72
Operations Checklist Section 3-5
Wiring Master Is the Master Unit connected at the end of the main line when the
main line needs to be distinguished from the branch lines.?
Ye s N o
Is the cable connected to the Master correctly?
(Refer to 3-4 Master/Slave Connecting Cables for details.)
Ye s N o
With CQM1 Masters, has the alarm output terminal been wired?
(Refer to 6-4-2 Error Detection with the Alarm Output (CQM1 Only)
for details.)
Ye s N o
Slave Are the cables connected to the Slaves correctly?
(Refer to 3-4 Master/Slave Connecting Cables for details.)
Ye s N o
Is there just one Slave connected to each branch line when the main
line needs to be distinguished from the branch lines?
(Refer to 2-2-1 Main Line/Branch Line Connections for details.)
Ye s N o
Terminator Has just one terminator been connected at the end of the main line
opposite the Master?
(Refer to 2-2-3 Terminator Connection for details.)
Ye s N o
Main line length When the main line needs to be distinguished from the branch lines,
is the length of the main line within specifications?
(Refer to 2-2-2 Maximum Cable Length for details.)
Ye s N o
Branch line
lengths
When the main line needs to be distinguished from the branch lines,
is the length of the each branch line within specifications?
(Refer to 2-2-2 Maximum Cable Length for details.)
Ye s N o
Total branch line
length
When the main line needs to be distinguished from the branch lines,
is the total length of the branch lines within specifications?
(Refer to 2-2-2 Maximum Cable Length for details.)
Ye s N o
Number of Slaves Is the number of Slaves within the limit set on the Master?
(Refer to SECTION 4 Master Unit Specifications and Operations for
details.)
Ye s N o
When using 4-conductor VCTF cable or Special Flat Cable, are the
main line length and total branch line length of the system with a
maximum of 16 Slaves within specifications?
(Refer to 2-2-2 Maximum Cable Length for details.)
Ye s N o
Cable Has just one kind of cable (Special Flat Cable or VCTF cable) been
used in the CompoBus/S System?
Ye s N o
If Special Flat Cables are used for multiple CompoBus/S Systems,
install the cables at least 5 mm apart from other Special Flat Cables.
Ye s N o
Noise Is the wiring separated from any power/high-voltage lines? Yes No
Cable 2-conductor VCTF
cable
Has 2-conductor (0.75 mm
2
) cable been used?
Ye s N o
4-conductor VCTF
cable
Has 4-conductor (0.75mm
2
) cable been used?
Ye s N o
Has the 4-conductor cable power supply been used to supply power
to the Slaves only (not for other purposes, such as I/O power sup-
ply)?
Ye s N o
Special Flat Cable Has the Special Flat Cable power supply been used to supply power
to the Slaves only (not for other purposes, such as I/O power sup-
ply)?
Ye s N o
Power supply 4-conductor VCTF
Cable, Special Flat
Cable
Does the power supply configuration match the plan?
(Refer to 2-3 Supplying Power to the Slaves for details.)
Ye s N o
With local and dual power supply Slaves, is there a separate power
supply for the I/O?
(Refer to 2-3 Supplying Power to the Slaves for details.)
Ye s N o
2-conductor VCFF
cable
Have the Slaves been wired correctly? (The Units can be damaged if
the power supply is connected to the communications terminals.)
(Refer to 2-3 Supplying Power to the Slaves for details.)
Ye s N o
Item Check Answer
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