Spectrum-controls 1746sc-INO4vi Manual de usuario descargar pdf (Pagina 13)

Chapter 1: Overview And Specifications 3

Table 3. Electrical specifications—outputs

Output Current Ranges

(selectable for each channel) 4 to 20 mA

0 to 20 mA

0 to 21 mA

Output Voltage Ranges—INO4vi only

(selectable for each channel) -10 to +10 Vdc

0 to 10 Vdc

0 to 5 Vdc

1 to 5 Vdc

SLC Communication Formats

(selectable for each channel) Scaled engineering units

Scaled for PID

Proportional counts

1746-NO4 format

User-defined scale

Output Impedance

Current Outputs Greater than 1 MΩ

Voltage Outputs—INO4vi only Less than 1.0 Ω

Load Range

Current Outputs 0 to 500 Ω

Voltage Outputs—INO4vi only 1 kΩ and greater

Max. Current, Voltage Mode—INI4vi only 10 mA

Output Step Response Time 1 ms (0–95% of full scale)

Channel Update Time (maximum) 33.7 ms for all 4 channels in parallel

Output Resolution 16-bit

Current Outputs 366 nA/count

Voltage Outputs—INO4vi only 320 µV/count

Overall Accuracy

Current Outputs 0.08% of full scale @ 25 °C

0.15% of full scale @ 60 °C

Voltage Outputs—INO4vi only 0.08% of full scale @ 25 °C

0.35% of full scale @ 60 °C

Table 4. Physical specifications

LED Indicators Four green channel status indicators, one for each channel

One green module status indicator

Recommended Cable Belden 8761 (shielded, twisted-pair) or equivalent

Wire Size (maximum) One 12–24 AWG wire per terminal

Terminal Block Removable (supplied)

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 47 48

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Spectrum-controls 1746sc-INO4vi Manual de usuario Pagina 13