Fail-safe 4-channel digital input module for industrial automation, 24V DC, IP20 rated, and compliant with PROFIsafe V2.0.
Product Model750-661/000-003
Product ID47901
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureFail-safe Design
2
Feature4-Channel Digital Input
3
Feature24V DC Voltage
4
FeatureCompact Design
5
FeatureWide Operating Temperature Range
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Protocols
PROFIsafe V2
Configuration options
PROFIsafe address adjustable via DIP switch or engineering software
Indicators
LED (A-D) green/red: Status/Error I1 I4; LED (E) red: Group error; LED (F-H) green/red: Diagnostics
Number of Channels
4
Number of digital inputs
4
Signal type
Voltage
Signal type (voltage)
24 VDC
Sensor connection
4 x (Fail-safe input with test pulse)
Input characteristic
Clock sensitive
Input current per channel for signal (1) typ.
2.2mA
Signal frequency (max.)
50Hz
Supply voltage (system)
5 VDC; via data contacts
Current consumption (5 V system supply)
145mA
Supply voltage (field)
24 VDC, SELV/PELV (-15 +20 %); via power jumper contacts (power supply via blade contact; transmission (field side supply voltage only) via spring contact)
Current consumption, field supply (module with no external load)
