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B-71
IntelliTouch 2500S Serial Controller
Electrical
Supply Voltage and
Current
+5 Vdc, nominal (+4.75 to +5.25 Vdc).
60 mA, typical at +5 Vdc. Average power dissipation is 0.3 W, typical.
Supply must be capable of sourcing 100 mA, minimum.
Total noise and ripple requirement must be less than 100 mV (p-p) for
frequencies below 1 MHz, and less than 50 mV (p-p) for frequencies above 1
MHz.
Interface
EIA 232E (Serial RS-232), DCE configuration. 8 Data Bits, 1 Stop Bit, No
Parity, Full Duplex.
Hardware handshaking: RTS/CTS
DSR is pulled HIGH (>+3V) by the 2500S when connected and powered. DTR
is ignored
Baud Rate
9600 (default) and 19200
Operating Modes
Full IntelliTouch SmartSet or E281A-4002 protocols, jumper selectable.
Initial/ Stream/ Untouch/ Z-axis Enable Modes.
Touch Resolution
4096x4096, size independent, 255 levels of Z (pressure).
Conversion Time
Approximately 10.4 ms per coordinate report.
Reliability
MTBF greater than 300,000 hours per MIL-HDBK-217-F2 (using the parts
stress calculation method for ground benign environment with an ambient
temperature of 25°C).
Environments
Temperature
Operating:0°C to 65°C.
Storage:-25°C to 85°C.
Humidity
Operating:10% to 90% RH, non-condensing.
Storage:10% to 90% RH, non-condensing.
Operating Altitude
10,000 feet.
Shock and Vibration
Three axis since wave, 50 Hz to 2kHz, 1 G, 2 minutes/Octave with dwell on
resonances.
ESD
Per EN 6100-4-2 1995: Level 4. Contact discharge 8kV, air discharge 15kV.
Flammability
The printed circuit board substrate is rated 94V0. All plastic components, such a
headers and connectors, are also rated 94V0.
Physical Characteristics
Construction
Four-layer surface-mount design with internal ground plane for EMI
suppression.
Dimensions
Total Width: 2.36 inches (59.94 mm), including connectors
Total Length: 3.30 inches (83.82 mm)
Total height: 0.40 inches (10.16 mm)
All mounting holes are plated through for chassis ground connection. Refer to
the drawings at the end of this document.