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Electric Components
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Automation technology
Automation systems
SIMATIC Industrial Automation Systems
Controllers
Advanced Controllers
S7-400-S7-400H-S7-400F-FH
Signal modules
Digital modules
L31-Siemens-SM 422 digital input module
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SIPLUS S7-400 digital modules
L32-Siemens-SIPLUS S7-400 SM 421
L33-Siemens-SIPLUS S7-400 SM 422
L30-Siemens-SM 421 digital input module
L31-Siemens-SM 422 digital input module
L31-Siemens-SM 422 digital input module
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