You searched for "4DI"
SIEMENS
Siemens 3RK1200-0CQ20-0AA3 Slave Standard 4DI IP67
Part: 3RK1200-0CQ20-0AA3
IP67 Siemens slave interface module with 4 digital inputs for fieldbus communication systems.
SIEMENS
Siemens 3RK1400-1DQ00-0AA3 AS-İ K60mm 4DI/4DO-2A Interface IP67
Part: 3RK1400-1DQ00-0AA3
Siemens industrial automation interface module for digital input/output control in harsh environments.
SIEMENS
Siemens 3RK1200-0CE00-0AA2 AS-I S22,5 4DI
Part: 3RK1200-0CE00-0AA2
Compact Siemens AS-I digital input module for industrial control cabinets and automation systems.