Siemens SIMATIC S5 Manual page 189

DB1 Parameters, DB1 PAFE, TRT
Parameter
Block ID:
Parameters for PLC to PLC Connection
STBS
STBR
Argument
n
MBx
MBy
Parameters for Cyclic I/O
Parameters for ZP Master Function
ZPDB
ZPMS
ZPM
ZPLI
Argument
a
b
DWc or X
DWd or X
DWe or X
DWf or X
DBx
MBy
MBz
ZPDB
ZPSS
ZPSA
ZPSE
Argument
DWa or X
DWb or X
DWc or X
DWd or X
DBx
MBz
* A bit time unit is the time it takes to transmit one bit (reciprocal of the baud rate).
** The next flag byte is reserved as the length byte.
A-2
Argument
SL2:
n MBx
n MBy
Permissible Range
1 to 31
1 to 254
1 to 253
DBx
MBy
a b DWc DWd
DWe DWf
MBz
Permissible Range
1 to 126
0 to 62
0 to 255
0 to 255
0 to 255
0 to 255
2 to 255
1 to 254
1 to 253
Parameters for ZP Slave Function
DBx
MBz
DWa DWb
DWc DWd
Permissible Range
0 to 255
0 to 255
0 to 255
0 to 255
2 to 255
1 to 254
Significance
SINEC L2
Job number and location of status byte 'Transmit'
Job number and location of status byte 'Receive'
Explanation
Job number
Flag byte
Flag byte
Reserved data block for cyclical I/Os
Status byte (STB) for ZP master
ZP master/slave connection (max. 32 connections
can be programmed)
Status byte (STB) for ZP slave life list
Explanation
ZP slave station address
L2 SAP of ZP slave (if S5-95U is ZP slave, enter
61)
ZPA lower limit; data word; X for "non defined"
ZPA upper limit; data word; X for "non defined"
ZPE lower limit; data word; X for "non defined"
ZPE upper limit; data word; X for "non defined"
Data block
Flag byte
Flag byte
Reserved DB for cyclical I/Os
Status byte (STB) for ZP slave
ZP slave output area
ZP slave input area
Explanation
ZPA lower limit; data word; X for "non defined"
ZPA upper limit; data word; X for "non defined"
ZPE lower limit; data word; X for "non defined"
ZPE upper limit; data word; X for "non defined"
Data block
Flag byte
S5-95U, SINEC L2
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EWA 4NEB 812 6112-02