Operating Instructions
IS1 PROFIBUS 3.00 E
- Technical alterations reserved -
20
PROFIBUS DP interface for IS1+
Typical start-up process between a class 1 master (M) and slave (S)
The following table shows the typical telegram traffic between master and slave during the start-up process:
Start-up process:
M
S
Req. Slave Diag
M
S
Res. Slave Diag
Status_1:
Not Ready
Status_2:
PRM_REQ (parameter request)
Status_3:
OK
master addr. FFH
ident number
049AH
--------------------------------------------------------------------------------------------------
M
S
Req. Set parameters LOCK+SYNC+WD_ON
WD_Factor_1: 1
WD_Factor_2: 10
min st.delay
11
ident number:
049AH
group ident
0000H
user prm data ....
(variable data area with parameters)
M
S
Res. SC
(short confirmation)
--------------------------------------------------------------------------------------------------
M
S
Req. Check Config
57H 8 word Input
Example of configuration:
57H 8 word input 4 modules with input data
11H 16 bit input
3 modules with output data
11H 16 bit input
67H 8 word output
67H 8 word output
20H 8 bit output
M
S
Res. SC
(short confirmation)
--------------------------------------------------------------------------------------------------
M
S
Req. Slave Diag
M
S
Res. Slave Diag
Status_1:
OK
Status_2:
WD_ON
Status_3:
OK
master addr.
01H
ident number
049AH
-------------------------------------------------------------------------------------------------
Cyclic data exchange:
M
S
Req. Data Exchange (output data)
M
S
Res. Data Exchange (input data)
Abbreviations:
Req. = Request
Res. = Response
SC = Short Confirmation
M
S = Request telegram of master to slave
M
S = Response telegram of slave to master