Allen Bradley 1746-WS Weigh Scale Module for SLC‑500

FAQ

Q1: What is the 1746‑WS used for?
It is a weigh scale module designed to measure weight and weight rate for process applications in SLC 500 systems.

Q2: What controllers is the 1746‑WS compatible with?
It plugs into the backplane of Allen‑Bradley SLC 5/02 through 5/05 PLC models.

Q3: How many load cells can be connected?
Up to eight strain gauge type load cells (typically 350 Ω) can be supported.

Q4: What excitation voltage does it provide?
It supplies a regulated +5 V DC ±5 % excitation for load cells.

Q5: What is the resolution and update speed?
It uses a 20‑bit analog‑to‑digital converter with around 985,000 counts resolution and updates about 20 times per second.

Q6: Does it include calibration features?
Yes — electronic C2 calibration is built in, and traditional or manual calibration is possible via ladder logic.

Q7: What physical size and weight does the 1746‑WS have?
Dimensions are about 5.5 × 1.3 × 5.7 in (140 × 33 × 145 mm) with a weight close to 0.50 kg.

Q8: Is the 1746‑WS still current from Rockwell Automation?
No — this weight scale module is a legacy part and not recommended for new installations; modern alternatives exist.

1746-WS Allen Bradley

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