unsigned Integer
0
32
Real
format
DBW9,0
WebAccess address
TextLen Conversion Code
32
Text
Reference:
Page 1