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MELSEC-Q
4 SETTING AND PROCEDURE BEFORE OPERATION
(2) QJ71BR11
(a) LED indications
Same as the optical loop system. (Refer to Section 4.2.1 (1).)
(b) Station number setting switches
These switches set the station number of the network module in the
network. (Factory default: 1)
Setting Description
0 Remote master station setting
1 to 32 Setting of a remote sub-master station
33 to 64 Setting error (The ERR. LED does not turn on (red).)
65 to 99 Setting error (The ERR. LED turns on (red).)
(c) Mode setting switch
This switch sets the operation mode. (Factory default: 0)
Set the mode setting switches in the same position on all network modules.
Setting Description
0 Online (The mode selected by the network parameter will be enabled.)
1 Self-loopback test
2 Internal self-loopback test
3 Hardware test
4 to F Use prohibited
(d) Coaxial connector
An F-type connector for a coaxial cable is connected. (Refer to Section
4.8.2.)
(e) Serial number display
This display indicates the serial number of the rating plate.