OVERVIEW

Official designation: SCHMERSAL SRB-E-201ST01 (SRB-E Series, Safety Monitoring Module)

Role/Application: Configurable safety relay module for emergency stop and safety gate monitoring, achieving high safety integrity levels (PL e, SIL 3) with options for 1 or 2 channel input control.

KEY SPECS SUMMARY

Power: 24 V DC (19.2 V DC to 28.8 V DC)

Interfaces / Ports: Plug-in terminals, 0.25 to 2.5 mm squared

Indicators: Five LEDs (RUN, ERR, In 1, In 2, Out)

Operating Temp: Minus 25 degrees C to 60 degrees C

Platform / Compatibility: DIN rail mount, Category 4, IP40 enclosure

Limit: Drop-out delay less than 10 ms

Lifecycle: Active, Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the maximum safety output switching capacity and signaling output rating?

A: The safety outputs (Stop 0) have a maximum of 5.5 A at 24 V DC.

Wiring & Installation:

Q: What are the main physical dimensions of the SRB-E-201ST01 for enclosure planning?

A: The dimensions are 98 mm height, 22.5 mm width, and 115 mm depth.

Troubleshooting & Compatibility:

Q: What is the typical pull-in delay when the automatic reset function is used?

A: The maximum pull-in delay during automatic reset or start is typically 150 ms.

Replacement & Upgrades:

Q: Does this module support cross-wire detection and short-circuit detection on the input lines?

A: Yes, the SRB-E-201ST includes built-in wire breakage and cross-circuit detection features.