Modbus Tcp - ABB SM1000 User Manual

Videographic Recorders
SM1000 and SM2000

4.2.1 Modbus TCP

IM/SMENET Issue 4
Select the required Modbus TCP configuration.
Disabled – Modbus TCP disabled.
Modbus TCP Server– instrument acts as a Modbus Slave
Modbus TCP Client – instrument acts as a Modbus Master
Note. Displayed only if 'Implementation'
Select the maximum number
connections permitted, min. 1, max. 9.
Note. Displayed only if 'Implementation'
Set the TCP/IP port-through used by the Modbus TCP network
– normally port 502.
Note. Displayed only if 'Implementation' is set to 'Modbus TCP
Server'.
All analog data is read from the instrument in IEEE format
contained in adjacent registers representing the data in high
word, low word order.
Select 'Yes' to reverse the IEEE data, otherwise select 'No'.
Note. Displayed only if 'Implementation' is set to 'Modbus TCP
Client'.
Set the poll rate in milliseconds – min. 0, max. 3600000.
Note. Displayed only if 'Implementation' is set to 'Modbus TCP
Client'.
Set the number of successive polls permitted to fail before the
data is marked as a failed input – min. 0, max. 4.
Note. Displayed only if 'Implementation' is set to 'Modbus TCP
Client'.
Set the timeout time in milliseconds for a single poll – min. 0,
max. 60000.
Note. If any RTU devices connected through a gateway are
polled, set a response time that is long enough to allow for the
normal turn around time from these devices. The configuration
allows for only one setting for all devices connected to the
network.
4 Modbus TCP
set to 'Disabled'.
is not
of simultaneous TCP/IP
set to 'Disabled'.
is not
13