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232M300 Series RS-232 Data Acquisition and Digital I/O Modules

RS-232 Data Acquisition ModuleThe 232M300 series of data acquisition models from Integrity Instruments is our top end line up. This series features an easy-to-use command set with 8 high accuracy A/D inputs and 2 D/A outputs. The 232M300 series uses an industry standard RS-232 interface. It has 16 digital inputs configurable separately as digital input or digital output. The module also features a 32-bit pulse counter input and pulse width modulation (PWM) output for driving devices such as electrical motors.

• 8 channels of 12-bit analog inputs (single ended & differential, unipolar 0 to 5Vdc & bipolar -5Vdc to +5Vdc analog input)
• 2 channels of 12-bit analog outputs (0 to 5 Vdc)
• 16 configurable digital I/O lines
• Digital I/O is compatible with our Opto-22 expansion board (link to EXP and Opto-22 modules)
• One 32-bit pulse counter input
• One PWM output
• Baud rate: 9600, 19200, 57.6K and 115.2K

Model / Feature 232M3
00CT		 232M3
00CE		 232M3
00LT		 232M3
00LE		 232M3
A0CT		 232M3
A0CE		 232M3
A0LT		 232M3
A0LE		 232M3
ADCT		 232M3
ADCE		 232M3
ADLT		 232M3
ADLE
PWM Output ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
32-bit Pulse Counter ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
16 Digital I/O Channels ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
8 12-bit A/D Channels         ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
2 12-bit D/A Channels                 ✓ ✓ ✓ ✓
Extended Temperature Range -40°C to +85°C
     ✓ ✓     ✓ ✓     ✓ ✓
ABS Plastic Enclosure   Yes   Yes   Yes   Yes   Yes   Yes
Price $95.00 $110.00 $120.00 $135.00 $160.00 $175.00 $225.00 $240.00 $215.00 $230.00 $290.00 $305.00
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232M3xxxx Documentation Users Manual   |   Schematic   |   Dimensions (w/ eclosure)   |   Dimensions (w/o enclosure)
232M3xxxx Images RS-232 Data Acquisition Module without Enclosure
232M300xT		 RS-232 Data Acquistion Module w/ Enclosure
232M300xE		 RS-232 Data Acquisition Module without Enclosure
232M3AxxT		 RS-232 Data Acquistion Module w/ Enclosure
232M3AxxE
Technical Specifications - 232M300 Series RS-232 Data Acquisition Modules
Software Free Easy-to-Use Software!
Interface Tools for Visual Basic, Visual C++, and
Test Point
Temperature Range 0°C to 70°C Standard
-40°C to 85°C Extended
Analog Input Channels 8 12-bit single ended or 4 differential
Software selectable
Analog Inputs -5V to +5V
Unipolar and bipolar
Software selectable
Linearity Error ± 0.012% (± 0.5 LSB)
Gain Error ± 0.012% (± 0.5 LSB)
Offset Error ± 0.17%
Temperature Drift 100 ppm/ºC ( max. )
Analog Output Channels 2 12-bit Channels
0V to +5V
D/A Specifications DNL ± 0.5LSB Offset Error ± 15mv
Output Impedance 120 ohm
Short Circuit Current 120ma max
Bandwidth 1515 Samples Per Second maximum, continuous stream mode
115,200 baud, single channe
Digital I/O 16 digital I/O lines (two 8 bit ports)
I/O line data direction is software selectable
Digital I/O Current I/O line source/sink 25 ma
Total current 200 ma for the 8 bit port
Digital I/O Voltage Levels Input Off (0) = 0V - 0.8V
Input On (1) = 2.0V - 5.0V
Output Off (0) = 0.6V max.
Output On (1) = 4.3V min.
PVM Output PWM Freq.: 31.25KHz - 8MHz
PWM duty: 0%-100%
Pulse Counter Input 1 MHz max. input rate
32 bit counter capture
Counter increments on high-low transition
Communications RS232 (8 data bits, no parity, 1 stop bit)
50 feet maximum distance
Baud Rate 9600-115.2K BPS
DIP switch selectable
Command Protocol Simple ASCII commands. (See the User's Manual)
Operating Power 7.5 Vdc to 24.0 Vdc, 50 ma nominal
100 ma max@24 volts
200 ma@12 or less Volts
Enclosure 3" x 4" ABS plastic box (Select Models)
Suggested Accessories Digital I/O Expander Board
Power Supply
Other Cool Stuff