CIO-DAS08

Specifications

Document Revision 5.1, February, 2010
© Copyright 2010, Measurement Computing Corporation

Specifications
Typical for 25 °C unless otherwise specified.
Specifications in italic text are guaranteed by design.

Analog input
Table 1. Analog input specifications
Parameter

Specification

A/D converter type
Resolution
Number of channels
Input ranges
Polarity
A/D pacing
A/D trigger sources
Data transfer
DMA
A/D conversion timeThroughput
Accuracy
Differential linearity error
Integral linearity error
No missing codes guaranteed
Gain drift (A/D specs)
Zero drift (A/D specs)
Common Mode Range
CMRR

AD574
12-bits
8 single-ended±10 V, ±5 V, 0 to +10 V, switch selectable
Unipolar/Bipolar, switch selectable
Software polled (typically through ISR paced by on-board counter)
External polled digital input trigger (Digital In 1)
Software polled (typically through ISR paced by on-board counter)
None
25 µs
20 kHz, PC dependent±0.01% of reading ±1 LSB±1 LSB±0.5 LSB
12-bits±25 ppm/°C±10 µV/°C
±10 V
72 dB
100 nA

Input leakage current (@ 25 C)
Input impedance
Absolute maximum input voltageNoise Distribution (Rate = 1 to 20 kHz)

10 Meg Ohms min±35 V
Bipolar (10 V)
Bipolar (5 V)
Unipolar (10 V)2

Avg % ± 2 bins
100%100%100%

Avg % ± 1 bin
100%100%100%

Avg # bins
3 bins3 bins3 binsCIO-DAS08

Specifications

Digital Input / Output
Table 2. Digital input/output specifications (main connector – J1)
Digital type (main connector J1)
Configuration
Number of channels
Output highOutput low
Input highInput low
Output power-up / reset stateOutput: 74LS273
Input:
74LS244
4 fixed output bits, 3 fixed input bits
4 out, 3 in
2.7 volts min @ -0.4 mA
0.4 volts max @ 8 mA
2.0 volts min, 7 volts absolute max
0.8 volts max, -0.5 volts absolute min

Table 3. Digital input/output specifications (digital connector – J2)
Digital type (digital I/O connector J2)
Configuration
Number of channels
Output highOutput low
Input highInput low
Power-up / reset state

82C55
2 banks of 8, 2 banks of 4, programmable by bank as input or output
24 I/O
3.0 volts min @ -2.5 mA
0.4 volts max @ 2.5 mA
2.0 volts min, 5.5 volts absolute max
0.8 volts max, -0.5 volts absolute min
Input mode (high impedance)
Table 4. Interrupt specifications

Interrupts
Interrupt enable
Interrupt sources

2 - 7, jumper selectable
Programmable
External (Interrupt In), rising edge; on-board counter, jumper selectable

Counters
Table 5. Counter specifications
Counter type
Configuration
Counter 0 — Independent, user
configurable
Counter 1 — Independent, user
configurable
Counter 2 — Independent, user
configurable
Clock input frequency
High pulse width (clock input)
Low pulse width (clock input)
Gate width highGate width low
Input low voltage
Input high voltage
Output low voltage
Output high voltage

82C54
3 down counters, 16-bits each
Source:User connector (Counter 0 In)
Gate:
User connector (Gate 0)
Output:User connector (Counter 0 Out)
Source:User connector (Counter 1 In)
Gate:
User connector (Gate 1)
Output:User connector (Counter 1 Out)
Source:PC SysClk via divide by 2 circuit
Gate:
User connector (Gate 2)
Output:User connector (Counter 2 Out)
10 MHz max
30 ns min
50 ns min
50 ns min
50 ns min
0.8 V max2.0 V min
0.4 V max
3.0 V min3

CIO-DAS08Specifications

Power consumption
Table 6. Power consumption specifications
Parameter

Specification+5V+12V-12V

250 mA typical, 312 mA max
15 mA typical, 21 mA max
25 mA typical, 35 mA max

Environmental
Table 7. Environmental specifications
Operating temperature range
Storage temperature range
Humidity

0 to 50 ° C-20 to 70 ° C
0 to 90% non-condensing

Main connectors and pin out
Table 8. Connector specifications
Connector typeCompatible cables with analog connector J1
Compatible cables with digital connector J2Compatible accessory products with the
C37FF-x cable, C37FFS-x cable, and theBP-37 cable

Analog connector (J1): 37-pin male "D" connector
Digital connector (J2): 37-pin male "D" connector
C37FF-x
C37-FFS-x
BP-37
CIO-MINI37
CIO-TERMINALCIO-SPADE50
CIO-EXP16
CIO-EXP32

Analog connector J1 pin out
Table 9. Analog connector J1 pin out
Pin12345678910111213141516171819Signal Name+12V PC BusCounter 0 In
Counter 0 Out
Counter 1 InCounter 1 Out
Counter 2 OutDigital Out 1
Digital Out 2
Digital Out 3Digital Out 4Dig Common
LLGND
LLGND
LLGND
LLGND
LLGND
LLGND
LLGND
+10V Ref

Pin202122232425262728293031323334353637Signal Name
-12V PC Bus
Gate 0Gate 1
Gate 3
Interrupt Input
Digital In 1
Digital In 2
Digital In 3
Dig GND+5V
CH7 High
CH6 High
CH5 High
CH4 High
CH3 High
CH2 High
CH1 High
CH0 High4

CIO-DAS08

Specifications

Digital connector J2 pin out
Table 10. Digital connector J2 pin out
Pin12345678910111213141516171819Signal NameNCNCFIRSPORTB Bit 7
FIRSPORTB Bit 6
FIRSPORTB Bit 5
FIRSPORTB Bit 4FIRSPORTB Bit 3
FIRSPORTB Bit 2FIRSPORTB Bit 1
FIRSPORTB Bit 0
GND-5VGND-12V
GND+12V
GND+5V
GND

Pin202122232425262728293031323334353637Signal Name+5V
GND
FIRSPORTC Bit 7
FIRSPORTC Bit 6
FIRSPORTC Bit 5
FIRSPORTC Bit 4
FIRSPORTC Bit 3
FIRSPORTC Bit 2
FIRSPORTC Bit 1
FIRSPORTC Bit 0FIRSPORTA Bit 7
FIRSPORTA Bit 6FIRSPORTA Bit 5
FIRSPORTA Bit 4
FIRSPORTA Bit 3
FIRSPORTA Bit 2
FIRSPORTA Bit 1
FIRSPORTA Bit 05

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CIO-DAS08-spec.doc