Measurement Computing CIO-EXP-GP - Manual (Page 41)

Analog Output Section
Output Amplifier type OP07
Number of channels 1
Maximum Output Range ±10V
Current Drive ±5 mA
Output short-circuit duration 25 mA indefinite
Output coupling DC
Output impedance 100 Ohms max
Miscellaneous Output jumper selectable for one of 16 channels (P1 &
P2 Output 0 to Output 15)
Digital Input / Output Section
Digital type
DIn 0 through 2 HI508A multiplexer
DIn 3 2N2222 transistor inverter
Configuration 3 digital inputs for selecting multiplexer channel
1 digital input for controlling calibration relay
Input low voltage
DIn 0 through 2 0.8V max, -4V absolute min
DIn 3 1.0V max, -4V absolute min
Input high voltage
DIn 0 through 2 2.4V min, 9V absolute max
DIn 3 1.27V min, 9V absolute max
Voltage Excitation Section
Excitation voltages 10V, 4V, 2V, 1V, 0.5V
Sources for excitation voltage 5V from PC, 5V from MOLEX, 12V from PC, external
(±PEXT screw terminal)
Current
5V source from P1, 4V VEXC 100mA
5V source from P19, 4V VEXC 275mA
12V source, 10V VEXC 350mA
15V external source, 10 VEXC 670mA
Miscellaneous Output jumper selectable for one of 16 channels (P1 &
P2 Output - to Output 15)
Voltage adjustable for zero error
Current Excitation Section
Excitation 1mA
Channels 8
Voltage compliance 4.6V typical, 2V minimum
Accuracy Adjustable for zero error
CJC Section
Conversion ratio 24.4mV/°C (0mV @ 0°C)
Environmental
Operating temperature range 0 to 60°C
Storage temperature range -40 to 100°C
Humidity 0 to 90% non-condensing
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