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SIMATIC S7-400 SM 421, DI 32x120 V UC
SIMATIC S7-400 SM 422, DQ 16x30/230 V UC/relay/5 A
SIMATIC S7-400 SM 422, DQ 32x24 V DC/0.5 A
- SIMATIC S7-400,
- Digital output SM 422,
- Isolated 32 DO;
- 24 V DC, 0.5 A
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