Siemens PR6423-00C-030 Industrial Control Module

Let’s talk about the Siemens PR6423-00C-030. This isn’t just another DIN rail module – it’s a workhorse for precision automation. We’ve seen it handle vibration monitoring systems in steel mills where temperatures routinely hit 55°C, and it keeps performing without hiccups. The 24V DC design makes integration with existing Siemens PLC systems straightforward, especially when upgrading legacy S7-300 installations.

Technical Specifications

Brand	Siemens
Model	PR6423-00C-030
Power	24V DC (Typ. 250mA)
Operating Temp	-20°C to +60°C
Certifications	CE, UL, RoHS

We’ve deployed these modules in various applications – from turbine monitoring systems at power plants to conveyor belt control in automotive factories. One customer in Singapore actually used them to retrofit an aging bottling line, achieving 0.1ms response times. It works particularly well with Siemens S7-400H redundant systems, though we’ve also paired it with Allen Bradley ControlLogix through proper protocol gateways.

This module’s real strength lies in its environmental tolerance. The IP67-rated housing handles both the humidity of Southeast Asian factories and the dust storms in Australian mines. We had one installed in a cement plant’s kiln control system that’s been running continuously for 18 months without maintenance – and that’s saying something given the particulate levels there.

Typical DIN rail installation configuration