2 NAMES AND FUNCTIONS OF EACH PART
2-3
①
LINK LED
Lights when data is transmitted over the line from the LQE550, regardless of the kind of the
data.
②
MAIN/SUB selector switch
In mounting two units of the LQE550 on a single unit, use this switch to specify to which they
are connected, the main link or the sublink.
Table 2-1 lists the possible switch settings.
Table 2-1 MAIN/SUB Selector Switch Settings
Setting Explanation
0 Main
link
1 Sublink
2 to F
Unused
NOTICE
Do not set the MAIN/SUB selector switch to 2 to F. Switch setting to 2 to 4 may
render the module inoperable or destroy transfer data (G000 to GFFF).
③
CPU number selector switch
Set a number between 0 to F to identify each CPU or LPU that is connected to the CPU link
line.
The CPU number that is set here differs from the PCs number that is set with a special tool.
④
Terminal block
Used to connect
⑤
to
⑧
below. Houses removable connectors.
⑤
LINK1 line connection terminal
Connect the cable from the CPU or LPU in the preceding stage to this terminal.
LINK1 is internally wired to LINK2.
⑥
LINK2 line connection terminal
Connect the cable from the CPU or LPU in the next stage to this terminal.
LINK1 is internally wired to LINK1.
Summary of Contents for LQE550
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Page 28: ...1 SPECIFICATIONS ...
Page 34: ...2 NAMES AND FUNCTIONS OF EACH PART ...
Page 38: ...3 MOUNTING AND WIRING ...
Page 46: ...4 OPERATION ...
Page 75: ...4 OPERATION 4 30 Figure 4 33 An Example of a CPU Link Parameters Output in CSV Format ...
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Page 80: ...5 PROGRAMMING ...
Page 88: ...6 MAINTENANCE ...