Channel assignment
Each transducer and temperature channel on Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 is assigned a sensor type, units and processing range.
Bently Nevada · Machinery Monitoring HardwareMoore Automation · Technical Record
Bently Nevada · 1900/65A General Purpose Equipment Monitor
Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 | 1900/65A General Purpose Equipment Monitor
RELAY LOGIC · 4–20 MA RECORDING · CONFIGURABLE SENSOR INPUTS
Complete model · 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01
01
Product Description
The Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 records a second exact 1900/65A option pair for a general-purpose equipment monitor. It combines four transducer inputs, four temperature inputs and configurable alarm/output handling in the same monitor family.
On Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01, the transducer channels accept the supported vibration, position and speed sensor types while the temperature channels process thermocouple or RTD signals. Relay states and recorder values are generated from the configured variables.
The 01-01-03-00-00 and 01-01-03-00-01 suffix records on Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 must remain visible during configuration because the final fields are part of the exact option identity.
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Technical Data
- Brand
- Bently Nevada
- Complete models
- 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01
- Product type
- General Purpose Equipment Monitor
- Transducer inputs
- 4
- Temperature inputs
- 4
- Relay outputs
- 6
- Recorder outputs
- 4 × 4–20 mA
- Buffered output
- Dedicated channel buffer
- Speed variables
- Up to 4
- Speed full scale
- 100–100,000 rpm
- Input impedance
- 10 kΩ
- Transducer frequency
- 1–600 Hz or 4–4000 Hz bands
- Temperature channels
- Type E/J/K/T and 2/3-wire RTDs
- Units
- °C or °F
- Mounting
- DIN rail, bulkhead or weatherproof enclosure
- Communications
- Modbus/configuration software
- Option record
- 01-01-03-00-00 and 01-01-03-00-01 retained exactly
03
Configuration and Programming
Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 depends on channel assignments and alarm logic, so the programming record must stay aligned with the exact suffix.
Alarm setup
Alert and Danger thresholds, delays and relay behavior are configured from the variables selected for the monitor.
Output mapping
Recorder current outputs and the buffered output are mapped to chosen variables instead of assuming the same assignment for every 1900/65A option string.
04
Diagnostics and Protection
Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 exposes monitor status and alarm conditions so the configured relay and recorder paths can be checked.
OK status
The monitor evaluates each enabled variable and reports its OK condition before an alarm relay is allowed to represent a healthy state.
Alarm delay
Configured Alert and Danger delays prevent a transient variable from immediately changing the relay state on Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01.
Communication check
Front-panel, software and Modbus values allow the recorded variable, relay state and configuration to be compared during a diagnostic check.
05
Product Q&A
Why can Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 give the wrong relay response after a setting change?
For Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01, verify the source variable, Alert/Danger thresholds, delay and relay destination as one chain. Changing only the relay label can leave the external circuit tied to a different condition.
How should a 4–20 mA loop be traced on Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01?
Trace the selected sensor or temperature channel to its assigned recorder output on Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01, then compare the measured current with the monitor display. This identifies whether the fault is in channel mapping, output wiring or the receiving PLC.
What sensor mismatch can make Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 unusable?
The channel type on Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 must match the installed accelerometer, velocity, proximity, speed, thermocouple or RTD input. Selecting a different family changes the scaling and alarm calculation.
How can a customer tell a monitor fault from field wiring on Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01?
Compare the front-panel value, configuration-software value, Modbus value and relay state for Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01. Agreement inside the monitor with a missing external signal points toward recorder or field wiring.
Why must the final option field stay with Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01?
The final fields of Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 are part of the exact option records. Dropping them can cause the channel wiring, relay logic or approval check to be matched to the wrong monitor.
What is the quickest way to check an intermittent Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 alarm?
Review the channel OK state, alarm delay and configured source for Bently Nevada 1900/65A-01-01-03-00-00 / 1900/65A-01-01-03-00-01 before changing thresholds. The monitor can report a short input fault or delayed state that is not visible in the steady measurement value.
06
Alarm Configuration
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