6ES7321-7RD00-0AB0

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The following analog and digital input and output modules are suitable for use in hazardous plants. They separate the non-intrinsically safe electrical circuits of the automation system and the intrinsically safe electrical circuits of the process. Sensors and actuators suitable for placing in zoneВ 1 orВ 21 andВ 2 orВ 22 hazardous areas as well as intrinsically safe equipment compliant with DINВ 50020 and [EExВ ib]В IIC can be operated on these modules.

All Ex modules come with diagnostics capability (channel and module diagnostics).

Ex modules identified by "redundant design possible" (6ES7В 321-7RD00-0AB0, 6ES7В 322-5SD00-0AB0, 6ES7В 331-7RD00-0AB0, 6ES7В 332-5RD00-0AB0) can also be configured redundant when used in non-hazardous plants.