Technical Specifications and Interface Details
The Siemens 6ES5435-7LB11 digital input module belongs to the SIMATIC S5 product family. This module provides 8 digital input channels for interfacing with field devices like sensors and switches. Each channel operates at a nominal voltage of 24V DC and supports direct connection of up to 8 sensors. The module features a compact design that fits standard S5 rack systems. Its dimensions measure approximately 13.3 cm x 6.6 cm x 14.0 cm and it weighs around 0.3 kg. A 20-pin front connector enables straightforward and reliable wiring to the system bus.
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model Number | 6ES5435-7LB11 |
| Product Family | SIMATIC S5 |
| Input Channels | 8 (digital) |
| Nominal Voltage | 24V DC |
| Input Current per Channel | 7 mA |
| Sensor Type Compatibility | Mechanical contacts, proximity switches (BERO, 3- and 4-wire) |
| Cable Length | Up to 100 m (unshielded) |
| Dimensions | 13.3 x 6.6 x 14.0 cm |
| Weight | 0.3 kg |
| Front Connector | 20-pin |
Functional Capabilities
The 6ES5435-7LB11 module actively reads signal states from connected sensors. It converts these input signals into digital data that the central processing unit can process. A built-in input delay of 6 ms effectively debounces switch contacts to eliminate false readings. The module provides electrical isolation between the internal logic circuits and the field inputs for enhanced protection. This digital input module ensures reliable acquisition of on/off signals from various industrial sensors.
Application Scenarios
This module suits manufacturing systems requiring the monitoring of discrete field inputs. It efficiently collects data from position switches, level indicators, and pushbuttons. The 6ES5435-7LB11 integrates seamlessly into existing S5-based architectures. Its robust construction ensures dependable operation in electrically noisy factory environments. Users can count on this legacy module to maintain and upgrade their current automation setups.
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