Switches - Mitsubishi Electric MELSEC ST Series Installation Manual

Modular input/output system
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3.1.3

Switches

Use the head station switches to set the station number for addressing this slave station in the
PROFIBUS/DP.
The station number can be set in a range between 0 and 99. If the value "150" is set, then the
head module executes a self diagnosis.
Each of the 8 switches has a certain value. The total set value is a result of the sum of the values
of all switches that are in the "ON" position.
Station number
Self-diagnostics
150
For example, in the illustration above station number 32 is set.
NOTES
Only set station numbers in the range of 0 to 99, and set the value "150" for self-diagnostics.
If other values are set, then an error will occur after switching on or resetting the head
module.
The sum resulting from the switch settings for the single digits (8, 4, 2, and 1) may not exceed
the value of "9".
MELSEC ST Series
ON
S
80
T
40
A
20
T
I
10
O
8
N
4
2
N
1
O
80
40
0
OFF
OFF
1
OFF
OFF
2
OFF
OFF
3
OFF
OFF
4
OFF
OFF
10
OFF
OFF
11
OFF
OFF
98
ON
OFF
99
ON
OFF
80
40
ON
ON
: ON
: OFF
Settings
10s place
20
10
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
ON
20
10
ON
ON
Description of the Modules
1s place
8
4
2
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
8
4
2
OFF
OFF
OFF
1
OFF
EIN
OFF
ON
OFF
OFF
ON
OFF
ON
1
OFF
21

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