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SM 1226 fail-safe digital input- 16 inputs (SIL 2/category 3/PL d), 8 inputs (SIL 3/category 3 or category 4/PL e) or a mixture
- Rated input voltage 24 V DC
- Suitable for switches and 3/4-wire proximity switches (BERO)
- Two short-circuit proof sensor supplies, each one for eight inputs; external sensor supply possible
- Module fault indicator (DIAG; green and red LED)
- Status indicator for each input (green LED)
- Fault indicator for each input (red LED)
- Plain text identification of module type and function class:
- 2D matrix code (article and serial number)
- Color coding of the module type DI: White
- Hardware and firmware version
- Complete article No.
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