Siemens M200D 用户手册
Installation / connection
4.1 Installation
M200D AS-Interface Basic
Manual, 03/2009, A5E01668085-01
Manual, 03/2009, A5E01668085-01
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4.1.6
Setting the AS-i address
Unique addressing
In the factory setting, an I/O module (slave) has the address 0. It is detected by the master
as a new slave that has not yet been addressed and, in this condition, has not yet been
integrated in standard communication/data exchange.
To enable data to be exchanged between the master and slaves, you have to assign a
To enable data to be exchanged between the master and slaves, you have to assign a
unique address for each slave (i.e. each slave address must be different) when
commissioning the AS-Interface network.
You can select any address in the address space from 1A to 31A and 1B to 31B.
You can select any address in the address space from 1A to 31A and 1B to 31B.
Thus a maximum of 62 nodes are possible in one AS-Interface network.
Addressing the slaves
You can set the slave address in different ways:
● Offline with the addressing unit at the AS-i connection.
● Offline with the addressing unit at the AS-i connection.
Recommended if you want to assign addresses for the entire system. The direct
connection between the slave (motor starter) and addressing unit ensures that the slaves
are not mixed up.
● Online by the AS-i master or in the PLC configuration software.
Recommended if you want to assign addresses to individual slaves if an addressing unit
is not available.
Before assigning addresses, you must ensure that each address exists only once in the
AS-i network, that is, several new, additional modules (with address 0 in as-delivered
condition) must not be connected to the AS-i cable.
CAUTION
As soon as you have assigned a valid address outputs can be set or inputs read that result
in follow-up switching operations. To prevent a hazardous condition switch off the voltage
U
AUX
.