WAGO I/O Systems 750-421 2-channel digital input

750-421: 2-channel digital input, 24VDC, 3ms, with diagnostic function.

2-channel digital input; 24 VDC; 3 ms; Diagnostics.

Technical data of WAGO I/O Systems 750-421 2-channel digital input

Number of digital inputs 2

Total number of channels (module) 2

Signal type Digital

Signal type (voltage) 24 VDC

Sensor connection 2 x (2-wire, 3-wire)

Input characteristic high-side switching

Input filter (digital) 3ms

Input current per channel for signal (1) typ. 3.7mA

Voltage range for signal (0) −3 … +5 VDC

Voltage range for signal (1) 15 … 30 VDC

Output current per channel 0.5A

Short-circuit current 1.5 A, pulsating due to thermal overload protection

Sensor supply 24 VDC

Diagnostics Short circuit, automatic acknowledgment after error rectified

Input data width (internal) max. 4Bit

Supply voltage (system) 5 VDC; via data contacts

Current consumption (5 V system supply) 12mA

Supply voltage (field) 24 VDC (-25 … +30 %); via power jumper contacts (power supply via blade contact; transmission (field side supply voltage only) via spring contact)

Isolation 500 V system/field

Indicators LED (A, C) green: Status DI 1, DI 2; LED (B, D) red: Error DI 1, DI 2

Number of incoming power jumper contacts 2

Number of outgoing power jumper contacts 2

Current carrying capacity (power jumper contacts) 10A