What Is SCADA? Supervisory Control Without Replacing the PLC
SCADA sits above PLCs and RTUs: it acquires field data, alarms operators, and issues supervisory commands across plants and remote assets—without replacing local deterministic control.

Designed for high-reliability rotating machinery protection, the Bently Nevada 3500/53-02-01 functions as a highly precise speed monitoring and overspeed protection module within the industry-standard 3500 Series Machinery Protection System. This module continuously evaluates shaft rotation speed to provide rapid-response overspeed detection, preventing catastrophic mechanical failures in critical industrial assets.
The 3500/53-02-01 configuration features a redundant two-channel structure and comes with North American hazardous area certifications. By interfacing directly with proximity probes or passive magnetic pickups, the system processes speed, acceleration, and reverse rotation data, executing emergency shutdown commands via its dedicated relay outputs within milliseconds of setpoint violation.
| Option Code | Configuration Type |
|---|---|
| 3500/53 | Electronic Overspeed Detection System Module |
| -02 | Two-Channel System Channel Option |
| -01 | CSA/NRTL/C Agency Approval Option |
| Manufacturer | Bently Nevada |
| Part Number/Model | 3500/53-02-01 |
| System Series | 3500 Series Machinery Protection System |
| Channel Configuration | Two Channel System (Option 02) |
| Agency Approvals | CSA / NRTL / C (Option 01) |
| Input Signals | Single transducer signal per channel (proximity probe or magnetic pickup) |
| Input Signal Range | +10.0 V to -24.0 V (internally limited) |
| Input Impedance | 20 kOhm |
| Power Consumption | 8.0 watts (typical) |
| Operating Temperature | -30 degC to +65 degC (-22 degF to +149 degF) |
| Storage Temperature | -40 degC to +85 degC (-40 degF to +185 degF) |
| Relative Humidity | 95% non-condensing |
| Country of Origin | United States |
| Shipping Weight | 2.0 kg |
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| Country of origin |
United States
|