Fail-safe 4/4 channel digital I/O module for high safety applications, with 24VDC, 2A per channel, and PROFIsafe.
Product Model750-667/000-004
Product ID45597
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureDesigned for high safety applications meeting SIL3/Cat4/Ple or SIL2/Cat2/Pld standards.
2
FeatureFeatures 4 fail-safe digital inputs and 4 fail-safe digital outputs.
3
FeatureEach channel handles 24VDC and 2A.
4
FeatureEquipped with PROFIsafe communication capability.
5
FeatureMounted on a DIN-35 rail with secure spring CAGE CLAMP connections.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Protocols
PROFIsafe V2.6 (PROFINET) and V2.4 (PROFIBUS, PROFINET)
Configuration options
PROFIsafe address adjustable via DIP switch or engineering software
Indicators
LED (A-D) green/red: Status/Error I1 I4; LED (I-M) green/red: Status/error O1 O4; LED (E) red: Group error; LED (F-H) green/red: Diagnostics
Number of Channels
8
Pluggable connector
fixed
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
Type 1 per IEC 61131
Input current per channel for signal (1) typ.
3mA
Signal frequency (max.)
50Hz
Output current per channel
2A
Number of digital outputs
4
Output current
short-circuit-protected
Output current (module)
8A
Actuator connection
4 x (fail-safe output with test pulse)
Output circuit design
Power outputs
Switching frequency (max.)
50 Hz; Resistive load
Switching frequency (max.) (2)
0.1 Hz; Inductive load
Switching frequency (max.) (3)
0.1 Hz; Capacitive load
Capacitive load for each channel
O1 O4; 47 渭 F
Supply voltage (system)
5 VDC; via data contacts
Current consumption (5 V system supply)
120mA
Supply voltage (field)
24 VDC, SELV/PELV (-25 +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)
35mA
Number of incoming power jumper contacts
2
Number of outgoing power jumper contacts
2
Current carrying capacity (power jumper contacts)
10A
Achievable safety classes
SIL 3; Category 4, PLe (two-channel); SIL 2; Category 2; PLd (one-channel)
