Digital modules
8.3 SM 326; DI 24 x DC 24V
Fail-safe signal modules
76 Installation and Operating Manual, 01/2010, A5E00085586-10
8.3 SM 326; DI 24 x DC 24V
8.3.1 Properties, Front View, Connection Diagram, and Block Diagram
Order number
6ES7326-1BK02-0AB0
Properties
SM 326; DI 24 x DC 24V has the following properties:
● 24 inputs, electrically isolated groups of 12 inputs
● Rated input voltage 24 V DC
● Suitable for switches and 2-/3-/4-wire proximity switches (BEROs)
● Four short circuit-proof sensor supplies for each of the 6 channels, electrically
isolated in groups of 2
● External sensor supply possible
● Group fault display (SF)
● Safety mode display (SAFE)
● Status display for each channel (green LED)
● Configuration in Run (CiR) supported in standard mode (non-safety mode)
● Programmable diagnostics functions
● Assignable diagnostic interrupt
● Supports operation in standard and safety mode
● SIL3/Cat.4/PLe can be achieved without safety protector
● 1oo1 and 1oo2 evaluation can be configured separately for each channel
● Simplified PROFIsafe address assignment
● I&M identification data
● can be used with PROFINET IO
● supports time stamping
● Acknowledgment possible after voltage dip
Note
The fail-safe performance characteristics in the technical data apply to a proof-test interval of
10 years and a mean time to repair of 100 hours.
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