Siemens SIMATIC S5 ET 200U - Structure of the Diagnostics Word after Request of the Manufacturer Identification

4-33
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
The “manufacturer identification” byte describes the type of slave station.
L KY n,2
T PW 252
The number of the slave station (n = station number) from
which the manufacturer identification is requested must
be stored in the byte “diagnostics address”; in the byte
“diagnostics address + 1” the code for the “manufacturer
identification” (= 2) has to be stored.
76543210 76543210
Diagnostics Word “Manufacturer identification”, code = 2
Diagnostics address Diagnost. address + 1
10000000 00000010
Manufacturer identification for ET 200U(DP Siemens) slave station (8002
H
)
Figure 4-13 Structure of the Diagnostics Word after Request of the Manufacturer Identification
Request Manufac-
turer Identification
ET 200U(DP Siemens): AddressAssignment,Starting–Up,Diagnosing Faults Using COMET200