Specifications

CP143 H1 / TCP/IP manual Software
Rev. 00/07 5-27
5.8.3 Indirect addressing
The configuration windows for H1-transport or TCP-connections allow access to the input window
for indirect addressing via the < IndAdr > button. Indirect addressing can only be used with the job
types FETCH and WRITE.
Fig. 5-14: Indirect addressing for TCP
Here you may specify a static area where the specifications for source and destination data as well as
the indicator word may be entered.
Source/destination
Contains the source or destination for FETCH/WRITE in the local PLC. You may supply the
following entries:
Operand DB-No. Offset Length Type
DB 1..255 0..2047 1..2048 Data module
MB 0..255 1..256 Flag byte
EB 0..127 1..128 Input byte
AB 0..127 1..128 Output byte
PB 0..255 1..256 Peripheral byte
ZB 0..255 1..256 Counter cells
TB 0..255 1..256 Timer cells
BS 0..511 1..512 System data
AS 0..32767 1..32768 absolute addresses
DX 1..255 0..2047 1..2048 extended data module
DE 1..255 0..2047 1..2048 external data module
QB 0..255 1..256 extended peripheral byte
Tab. 5-1: Possible entries for source/destination with indirect addressing