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Siemens 6ES7321 Ex Digital Input Module

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Siemens 6ES7321 Ex Digital Input Module
Manufacturer: Siemens

Ex digital input modules convert the level of the external binary signals of the intrinsically-safe equipment from the Ex field into the internal signal level of the PLC.

Features Applications Model
  • Digital inputs for signals from the Ex field
  • For the connection of intrinsically safe digital equipment from the Ex field
  • 4 DI NAMUR
  • 4 digital inputs in 4 channel modules (single-channel isolation)
  • Connectable encoder in accordance with DIN EN 60947-5-6 and NAMUR, optionally with wired or unwired mechanical contacts
  • Diagnostics and diagnostics alarm programmable

Initiators to DIN 19 234 (NAMUR), wired contacts

Mfr. Part No. Description
6ES7321-7RD00-0AB0 SM321, 4DI, DC24V, HAZARDOUS AREAS

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