Specifications

Appendix A
Specifications
Power Requirements
(with no SCPs installed)
+5 V +12 V -12 V +24 V -24 V -5.2 V
I
PM
= Peak Module Current I
PM
I
DM
I
PM
I
DM
I
PM
I
DM
I
PM
I
DM
I
PM
I
DM
I
PM
I
DM
I
DM
= Dynamic Module Current 1.0 0.02 0.06 0.01 0.01 0.01 0.1 0.01 0.1 0.01 0.15 0.01
Cooling Requirements
Average watts/slot
D Pressure (mm H
2
O)
Air Flow (liters/s)
14 0.08 0.08
Power Available for SCPs
(See VXI Catalog or SCP
manuals for SCP current)
1.0A±24V, 3.5A5V
Measurement Ranges
dc volts (VT1501A or VT1502A) ± 62.5 mV to ± 16 V Full Scale
Temperature Thermocouples - -200 to +1700 °C
Thermistors - (Opt 15 required) -80 to +160 °C
RTD’s - (Opt 15 required) -200 to +850 °C
Resistance
(VT1505A with VT1501A) 512 W to 131 kW FS
Strain
25,000
µe or limit of linear range of strain gage
Measurement Resolution
16 bits (including sign)
Trigger Timer and
Sample Timer Accuracy
100 ppm (0.01%) from -10 °C to +70 °C
External Trigger Input
TTL compatible input. Negative true edge triggered except first trigger will occur
if external trigger input is held low when module is INITiated. Minimum pulse
width 100 ns. Since each trigger starts a complete scan of two or more channel
readings, maximum trigger rate depends on module configuration.
Appendix A 329
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