Getting Started
Part No.: 4417584_Rev12 Configuration Manual
CIU 888 3 - 100
Modbus Server Idle time-
out
This indicates the idle time period in seconds after
which a client connection would be closed by the Mod-
bus TCP server.
IP filtering This would enable/disable IP filtering. If enabled, CIU
888 would accept the connections from only configured
IP addresses / IP address range
0 - IP address filter is disabled
1 - IP address filter is enabled
Allowed IP Addresses This indicates the IP addresses from which connection
is accepted by the CIU 888's Modbus TCP server. The
IP addresses are given with a comma separation. For
example, 192.168.1.11,192.168.1.12
Allowed IP Range This indicates the IP address ranges from which con-
nection is accepted by the CIU 888's Modbus TCP
server. The IP address ranges are given with a comma
separation. For example, 192.168.1.10-
192.168.1.15,192.168.1.25-192.168.1.35
Unit Id Filtering This indicates if Modbus Unit ID filtering is to be
enabled/disabled in CIU 888.
0 - Modbus Unit ID filter is disabled
1 - Modbus Unit ID filter is enabled
Allowed Unit IDs This indicates the Modbus unit Ids for which CIU 888's
Modbus server would respond with data.
Field Scan enable This would enable / disable the Modbus TCP Server on
the ethernet port.
0 - Modbus TCP/IP server disabled
1 - Modbus TCP/IP server enabled
Field Scan IP address The IP address of a CIU 888 TCP/IP host port
Field Scan port number The IP port number for the modbus host port (which is
502 by default).
Turn around delay Ensite Pro com port turn around delay.
0-65535 msec
This entity, stored in the global area of a site database,
is for internal use only.
Ensite Pro will not download this entity to any CIU.
Time-out CIU 888 HostPort time-out.
0-65535 msec
Retries This entity was originally defined for the number of
retries on the FieldPort.
However the software of the CIU has implemented dif-
ferently. Imagine a tank, with number of retries set to
five, does not answer. This tank will decrease the scan
performance
Parameters Configuration options
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