Instruction manual

PC24E/25E
Page 22
5. TECHNICAL SPECIFICATIONS
5.1 Electrical Specification
All Analog Outputs Number of Channels 4
Resolution 12 bits
Relative Accuracy ±1 LSBit
Differential Nonlinearity ±1 LSBit
Settling time to 0.05% FSR 5µSec (Typ)
Reference Stability 15 ppm/°C (Typ)
Voltage Outputs (PC24E) Voltage Ranges Unipolar 2.5 or 10V
Bipolar ±2.5 or 10V
Max. O/P Current (Source/Sink) ±10mA
Current Outputs (PC25E) Range 4 to 20 mA
Load Resistance (Internal Supply)
0 to 400Ω
External Voltage (Ref Dig Gnd) +12 to +24V (30 Max)
Current Required from Ext Supply 80 mA
Load Resistance (External 24V)
0 to 1000Ω
Clock Outputs 'Low' output voltage +0.4v max at 2mA
'High' output voltage +3.7v min at -1mA.
Clock Source (Can be Crystal Oscillator Frequency 1MHz
disabled) Frequency Tolerance ±50 ppm
Frequency Stability over temp range ±50 ppm
User I/O Connector 25 way male D type.
Address Range The board is addressable within the range 000-FF0 (Hex) at 16 bit
boundaries. Twelve registers in I/O space.
IRQ Range Interrupt Request levels IRQ2 to IRQ7.
Power Powered from the host PC bus. +5V at 200mA
+12V at 50 mA *
–12V at 50mA *
*these may vary dependant
on loads applied
Operating Conditions Temperature Range +5 to +50°C
5.2 Physical Specification
Fits
3
/
4
size IBM XT or AT compatible I/O expansion bus slot.
Card Only
Packed
Height 107mm (+22mm locator tongue) 180mm
Width 20mm 90mm
Depth 215mm 420mm
Weight 0.2kg 0.4kg