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- 2 Channels 12 bit analog input
- 8 digital I/O
- PWM Output
- 32 Bit pulse counter input
- RS232 interface 9600-115.2K
- Extended Temperature -40°C to +85°C
This Integrity Instruments data acquisition module uses RS232 communication to access 8 digital I/O points. The digital points can be configured as inputs or outputs in any combination. TTL and CMOS compatible for direct control or use our expander board for relay or industry standard I/O modules.
The A/D channels are unipolar, with an input range to 5 vdc.
RS232 connection is via a DB9 connector. The digital input or output is accessed via a DB25 connector and the analog channels are via DB15 connector. Module power is applied through a 2.5mm connector.
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Or Call: 800-450-2001
8:00 A.M.- 5:00 P.M. Mon.-Fri. Central
RS232 Analog and Digital I/O Module
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RS232 Analog and Digital I/O Module
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Technical Data
| Specifications - RS232 Analog and Digital I/O Module |
| Temperature Range |
-40°C to +85°C |
| Software |
Free Easy-to-Use Software!
Interface Tools for Visual Basic, Visual C++, and
Test Point. |
| Analog Input Channels |
2 single ended or 1 differential
Software selectable |
| A/D Converter |
Linear Tech LTC1861 |
| Analog Inputs |
0V to +5V
Unipolar only |
| Linearity Error |
LTC1861 ± 0.012% (± 1.0 LSB) |
| Gain Error |
± 20 mv |
| Offset Error |
± 5 mv |
| Temperature Drift |
100 ppm/ºC ( max. ) |
| Bandwidth |
1533 SPS maximum, continuous stream mode
115,200 baud, single channel |
| 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. |
| PWM Output |
PWM Freq.: 1.8KHz - 430KHz
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
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| 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 15.0 Vdc, 50 ma nominal, 450 ma max.
See our PS9J power supply. |
| Enclosure |
3" x 4" ABS plastic box |
| Accessories for this unit |
8 Channel analog I/O AE-8CH
2 Channel analog with instrument amps ASC-2CH
Analog I/O DB15 Terminal board DB15TSM
Digital I/O DB25 Terminal board DB25TSM
Digital I/O Board for Opt Iso modules EXP-TRK
24-48 VDC Power adapter PWR-AD-DAQ
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