Product overview
2.3 Properties
S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01
19
Properties of the connection technology
Table 2- 3 Properties of the connection technology
Properties of the connection technology Explanation
Twistable front connector
• Rapid module exchange during maintenance
(cable duct remains closed)
Pre-wiring position
• More user-friendly, because the module
wiring is easily accessible
• No loosening of the wiring when replacing a
module
• No electrical damage to the module is
possible, because it is not yet electrically
connected
Development of a potential group by the insertion
of potential bridges
• Reduced wiring effort on the front cable
connector
Integrated EMC concept (power supply element,
shielding bracket, and terminal element)
• Reduction of the interference emission and
optimization of the interference immunity
Consistent 40-pin front connector for all modules,
with a width of 35 mm
• Simplified ordering
Two snap-in positions of the front cover
• Flexible cable storage space
Automatic coding of the I/O modules and front
cable connectors
• Safe replacement of modules
Large label
• Sufficient space for clear identification and
user-specific labeling, e.g. symbolic
addresses
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