Cable Connection - Mitsubishi Electric MELSEC Q Series User Manual
Programmabale web server module
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Also See for MELSEC Q Series:
- User manual (834 pages) ,
- Reference manual (674 pages) ,
- Programming manual (624 pages)
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4 SET-UP AND PROCEDURE BEFORE OPERATION
4.4 Cable Connection
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This section explains how to connect cables to the Web server module.
To realize a reliable system and fully utilize the Web server module functions, wiring
resistant to external noise is required.
(1)
Ground the RS-232 Cable shield at only one point.
(2)
When connecting to an external device with an RS-232 cable, use a connector
shell specified in Section 3.2 for the Web server module side.
(3)
Sufficient safety precautions must be taken when installing the 100BASE-TX and
10BASE-T networks.
Consult a specialist when connecting cable terminals or installing trunk line
cables, etc.
(4)
Use a 10BASE-T/100BASE-TX connection cable compliant to the standards
shown in Section 2.4.
(5)
The bending radius near the connectors should be four times larger or more than
the cable's outside diameter.
(6)
Connect the external device according to its specifications.
(7)
Do not short the FG signal and SG signal of the RS-232 connection cable.
When the FG signal and SG signal are connected inside the external device, do
not connect the FG signal to the Web server module.
MELSEC-Q
4 - 8
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