S5-115F Manual Communications Capabilities
Point-to-point connection
You can connect an S5-115F direct to other controllers using a point-to-point connection. This
saves you additional transceivers or interface modules.
The following table lists possible partners.
Table 7-5. Communications Partners in Point-to-Point Connection
ConnectionPartners
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S5-115U with CPU 943/944 Direct via 2nd serial CPU interface
S5-95U Direct via 2nd serial interface
S5-115U/H, S5-135U, S5-155U/H Via CP 530
There are two ways of establishing the connection:
• Via a bus cable (LAN) with transceivers (BT 777) or
• Via a direct line if both controllers are less than 100 m / 328 ft. apart. Use a four-wire shielded
cable with a cross-section of at least 0.14 mm
2
(26 AWG). SIMATIC cable 6ES5 707-1AA00 is
recommended.
Connect a 15-pin Cannon subminiature D connector with metal shell to each end of the cable.
Figure 7-5 shows the connector pin assignment.
S5-115F
(passive side)
* Connect shield also to the connector shell
Shield* / M
ext
Communications partner
(active side)
a
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a
13
9
2
12
11
6
7
15
6
7
9
2
1
8
1
8
T×D+
T×D -
R×D+
R×D -
Figure 7-5. Connector Pin Assignment for Direct Point-to-Point Connection
EWA 4NEB 811 6148-02
7-9
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