Siemens Simatic 6ES7 157-0AD81-0 A0 Series - Page 12

Contents
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DP/PA Link and Y Link Bus Couplings
A5E00193841-011
Figures
1-1 Integration of the DP/PA coupler in the system landscape 1-4. . . . . . . . . . . . .
1-2 Integration of the DP/PA link in the system landscape 1-5. . . . . . . . . . . . . . . .
1-3 Integration of the Y link in the system landscape 1-6. . . . . . . . . . . . . . . . . . . . .
3-1 Typical configuration of the DP/PA link for non-redundant operation 3-4. . . .
3-2 Typical configuration of the DP/PA link for redundancy operation 3-6. . . . . . .
3-3 Typical configuration of the Y link 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1 Braided screen of the PROFIBUS cable on the grounded shield bus 4-3. . .
4-2 Configuration with a grounded supply 4-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3 Configuration with ungrounded reference potential 4-6. . . . . . . . . . . . . . . . . . .
4-4 DP/PA coupler connections for stand-alone operation 4-7. . . . . . . . . . . . . . . .
4-5 DP/PA link connections for non-redundant operation 4-8. . . . . . . . . . . . . . . . .
4-6 DP/PA link connections for redundancy operation 4-9. . . . . . . . . . . . . . . . . . . .
4-7 Y link connections 4-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-8 Power supply for IM 157 4-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-9 PROFIBUS-PA connection 4-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-10 PA bus terminating switch 4-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-11 Length of insulation stripped 4-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1 HW Config: DP/PA link in hardware catalog 6-4. . . . . . . . . . . . . . . . . . . . . . . . .
6-2 HW Config: Minimum configuration of an S7-400H with a DP/PA link 6-4. . .
6-3 Example of a configuration with COM PROFIBUS 6-9. . . . . . . . . . . . . . . . . . .
6-4 Entering the PROFIBUS address 6-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-5 Example for setting the PROFIBUS address 6-11. . . . . . . . . . . . . . . . . . . . . . . .
7-1 HW Config: Y link in hardware catalog 7-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-2 HW Config: Minimum configuration of an S7-400H with a Y link 7-3. . . . . . . .
8-1 Start-up behavior of the IM 157 after power is switched on 8-3. . . . . . . . . . . .
8-2 Start-up behavior of the two IM 157 modules in redundant operation 8-5. . .
8-3 Update directly via PROFIBUS-DP (programming device/PC is
connected directly to the IM 157) 8-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4 Update via MPI to the CPU and then via PROFIBUS-DP
(programming device/PC is connected to the CPU) 8-14. . . . . . . . . . . . . . . . . .
10-1 Structure of the standard diagnosis 10-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-2 Example of a slot assignment 10-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-3 Structure of the module diagnosis 10-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-4 Structure of the module status 10-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-5 Structure of the status message 10-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-6 Structure of the status message, continued 10-11. . . . . . . . . . . . . . . . . . . . . . . . .
10-7 Structure of the H status of the IM 157 in redundant operation
on the S7-400H 10-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-8 Structure of the interrupt section on the redundant S7 master
that is not capable of DPV1 10-14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10-9 Structure of the interrupt header on the DPV1-capable DP master 10-15. . . . .
10-10 Structure of the additional interrupt information for the
insertion/removal interrupt 10-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1 Field device supply A-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-2 Extension of PROFIBUS-PA with a DP/PA link or DP/PA couplers A-4. . . . .
A-3 Partyline and star-type topology A-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C-1 Configuration example (excerpt from HW Config) C-4. . . . . . . . . . . . . . . . . . . .