Burkert 8745 MFC Ethernet, Руководство по эксплуатации

Страница: 19 / 70

19
Description
Type 8745 Ethernet, 8745 Analogue
5.4.2 Status LED for the fieldbus
communication (product variant
Ethernet)
A product variant Ethernet has an LED to show the status of the
communication between the product and the PLC (Program -
mable Logical Controller).
Tab. 5: Description of the communication LED
communication
led
description meaning
Green RUN Cyclic data is being exchanged
between the product and the fieldbus
master
Red ERROR No cyclic data is being exchanged
between the product and the fieldbus
master
5.5 Memory card
NOTICE
If the memory card is defective or lost, buy a new memory card
at your Bürkert sales office.
The product is delivered with a memory card that is inserted in
the product.
When the product is energised, there are two possibilities:
•
If product-specific data is stored on the inserted memory card,
the product adopts the data. At product delivery, the memory
card contains product-specific data. To get a list of the stored
data, refer to the Help for the Initiation file that can be down -
loaded from country.burkert.com .
•
If the inserted memory card is empty, the product loads its
own data on the memory card. A new memory card is empty.
The data on the memory card can be transferred to another
product with the same article number. For example, the data can
be transferred from a defective product to a new product.
5.6 büS-interface
The büS-interface is used for short-term servicing of the product
with the Bürkert Communicator software.
→ To connect the product to the Bürkert Communicator
software, refer to chpt. 10.4 .
5.7 Control valve of an MFC
The MFC is equipped with one of the following control valve types:
•
A direct acting, normally-closed proportional valve.
•
A motor-driven valve that is called motor valve. If de-energised,
the motor valve remains in its latest position.
The control valve provides the sealing function when the fol -
lowing conditions are met:
•
The product is used within the specified pressure range.
•
The product is equipped with a valve seat seal that is made of
a soft material such as FKM or EPDM.
English