PRODUCT DESCRIPTION
SIEMENS GQD326.1A - Fail-safe Digital Input Module
The SIEMENS GQD326.1A is a SIMATIC S7-300 fail-safe digital input module engineered for safety-related applications within industrial automation systems. This module provides 24 digital input channels for processing safety-critical signals from field devices, integrating directly into SIMATIC S7-300 programmable logic controllers. It facilitates the implementation of safety functions up to Safety Integrity Level (SIL) 3 and Performance Level (PL) e, crucial for machine safety and process control.
Technical Specifications:
- SERIES/FAMILY: SIMATIC S7-300 SM 326
- COMPONENT TYPE: Fail-safe Digital Input Module
- ELECTRICAL SPECS:
- NOMINAL INPUT VOLTAGE: 24V DC
- INPUT CURRENT: Approximately 7 mA per channel (typical)
- POWER CONSUMPTION: Approximately 3.5 W (from backplane)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact module
- MOUNTING: DIN rail
- INTERFACE/CONTROL:
- INPUT CHANNELS: 24 digital inputs
- SIGNAL TYPE: Sink/Source configurable
- COMMUNICATION: Backplane bus to CPU, PROFIsafe protocol support
- SAFETY INTEGRATION: F-CPU compatible
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- COOLING METHOD: Natural convection
- OPERATING TEMPERATURE: 0 to 60 degrees Celsius
- COMPATIBILITY/APPLICATION:
- COMPATIBLE PLCS: SIEMENS SIMATIC S7-300 F-CPUs
- SAFETY STANDARDS: IEC 61508 up to SIL 3, ISO 13849-1 up to PL e
- TARGET APPLICATIONS: Emergency stop systems, safety door monitoring, light curtains, two-hand controls, and other safety-critical machine and process control functions.