This article provides the specifications for the Legacy 3000U USB Controller

See information below for specifications for the Legacy 3000U USB Controller

Supply Voltage and Current

• +5 Vdc, nominal (+4.35 to +5.25 Vdc)
• 50 mA, typical at +5 Vdc. Average power dissipation is 0.25 W, typical
• Power is obtained from 5V supply on the USB connector. No external power supply is needed. 
• Total noise and ripple requirement must be less than 100mV (p-p) for frequencies below 1MHz, and less than 50mV (p-p) for frequencies above 1MHz.

Interface
• USB High Speed
• Plug and play compatible

Operating Modes
• AccuTouch SmartSet protocol
• Initial/Stream/ Untouch/ Z-axis Enable Modes

Touch Resolution
• Approximately 4096x4096, 12 bit resolution

Conversion Time
• Approximately 8.6 ms per coordinate set

Reliability
• MTBF greater than 250,000 hours per MIL-HDBK-217-F2 using the parts stress calculation method for the ground benign environment with an ambient temperature of 25°C

Environmental

Temperature
• Operating: 0°C to 65°C
• Storage: -25°C to 85°C

Humidity
• Operating: 10% to 90% RH, noncondensing
• Storage: 10% to 90% RH, noncondensing

Operating Altitude
• 10,000 ft maximum

Shock and Vibration
• ISTA 2A standard for shock
• Three axis sine wave, 50Hz to 2kHz, 1G, 2 minutes/Octave with dwell on resonance

ESD
• Per EN 6100-4-2 1995: Level 4. Contact discharge 8kV, air discharge 15kV for USB and screen connector

Flammability
• The printed circuit board substrate is rated 94V0. All plastic components, such a headers and connectors, are also rated 94V0.
• In addition, circuitry is protected by Raychem Polyswitches, which are UL recognized components.

Physical Characteristics

Construction
• Four-layer surface-mount design with internal ground plane for EMI suppression

Dimensions
• Total Width: 2.28 inches (57.9 mm)
• Total Length: 3.50 inches (88.9 mm)
• Total height: 0.65 inches (16.5 mm)
• All mounting holes are plated through-holes for chassis ground connection. Refer to the drawings at the end of this document.

Connectors and Pin Definitions
• The connector configuration permits the controller to be placed in-line between the touchscreen and a USB hub or host attachment.

USB Output Connector
The USB connector, P2, is a USB Series "B" receptacle as specified in section 6.5 of the USB specification, version 1.1. The pins are numbered as shown in the figure below.
Figure 1. P2, USB board-mounted header and cable-mounted plug



Table 1. USB connector pin numbers and signal names



Touchscreen Connector
The touchscreen connector, P3, is a single row by five-position header with 0.025 inch square pins spaced on 0.100 centers. P3 mates with the receptacle on the AccuTouch touchscreen cable. The pins are numbered as shown in the figure below.
Figure 2. P3, AccuTouch touchscreen cable-board mounted header and cable-mounted plug



Table 2. AccuTouch touchscreen connector pin numbers and signal descriptions



LED Diagnostic Characteristics
The CTR-300000-AT-USB-00 controller has two LED status indicators.
A green LED (D1) indicates controller status as follows:



A second LED (D6) indicates USB status as follows:



Agency Approvals
• Elo controllers are "CNR/USR" UL Recognized Components for USA and Canada, Category NWGQ2, Information Technology Equipment Including Business Equipment.
• Elo controllers are TUV Bauart certified as components.
• The 3000U controller has passed compliance testing under FCC Part 15 Class B limits with good margin.
• Depending on the application, it may be necessary to pay special attention to system grounding and shielding, and it may be necessary to apply ferrite suppressor beads.

Drawings
Footprint

Top View

Bottom View


Side View


Note: Side view values represent typical dimensions.