Description

ABB CC‑U/STDR 1SVR040011R2500 Dual‑Threshold Analog Signal Converter

Technical Specifications

• Part Number: 1SVR040011R2500 (Model: CC‑U/STDR)ABB Group
• Brand: ABB
• Warranty: One Year
• Power Supply: 110‑240 VAC 50/60 Hz / 100‑300 VDC universal supply; power consumption 5.5 VA @230 VACABB Group
• Input Signal: Multi‑range configurable via side DIP‑switches: 0‑20 mA, 0‑10 V and other standard process signals; total 7 selectable input ranges
• Output: 2 independent SPDT change‑over relay outputs
  • Resistive: 4 A @250 VAC; 4 A @24 VDC
  • Inductive: 3 A @230 VAC; 2 A @24 VDC
• Threshold & Hysteresis: Each channel threshold adjustable 2‑100 % FS; hysteresis adjustable 5‑50 % FS via front‑panel potentiometerseero
• Isolation: 3‑way galvanic isolation (input / power / output) for breaking ground‑loop interference
• Operating Temperature: ‑20 °C ~ +60 °C cabinet‑mount; storage ‑20 °C ~ +70 °C
• Mounting: DIN‑rail TS35‑7.5; IP20 module housing; plug‑gable removable screw terminal blocks for input, output and power wiring
• LED Indicators: Green = power OK; two yellow LEDs for relay‑output status feedback
• Accuracy: Repeat accuracy ±0.5 % full scaleeero
• Dimensions / Weight: 22.5 mm ×105 mm ×120 mm; approx 0.125 kg

Product Overview

The CC‑U/STDR 1SVR040011R2500 belongs to ABB CC‑U series universal signal converter. It converts analog process signals (4‑20 mA / 0‑10 V) into hardware relay alarm contacts. Two independent threshold channels support high‑limit / low‑limit monitoring. Users set threshold and hysteresis via front‑panel potentiometers; side DIP‑switches select input range and fail‑safe mode (open‑circuit / closed‑circuit principle). Three‑way galvanic isolation eliminates ground‑loop noise in heavy‑EMI plant cabinets. Removable terminals allow module replacement without re‑crimping field cables.

This unit solves analog‑limit‑alarm challenges: hardware‑level threshold relay outputs without PLC logic dependency, flexible multi‑range configuration, and drop‑in spare compatibility for legacy DCS‑/PLC‑system retrofit‑maintenance projects. DCS & automation engineers, power‑plant and petrochemical‑site maintenance technicians and retrofit integrators benefit most. Typical applications: pressure, flow, temperature analog‑signal limit‑alarm interlock loops in power‑utility, oil‑gas and process‑industry control cabinets.

Key Application Notes

• DIN‑rail signal‑conditioning module; cannot operate standalone; requires external analog transmitter input and correct power supply ‑DIP‑switch must match field‑input signal type; mis‑setting will produce wrong threshold trigger points ‑Not hot‑swap; disconnect AC/DC power supply before module replacement ‑Three‑way isolation separates field‑sensor side, power‑supply side and relay‑contact side ‑Fail‑safe action can be configured for input‑wire‑break fault condition ‑Origin: Germany; active OEM production ‑Follow ABB CC‑U series manual for threshold tuning and EMC‑compliant field‑wiring