Hardware and Connections
2-17
7SA6 Manual
C53000-G1176-C156-2
Figure 2-17 2-pin connector and 3-pin connector
Ordering information for the pin connectors is provided in Section A.1 of the Appendix.
The design of the pin connectors is such that only correct connections can be made.
For example, the design of the 2-pin connector allows connection only to pins “a” and
“b”. An erroneous connection to pins “b” and “c” is excluded.
The pin connectors snap in to the plug-in terminals. The connectors can be removed
without tools.
Control wires are connected to contacts of the pin connectors. Wires with 0.5 mm
2
to
2.5 mm
2
diameter (AWG 20 to 14) can be accommodated.
Use only flexible copper control wire!
The following crimp connectors can be used:
Tin-plated version:
Diameter 0.5 mm
2
to 1.0 mm
2
:
e.g. Bandware 4000 pieces type: 0–827039–1 from Messrs. Tyco Electronics AMP
Individual piece type: 0–827396–1 from Messrs. Tyco Electronics AMP
Diameter 1.0 mm
2
to 2.5 mm
2
:
e.g. Bandware 4000 pieces type: 0–827040–1 from Messrs. Tyco Electronics AMP
Individual piece type: 0–827397–1 from Messrs. Tyco Electronics AMP
Connection of a conductor to a contact is performed using the following tools:
e.g. Hand crimping tool type: 0–734372–1 from Messrs. Tyco Electronics AMP
Stencil type: 1–734387–1 from Messrs. Tyco Electronics AMP
The use of individual pieces is recommended.
Gold-plated version
(recommended):
Diameter 0.75 mm
2
to 1.5 mm
2
:
e.g. Bandware 4000 pieces type: 0–163083–7 from Messrs. Tyco Electronics AMP
Individual piece type: 0–163084–2 from Messrs. Tyco Electronics AMP
Connection of a conductor to a contact is performed using the following tools:
e.g. Hand crimping tool type: 0–539635–1 from Messrs. Tyco Electronics AMP
Stencil type: 1–539668–2 from Messrs. Tyco Electronics AMP
The use of individual pieces is recommended.
After the wires are crimped, the contacts are pressed into the terminals of the connec-
tor until they snap into place.
Stress relief for individual pin connector must be provided with cable ties. Stress relief
must also be provided for the entire set of cables, e.g., cable ties.
a
b
a
b
c
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