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5.7 Setting I/O-Scanning
5.7.1 Activating I/O scanning
I/O scanning is activated/deactivated by means of the parameter
EthMbScanner.
▶
If you do not want to use I/O scanning, set the parameter
EthMbScanner to "Off".
Parameter name
HMI menu
HMI name
Description Unit
Minimum value
Factory setting
Maximum value
Data type
R/W
Persistent
Expert
Parameter address
via fieldbus
EthMbScanner Modbus TCP I/O scanning
0 / Off: Modbus TCP I/O scanning off
1 / On: Modbus TCP I/O scanning on
I/O scanning only works if the parameter
EthMode is set to Modbus TCP.
Changed settings become active immedi-
ately.
-
0
1
1
UINT16
UINT16
UINT16
UINT16
R/W
per.
-
CANopen 3044:28
h
Modbus 17488
Profibus 17488
CIP 168.1.40
5.7.2 Setting the master for I/O scanning
Entering the IP address of a master reserves I/O scanning for this
master. This means that no other master on the network can perform
I/O scanning.
WARNING
UNINTENDED EQUIPMENT OPERATION DUE TO UNLIMITED ACCESS
If the IP addresses are not set correctly, any network device may
control the system or access by the master may be blocked.
•
Verify that you have set the correct master IP address.
Failure to follow these instructions can result in death, serious
injury or equipment damage.
The IP address of the master for I/O scanning is set by means of the
parameters EthIPmaster1 ... EthIPmaster4.
▶
Set the IP address of the master for I/O scanning with the parame-
ters EthIPmaster1 ... EthIPmaster4.
5 Commissioning
LXM32M
46
Modbus-TCP module
0198441113843, V1.01, 01.2012