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232M100 Series RS-232 Data Acquisition and Digital I/O Modules

RS-232 Data Acquisition ModuleThe 232M100 series of data acquisition models from Integrity Instruments is our entry level line up. This series is easy-to-use and affordable while using an industry standard RS-232 interface. It has 8 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 10-bit analog inputs (unipolar 0 to 10 Vdc)
• 8 configurable digital I/O lines
• One 32-bit pulse counter digital input
• One PWM output
• Baud rate: 9600, 19200, 57.6K and 115.2K

Model / Feature 232M1A0CT 232M1A0CE
PWM Output
32-bit Pulse Counter
8 Digital I/O Channels
8 10-bit A/D Channels
2 12-bit D/A Channels    
Extended Temperature Range -40°C to +85°C
ABS Plastic Enclosure   Yes
Price $85.00 $110.00
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232M1A0Cx Documentation Users Manual   |   Schematic   |   Dimensions (w/ eclosure)   |   Dimensions (w/o enclosure)
232M1A0Cx Images RS-232 Data Acquisition Module without Enclosure

Technical Specifications - 232M100 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 on Select Models
Analog Input Channels 2 Single ended
Analog Inputs 0 to +10V Unipolar.
Linearity Error <± 1 LSB
Gain Error <± 1 LSB
Offset Error <± 1.5 LSB
Temperature Drift 100 ppm/ºC ( max. )
Bandwidth 1515 Samples Per Second maximum, continuous stream mode
115,200 baud, single channe
Digital I/O 8 digital I/O lines (one 8 bit port)
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