WAGO I/O Systems 750-425 2-channel digital input NAMUR

750-425 2-channel digital input NAMUR

Number of digital inputs 2

Total number of channels (module) 2

Signal type NAMUR

Sensor connection 2 x (2 conductors)

Input characteristic positive switching

Input filter (digital) 3ms

Signal current (0) NAMUR ≤1.2mA

Signal current (1) NAMUR ≥2.1mA

Open circuit voltage 8.2V

Short circuit current ≤ 8.2 mA

Sensor supply DC 8.2 V

Switching hysteresis 0.2mA

Input resistance 1,000Ω

Input pulse pause ≥3ms

Protection against incorrect wiring Short circuit monitoring: > 6.5 mA

Cable break monitoring: < 0.2 mA

Diagnosis short circuit, wire break

Data width input data (internal) max. 4 bits

Data width 4 bits In: 2 bit data, 2 bit error (short circuit/cable break)

System supply voltage DC 5 V; via data contacts

System supply current consumption (5 V) 5 mA

Field supply voltage DC 24 V (-25 … +30 %); via power contacts (feed-in via blade contact; forwarding (only field supply voltage) via spring contact)

Electroelectric isolation 500 V system/field

Display elements LED (A, C) green: status DI 1, DI 2; LED (B, D) red: error DI 1, DI 2

Number of incoming power contacts 2

Number of outgoing power contacts 2

Current carrying capacity of power contacts 10 A