7-1
DP/PA Link and Y Link Bus Couplings
A5E00193841-011
Commissioning the Y Link
Overview of contents
This chapter describes the steps involved in commissioning the Y link. A detailed
explanation of these steps is found in subsections 7.2 and 7.3
Section Topic Page
7.1 Commissioning the Y link 7-1
7.2 Configuring the Y link 7-2
7.3 Configuring the underlying DP slaves 7-4
7.1 Commissioning the Y link
Prerequisites
The following prerequisites must be met before you commission the Y link:
You must have completed the setup and wiring of the DP/PA link as described
in Sections 3 and 4.
You must have completed the setup of the H system and the redundant DP
master system. PROFIBUS-DP must be ready for operation.
You must have completed the setup of the underlying DP master system and
have connected it to the Y coupler. PROFIBUS-DP must be ready for operation.
Commissioning the Y link
Step Activity
1 Configure the Y link.
2 Configure the underlying DP slaves.
3 Switch on the power supply for the Y link.
4 Set the PROFIBUS address of the IM 157 (see Section 6.4).
5 Load the configuration into the target system.
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