I. Interpretation of Complete Model Segments 1900/65A – 00 – 00 – 01 – 00 – 00
1900/65A: Product base model, universal multi-functional equipment monitor
Section 1: Power supply type → 24VDC direct current power supply (01 for 110/220VAC alternating current)
Section 2: No explosion-proof / shipyard certification
Section 3: With local LCD liquid crystal display panel (00 for bare machine without display)
Section 4: No special software customization
Section 5: Standard firmware version
Basic positioning
The 1900 series integrated monitoring instrument of Betley, which combines vibration + temperature multi-channel monitoring, is used for general rotating equipment such as fans, pumps, air compressors, and small compressors, independently completing measurement, alarm, and protection interlock, and can be directly connected to DCS/PLC.
Channel input specifications
1) 4 universal sensor channels (vibration / displacement)
Software freely configurable compatible with three types of probes:
Eddy current proximity probe (shaft displacement, gap voltage)
Magnetic-electric speed sensor
2/3-wire piezoelectric accelerometer (vibration intensity)
Measurement bandwidth: 0.5Hz ~ 25kHz, built-in 4th order high-pass and low-pass digital filtering
2) 4 temperature acquisition channels
Supported:
K/E/J/T type thermocouples
2-wire / 3-wire RTD platinum resistance
Output signal configuration
6 programmable relays
Divided into warning Alert, danger Danger, OK Normal, common fault, contact can be customized as normally open / normally closed, used for shutdown interlock, sound and light alarm.
4 4-20mA analog conversion
Any channel value converted into standard current sent to PLC/DCS.
1 buffer signal output: oscilloscope external connection of original waveform for diagnosis
Communication interface (standard on this device)
RJ45 Ethernet: upper software configuration, data upload
RS485: Modbus RTU, connect to third-party control systems
Front panel debugging serial port: local parameter debugging, fault log reading
Hardware electrical and size
Power supply: 18~36VDC (this model 00 DC version)
Overall size: 170 × 125 × 70 mm
Installation: DIN rail installation + panel embedded dual use
Operating temperature: -40℃ ~ +85℃, wide temperature industrial environment
Event storage: 200 failure / start-stop historical records
Panel operation functions (suffix 01 with LCD screen)
LCD digital screen + navigation keys, locally complete:
Real-time value viewing, alarm threshold modification, fault reset, channel configuration, historical fault review, no need for computer for basic debugging.
Typical application scenarios
Power plant / chemical circulating water pumps, induced draft fans, cooling fans
Air separation, refining small-scale air compressors, boosters
Metallurgical dust removal fans, rolling mill auxiliary pumps
Buildings, water plants large pump units
Mining, cement production line general rotating equipment status protection
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