Input Power Requirements; Power Consumption; Vibration - Tandy 1000 HX Technical Reference Manual

2.4 Input Power Requirements
2.4.1 Power Consumption
TTL Interface
Standby 250 mW
Operation (read/write mode) 2.8 W
2.4.2 Supply Voltages
Voltage Max. Ripple Current
+12.0V +/-5% O.lVpp Standby 0.3 mA
Average 130 mA
(Read)
Peak 500 mA
(Motor Start)
Peak 450 mA
(stepping during Motor On)
+5.0V +/-5% O.lVpp Standby 50 mA
Operating 240 mA
2.5 Environmental Limits
2.5.1 Temperature Range
Operating : 5°C to 50°C ambient (40°F to 122°F)
Transportation : -40°C to 60°C (-40°F to 140°F)
Storage : -20°C to 60°C (-20°F to 140°F)
2.5.2 Humidity Range
Operating : 8% to 80% relative humidity with a wet bulb
temperature of 29°C (85F) and no
condensation.
Transportation
and Storage : 5% to 95% relative humidity and no
condensation
2.5.3 Vibration
Operating : The unit can perform Read/Write operations
without errors at continuous vibration
from 10 to 500 Hz at a maximum of 0.5G
along each of the three mutually
perpendicular axes.
Transportation
and Storage : The unit can withstand continuous vibration
from 10 to 300 Hz with a maximum level
of 2.0G along each of the three mutually
perpendicular axes without any degradation
of any characteristics below the
performance specifications.
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