Mitsubishi Electric Melsec Q Series User Manual page 85

3 COMMUNICATIONS VIA OTHER NETWORKS
To go to a station on the network No.
from the local station.
Target Network No.
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(1) Target Network No.
Designate the Network No. of Ethernet or other networks to which the
communication request destination station or the communication request source
station is connected when sending a communication request message or a
response message, respectively.
(2) Relay Network No.
Designate the Network No. of Ethernet or other networks to which the next
communication relay reception station or the next communication relay
transmission station is connected when sending a communication request
message or a response message, respectively.
(3) Relay Station No.
Designate the station number of the target Ethernet module/network module that
is used as a relay to the network set by the Relay station No.
POINT
The following stations require the routing parameters to be set and registered:
1) The programmable controller CPU of the communication request source station
2) The programmable controller CPU of the stations (relay reception station and
relay transmission station) that relay communication request messages.
3) The programmable controller CPU of the stations (relay reception station and
relay transmission station) that relay response messages.
REMARKS
(1) The routing parameters setting is not necessary for the other station access on
the same Ethernet network as the external device/local station Q/LCPU.
(2) The routing parameters are designated in the following manner:
, relay through the station No.
Relay Network No.
(3) As an example, to perform other station access from station 1Ns3 to 3Ns4 in
the diagram in the next page, the following values are set to the stations which
require the routing parameter setting.
• Communication request source station : Station 1Ns3
• Communication relay station
The code used for each station in the diagram indicates the Network No. of
other networks or Ethernet, station type, and station number.
A maximum of 64 "Target Network No." can be set in the Q/LCPU.
64 types of Network No. can be accessed to other station via local station or
can be the request source.
However, the same transfer destination Network No. cannot be set two or
more times (multiple times).
, on the network No.
Relay
Station No.
: Station 1Ns4/2Mp1, and Station
MELSEC-Q/L
, which is the first communication relay
2Ns4/3Ns5
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