RI-STU-251B_09 Datasheet, PDF (2/4 Pages) Texas Instruments – SERIES 2000 READER S251B

RI-STU-251B
SCBS852 – MARCH 2001
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
Power Supply
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RI-STU-251B
10 to 24 Vdc, regulated
OPERATING CHARACTERISTICS
over operating free-air temperature range (unless otherwise noted)
PARAMETER
Relative Humidity
RF Transmit Frequency
Memory
Data Storage
Communications Interface
System Architecture
Communications Parameters
Communications Protocol
Inputs/Outputs
Antenna Tuning Range
Antenna Resonance Voltage
Transponder Types
Dimensions (L × W × H)
Weight
Mounting
PART NUMBER
RI-STU-251B
<97% non-condensing, IEC 68-2-30 Test Db, 21 cycles
134.2
64 kByte EPROM for Firmware
1kBit EEPROM for Configuration
32 kByte RAM for Data
909 ID Codes (each 64bit)
RS232, RS422/485
Point-to-point and point-to-multipoint
600 - 57600 baud, 7/8 data bits, even/odd parity
ASCII with Xon/Xoff handshake, TIRIS™ Bus Protocol
8 configurable digital I/Os, 2 open collector outputs
26 to 27.9 µH (Dynamic Auto Tuning)
Max. 380 Vpeak
134.2 kHz HDX/FSK
(200 mm × 120mm × 120 mm) ± 1.5 mm
900
DIN rail TS35
UNIT
kHz
g
2
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