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MELSEC-A
4 SETUP AND PREPARATION BEFORE OPERATION
Number
Name and
appearance
Description
Use the switches in STATION NO. "10", "20" and "40" to set the tens of the station number.
Use the switches in STATION NO. "1", "2", "4" and "8" to set the units of the station number.
The switches are all factory-set to OFF.
Always set the station number within the range 1 to 64.
Setting any other number than 1 to 64 will result in an error, flickering the "L ERR." LED.
You cannot set the same station number to two or more stations.
Tens UnitsStation
Number
40 20 10 8 4 2 1
1 OFF OFF OFF OFF OFF OFF ON
2 OFF OFF OFF OFF OFF ON OFF
3 OFF OFF OFF OFF OFF ON ON
4 OFF OFF OFF OFF ON OFF OFF
10 OFF OFF ON OFF OFF OFF OFF
11 OFF OFF ON OFF OFF OFF ON
64 ON ON OFF OFF ON OFF OFF
(Example) To set the station number to "32", set the switches as indicated below.
Tens UnitsStation
Number
40 20 10 8 4 2 1
32 OFF ON ON OFF OFF ON OFF
4)
Station number
setting switches
Setting Switches
Set Value
421
Transmission
Speed
0 OFF OFF OFF 156kbps
1 OFF OFF ON 625kbps
2 OFF ON OFF 2.5Mbps
3 OFF ON ON 5.0Mbps
4 ON OFF OFF 10Mbps
5)
Transmission
speed setting
switches
Always set the transmission speed within the above range.
The switches are all factory-set to OFF.
Making any other setting than the above will result in an error, flickering the "L ERR." LED.
6) Terminal block Used to connect the module power supply, transmission and I/O signals.
7) DIN rail hook Used to mount the module to the DIN rail.