OPT-SNAP-B3000MODBUS

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OPTO 22 SNAP Analog/Digital Brain Board, Modicon Modbus Protocol
plus VAT Weight: 0.4 kg RegulÀr Regular Neu New
SNAP-B3000-MODBUS SNAP Analog/Digital Brain, Modicon Modbus Protocol
Opto 22 SNAP-B3000-MODBUS Opto 22 Logo
The SNAP-B3000-MODBUS brain is a high-performance processor designed to remotely control and acquire a mix of
SNAP analog and digital I/O modules on a B-series rack. The brain communicates to any Modbus master device via RS-
485 using the Modbus slave protocol in both ASCII and RTU modes. Brain functions include latching, counting, on/off
status, and thermocouple linearization.
 
Power Requirements 5.0–5.2 VDC at 1.0A max.
Operating Temperature 0 to 70 °C, 95% humidity, non-condensing
Storage Temperature -40 to 85 °C
CPU 16-bit Intel 80C196 I/O processor
Communications Interface RS-485/422, 2- or 4-wire, twisted pair(s), with shield
Data Rates 300, 600, 1200, 2400, 4800, 9600, 19200, 38400,
57600, 76800, and 115200 baud
Range: (Multidrop Mode) Up to 3,000 feet total length or 32 stations maximum
without repeaters
CounterFrequency Measurement Maximum Rate: 20 kHz
Minimum Pulse Width: 10 msec
16 bit
LED Indicators RUN (Power On), RCV (Receive), and XMT (Transmit)
Options: Jumper Selectable Address, Communication baud rate, RTU/ASCII

Rev: 04/13

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