Siemens SIMATIC S5-115U, Руководство пользователя

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Installation Guidelines S5-115U Manual
• Set the jumpers on X12 to adapt the cable length for distributed connection.
When you set the jumpers on X12, use the longest link connected to interface X3 or X4 to
determine the setting.
If you use IPs and CPs on the EU, you must set the longest total length, regardless of the length
of the connection line.
X12
The maximum total length of the distributed connection is
100 m (330 ft.) per interface.
X12
Total length between 100 m (330 ft.) and 250 m (820 ft.)
Total length between 250 m (820 ft.) and 450 m (1500 ft.)
Total length between 450 m (1500 ft.) and 600 m (2000 ft.)
7
5
3
1 8
6
4
2
7
5
3
1 8
6
4
2
X12
X12
7
5
3
1 8
6
4
2
7
5
3
1 8
6
4
2
• Set the jumpers on X14 and X15 as follows for the IM 304-3UA1/IM 314 distributed con-
nection:
3 2 1
The PEU signal (I/Os not ready) is not evaluated in the ISTACK. X14
3 2 1
The PEU signal (I/Os not ready) is evaluated in the ISTACK.
Note: When power is turned on, cold restart (RN-ST-RN) is also
necessary.
3 2 1
X15
The PEU signal is output in the ISTACK if one interface reports
"Not ready".
3 2 1
The PEU signal is output in the ISTACK if both interfaces
report "Not ready".
3-24
EWA 4NEB 811 6130-02b