Brand: Bently Nevada
Category: Asset Condition Monitoring
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for 3300/03
Uploaded: Nov. 21, 2025, 7:22 p.m.
Manual Publish Date: 1991-01-01
Warranty Information
No warranty period is specified in the document.
The System Monitor provides functions such as power-up inhibit, rack inhibit, supply voltage monitoring, system reset, and trip multiply. It also features an OK Relay for fault annunciation and alarm setpoint adjustments. Data interfaces like DDM, TDM, SDI, DDI, and TDI are supported. Keyphasor® transducers can be connected for speed measurement. The manual details assembly, disassembly, data interface removal, front panel installation, monitor options, programmable options, OK relay configuration, operational testing, Keyphasor operational testing, and recommended spare parts. Specifications cover inputs, outputs, and environmental conditions.
Troubleshooting and error codes
| LED ON AFTER 2 SECONDS | System Monitor OK | None |
| LED NOT ON | No power | Check power source and connections. |
| VOLTAGE OUT OF TOLERANCE (Keyphasor Test) | Faulty field wiring or Proximitor | Repair field wiring or Replace Proximitor. |
| SIGNAL NOT OK (Keyphasor Test) | Faulty system monitor, probe, external cabling, or probe gap | Refer to transducer manual and check probe, external cabling, and probe gap. Replace System Monitor if necessary. |