Woodward AtlasPC, Руководство по оборудованию

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AtlasPC Digital Control, Vol. I Manual 85586V1
80 Woodward
Speed Bias Output
Number of channels 1
Current output option 4–20 mA selected by software switch and wiring
Max current output 25mA ±5%
Voltage output options 0–5 V (5 V max ±5%), ±3 V (±3V limit ±5%), 500 Hz
PWM, selected by software switch and wiring
Isolation 500 Vac
Max load resistance 300 Ω at 24 mA for 4–20 mA output, infinite for V
outputs
Min load resistance 0 Ω for current output, 450 Ω for ±3 V output, 1k Ω for
0–5 V output, PWM output.
Resolution 11 bits, except for PWM output
Accuracy less than ±0.1% of full scale @ 25 °C or
±0.006 V for ±3 V output
±0.005 V for 0–5 V output
±0.025 mA for 4–20 mA output
TempDrift
(4–20 mA, FS = 25 mA)
–40 to +85 °C Any 40 °C change
Typical (1 σ ): < 0.5% or 0.125 mA < 0.3% or 0.075 mA
Max (3 σ ): < 1.2% or 0.30 mA < 0.8% or 0.20 mA
Temp Drift
(±3V range)
–40 to +85 °C Any 40 °C change
Typical (1 σ ): < 0.3% or 18.0 mV < 0.2% or 12.0 mV
Max (3 σ ): < 0.7% or 42.0 mV < 0.5% or 30.0 mV
TempDrift
(0–5 V range and PWM)
–40 to +85 °C Any 40 °C change
Typical (1 σ ): < 0.1% or 5.0 mV < 0.1% or 5.0 mV
Max (3 σ ): < 0.2% or 10.0 mV < 0.2% or 10.0 mV
•
Options: 4–20 mA, 0–5 V, ±3V, PWM- 5V- 500 Hz. Both the GAP block field and the
wiring must be changed to switch between current and voltage outputs. Only the
GAP block field must be changed to switch between the voltage outputs.
Voltage Bias Output
Number of channels 1
Current output option 4–20 mA selected by software switch and wiring
Max current 25mA ±5%
Voltage output options ±1, ±3, ±9 V selected by software switch and wiring
Max Voltage ±9V ±5%
Isolation see HAZARDOUS LIVE section above
Max load resistance 300 Ω at 24 mA for 4–20 mA output, infinite for V
output
Min load resistance 7k Ω for ±9V output, 0 Ω for 4–20 mA output
Resolution 11 bits for ±9V, >9 bits for ±3V, >7 bits for ±1V
Accuracy less than ±0.1% of full scale @ 25 °C or
±0.018V for ±1V, ±3V, ±9V output
±0.025 mA for 4–20 mA output