PROFIBUS DP Communication
‑156‑
When this expansion card is used, the written PZD1 and PZD2 are mapped to U3‑17
and U3‑16 respectively by default. If a command or frequency fails to be written into
the AC drive but PZD3 to PZD12 can be written and F0‑02 and F0‑03 are set to 2 and 9
respectively, check whether FE‑00 and FE‑01 are set to U3‑17 and U3‑16 respectively.
If not, manually correct the values of FE‑00 and FE‑01.
7.7 Communication Configurations
7.7.1 Configuring a Slave on the S7-300 Master in STEP 7 V5.4
Before using the PROFIBUS master, you need to configure the GSD file of the slave to
add the corresponding slave device to the system of the master. If the file exists, skip
step 2. You can obtain the GSD file from Inovance or its agent.
The configuration procedure is as follows:
1. Install the GSDML file. (Skip this step if the GSDML file has been installed.) Choose
Options > Manage general station description files (GSD).
2. Double‑click the hardware icon to access the HW Config interface, and choose
Options > Install GSD File to add the MD38DP2.GSD file (English path required),
as shown in the following figure.
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