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Installation Guidelines
•
Use jumper X11 to set the total length of the 721 connecting cables of one interface up to the
last EU. The decisive factor for setting jumper X11 is the interface with the longest connection
line.
If you use IPs and CPs on the EU, you must set the longest cable length!
9 7 5 3 1
Jumper
location
10 8 6 4 2
Up to 100 m
Cable length
(330 ft.)
•
Jumpers X14 and X15 can be set as follows for the IM 304/314 distributed connection:
X14
3
2
X15
3
2
Note
If the PEU signal is not evaluated, provision must be made in the restart routine to
make sure that the EU is ready for operation before the CC or that the process images
are updated in OB1.
3-26
Jumper X11
9 7 5 3 1
10 8 6 4 2
100 m (330 ft.)
to 250 m
(820 ft.)
1
PEU signal is generated if at least one interface reports
2
"Not ready".
3
1
PEU signal is generated only if both interfaces report
"Not ready".
2
3
1
PEU signal is not evaluated.
1
PEU signal is evaluated.
Note: When power is turned on in the EU or in the CC, manual
cold restart (RN-ST-RN) is also necessary.
9 7 5 3 1
9 7 5 3 1
10 8 6 4 2
10 8 6 4 2
250 m (820 ft.)
450 m (1500 ft.)
to 450 m
to 600 m
(1500 ft.)
(2000 ft.)
S5-115U Manual
EWA 4NEB 811 6130-02b
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