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Appendix Error! Main Document Only.Error! Main Document Only.6 - Specifications
Interface
EIA 232D (Serial RS-232), DCE configuration. 7-8 Data Bits, 1-2 Stop Bits, Full
or Half Duplex, Parity: None, Even, Odd, Mark, or Space. Optional software or
hardware handshaking: XON/XOFF, DTR/DSR, RTS/CTS. Optional Checksum
and Key byte. Jumper or software selectable.
Acknowledgements for command set and query.
Baud Rates
E271-2200
E271-2210
300, 600, 1200, 2400, 4800, 9600, 19200, 38400.
300, 600, 1200, 2400, 4800, 9600, 19200.
Jumper or software selectable.
Operating Modes
Binary or ASCII in SmartSet, E271-140, E261-280, or E281A-4002 protocols.
Initial/Stream/Untouch Modes, on-board calibration, coordinate scaling to ±32K,
Range Checking, Trim and Tracking Modes.
Jumper or software selectable.
Touch Resolution
Typical raw coordinate output range: 400 .. 3800, 600 .. 3500. No missing
coordinates.
Conversion Time
E271-2200
Typically 20 ms as shipped (9600 baud, no scaling). 6 ms possible
(38K baud, software selectable delay between packets removed).
E271-2210
Typically 21 ms as shipped (9600 baud, no scaling). 7 ms possible
(19.2K baud, software selectable delay between packets removed).
Reliability
E271-2200
E271-2210
MTBF of 74,738 hours per MIL-HDBK-217E, Notice 1 update.
MTBF of 107,527 hours per MIL-HDBK-217E, Notice 1 update.