S5-115F Manual Installation Guidelines
3.3.4 Front Connectors
Various front connectors are available for wiring:
Table 3-2. Front Connector Overview
1 When plug-in jumpers are used, the conductor cross sections are reduced.
2 Use crimp snap-in contacts with the order no. 6XX5 070 (Qty: 250)
* Flexible cable with end sleeves: 0.75 to 1.5 mm
2
** With end sleeves: 0.5 to 1.5 mm
2
*** 1.5 mm
2
with jumer comb
Order No.
6ES5 490-7LB11
6ES5 490-7LC11
6ES5 490-7LB21
6ES5 497-4UB11
6ES5 490-7LA11
(with crimp snap-in contacts)
6ES5 490-7LA12 (without
crimp snap-in contacts)
2
Terminals per
Front Connector
24
46
46
42
46
Connection Method
Screw connection
(SIGUT)
Spring-loaded connection
Screw connection***
(box terminal)
Crimp snap-in
(mini-spring contact)
Wire Cross Section
per Terminal
1
1 x (1.0 ... 2.5) mm
2
or
2 x (0.5 ... 1.5) mm
2
*
1 x (0.25 ... 1.5) mm
2
**
or
max. 1.5 mm
2
in the case of
combinations of conductors
in one end sleeve
1 x (0.5 ... 2.5) mm
2
or
2 x (0.5 ... 0.75) mm
2
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In general, we recommend use of end sleeves, especially where corrosion is to be expected.
24-pin 46-pin 46-pin
Screw-type connections Crimp snap-in connections
46-pin
Spring-loaded connection
Figure 3-27. Front Connector - Front View
The connectors have openings at the bottom for standard strain-relief clamps.
EWA 4NEB 811 6148-02
3-29
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