iT300 Series Models iT300 and iT301 Intelligent ConfigurableTransmitters Installation and Operating Manual
This document contains information on the installation, configuration and operation of the iT300 Series of Intelligent Transmitters. The vibration transmitters are designed and manufactured in the USA by Wilcoxon Sensing Technologies, Germantown, Maryland.
The iT300 Series of configurable transmitter modules perform acquisition and processing of dynamic vibration signals.The transmitters are field configurable. Configurable parameters include: input signal type, measurement bandwidth,detector type, output type, English or metric measurement units, 4-20 mA driving source and full-scale range. Configuration may be performed in the field, using a common web browser. No custom or proprietary software is required. There are no hardware jumpers to set.
The iT300/301 transmitters accept vibration signals from piezoelectric (IEPE-type) accelerometers,piezovelocity transducers (PVT™)and other sensors with comparable electrical characteristics. They also feature an input for connection to a Model 786T-type (or compatible) temperature sensor.
The iT300/301 transmitter module conditions, digitizes and processes the input signal using powerful DSP technology. All filtering, frequency selection, sub-sampling and power detection is performed digitally,for consistent, reliable results. Selected measurement results are then scaled and converted to dual4-20 mA analog outputs. On iT301 models, measurement results and operational status are also mapped to Modbus digital outputs.
iT300/301 transmitters are housed in a durable plastic enclosure with a 35 mm DIN rail mount. The transmitter front panel features multiple LEDs, a BNC connector for the buffered sensor output, a “factory restore” push-button switch, and a standard RJ45 jack for the Ethernet connection. The LEDs provide at-a-glance operational status and indicate when power, sensor and 4-20 mA loops are correctly connected to the transmitter and working properly. Removable, uniquely-keyed terminal blocks allow for easy wiring and ensure correct terminal block installation into the various transmitter IO ports.
Key features:
General features (all models):
●Field configurable via standard web browser
●0.2 Hz –20 kHz signal bandwidth (-3.0 dB, -0.1 dB)
●20 V p-p sensor input range, >90 dB dynamic range
●DSP signal processing with 1,600-line FFT
●Built-in 4.5 mA constant current source for IEPE sensors ●Buffered sensor output on the front-panel BNC connector ●Buffered, dynamic signal outputs on terminal block
●RMS, peak and peak-to-peak detection
●Fast, true-peak detector for capturing short transients and impulses
●Dual, 4-20 mA active current loop outputs with diagnostic test mode
●Two configurable frequency bands
●Digital acceleration-to-velocity or velocity-to-displacement conversion, based on sensor type
●Selectable English or metric measurement units
●6-way isolated (500 VAC) IO ports to prevent ground loops
●Wide, 11-32 VDC power supply input with reverse polarity and transient protection
●TBUS power and data buses
●ESD and short circuit protection on all ports
●Pluggable, individually-keyed terminal blocks with screw terminals on all ports
●Multiple front panel LED status indicators
●Front panel factory restore switch
●Auto-MDIX 10/100 Ethernet with HTTP web server
●Field upgradable firmware
●35 mm DIN rail mounting, stackable on TBUS
●4-terminal wide (22.5 mm) modular housing
●Wide operating temperature range of-40 °C to +70 °C
●CE approvals, RoHS compliant
iT301 advanced features:
●Configurable alarms
●Relay output with NO/NC contacts and test mode
●Modbus over RS485
●Modbus TCP over Ethernet
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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10/18 |
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Rev. C.1 |
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91457 |
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2.8 MB |
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