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SM 523 digital input/output modules- Installation on the S7-1500 mounting rail using one single screw
- Uniform 40-pole front connector with push-in terminals
- Connectable core cross-sections: 0.25 mm2 to 1.5 mm2 (AWG24 to 16)
- Prewiring position of the front connector
- Front flap with expandable cable compartment, even if fully wired
- Unambiguous labeling on front of module:
- Module type
- Article No.
- Hardware and firmware version
- Channel numbers labeling
- Cabling diagram
Included in the product package: - One labeling strip for manual labeling
- One U connector
- Printed front door
- Front connectors
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