TA-2: 16 Channel Ethernet Data Acquisition Node
- Description
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Description
General Describtion:
The ITA 2 is a 16 Channel Ethernet Acquisition Node in which the inputs can be paired for simultaneous sampling.
This enables X-Y plts and orbits from rotating machinery to be displayed. Displacement transducers (known as proximity or eddy current probes) are the most common measuring device for this type of application, and the ITA 2 is fully compatible with the input range of these devices. The node features programmable AC/DC coupling enabling high resolution vibration and DC gap measurements to be taken from the same probe.
Flexible trigger and tacho functions are available, enabling pre and post trigger and order analysis to be preformed. Gated acquisition is available ensuring that readings are taken when a machine is running.
The node communicates via a standard 10BaseT ethernet interface and supports UDP/IP and TCP/IP protocols. It comes in an IP66/NEMA4X enclosure with power supply.
Features
- 8 Simultaneous Input Pairs
- 16 Single Input Option
- Proximity Probe Compatible
- Programmable AC/DC Coupling
- Programmable Gain and Filters
- Flexible Trigger Tacho Functions
- 10BaseT Ethernet Interface
Technical Specifications
Analogue Inputs: |
|
| No of Channels: | 16 |
|---|---|
| Configuration: | 8 simultaneous pairs of 16 single inputs |
| Input Voltage Range | 0 to -24V |
| Coupling: | AC or DC, configurable per channel |
| Voltage Protection: | Fault protection to 40V |
| Common Mode: | 40V between channels (including commons) |
| Anti-Alias Filter: | Compound analog filter with roll-off better than 20th order filter with cut-off frequency related to sample rate |
| High Pass Filters: | Programmable 4th order with corner frquencies 0.5, 2, 10 and 100 Hz |
| Channel Crosstalk: | -75dB (typ.) |
| Amplitude Accuracy: | +-2% typical passband |
| Harmonic Distortions: | -75dB (typ.) |
| Acquisition Modes: | Mode 1 – Data on Demand Mode 2 – Data ready flag Mode 3 – Data broadcast |
Triggers: |
|
|---|---|
| No of Channels: | 4 |
| Coupling: | 5-24 Vdc, isolated or non-isolated |
| Tacho Speed Range: | 0.01Hz-10kHz using once-per-rev (divide-by-N up to 255 available) |
| Order Analysis: | Phase-lock-loop for order analysis function |
| Averaging: | 1, 2, 4, … 32768 programmable |
| Trigger Delays: | Pre-trigger delay up to 16384 and post-trigger up to 32768 samples |
| Event Trigger: | 2 trigger inputs can be used as event inputs to synchronise sampling |
| Gated Acquisition: | 2 trigger inputs can be used to enable and disable sampling |
Processing: |
|
|---|---|
| ADC: | 16 bit |
| Sampling Rate: | 64Hz to 51.2kHz |
| Effective Frequency Bandwidth Ranges: |
0.15Hz-25Hz to 0.15Hz-20kHz |
| Dynamic Range: | 96dB (theoretical) |
| Block Lengths | 256, 512, 1024, 2048, 4096, 8192, 16384 or 32768 (max length 16384 with averaging and 8192 with averaging and pre-trigger) |
| Watchdog Function: | Automatic recovery on power interruption or similar |
Outputs: |
|
|---|---|
| Status: | 4 LED\’s indicate system communication status |
| Interface Port: | RS232, 9600 baud for diagnosis |
Storage: |
|
| Memory Buffer: | 0.5 Mbyte free space |
Mechanical: |
|
|---|---|
| Protection: | NEMA 4X, IP66 |
| Enclosure: | Powder coated mild stell standard, or stainless steel optional |
| Node Dimensions: | 400 mm x 300 mm x 155 mm |
Environmental: |
|
|---|---|
| Temperature: | -20 C to 70 C |
Power: |
|
| Power Supply: | 7-12Vdc or 24Vdc, or 85-260V ac power supply (optional) |
| Power Consumption: | 450mA approx when powered from 7-12Vdc, or 150mA when supplied from 24Vdc |
Communications: |
|
|---|---|
| Network: | Ethernet |
| Medium: | 10Base-T |
| Cable: | CAT5 recommended |
| Connectors: | Weidmuller terminal connectors |
| Speed: | 10Mbits/sec |
| Isolation: | 1000Vrms |
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