Siemens QLCDM024DCBAN Critical Discrete Module

Overview

The Siemens QLCDM024DCBAN is a Critical Discrete Module (CDM) for Quadlog safety PLC systems. It connects discrete DC sensors and actuators to the control module’s IOBUS. It provides 32 configurable channels for multiple discrete signal types. Additionally, it features advanced diagnostics for fault detection. This module ensures reliable operation in safety-critical industrial automation applications.

Technical Specifications

Model: QLCDM024DCBAN
Type: Critical Discrete Module
System Compatibility: Siemens Quadlog Safety PLC

Number of Channels: 32
Channel Configuration:

• Input

• Output

• Event recording input

• Event recording output

• Pulse output

Input Type: Current sinking
Output Type: Current sourcing
Supply Voltage: 24 VDC
Current Rating: 0.32 A
ROM Version: 3.04

Diagnostics:

• Pulse test diagnostics

• Requires Safety-Related Switch Adapter (SRSA) for input diagnostics

• Detects field wiring faults, channel-to-channel shorts, and power shorts

Protection:

• Soft-fuse circuit on each output channel

• Prevents short-circuit damage across channels

• Resettable locally or remotely

Operating Temperature: –25°C to +60°C
Dimensions: 49 × 14 × 2.7 cm
Weight: 0.4 kg