Rockwell-automation 1746-NO8V SLC 500 8-Point Analog Output Module/ Us Instrukcja Użytkownika Pobierz pdf (Strona 62)

Publication 1746-UM026A-EN-P - September 2003

A-2 Specifications

Table A.2 Analog Output Specifications

Specification 1746-NO8I 1746-NO8V

Number of Outputs 8 8

Output Type Current Voltage

Output Range 0 to 21.5 mA ±10.25V dc

Output Coding (proportional scaling) 0 to 32,767 -32,768 to +32,767

Output D/A Converter Resolution 16-bit

366 nA/count

16-bit

320 µV/count

Location of LSB in I/O Image Word 0000 0000 0000 0001

(for 1746-NO4 compatible data format; does not apply to other data formats)

Non-Linearity 0.06% of full scale

DAC Conversion Method R-2R Ladder Network

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

Channel Update Time (typical) Class 1: 5 ms to update all 8 channels

Class 3: 10 ms to update all 8 channels

Load Range 0 to 500 ohm 1K ohm and greater

Load Current n/a 10 mA (maximum)

Load Reactance 1 µH (maximum) 1 µF (maximum)

Output Impedance Greater than 1M ohm Less than 1.0 ohm

Over-Range Capability 7.5% (21.5mA) 2.5% (±10.25V)

Overall Accuracy 0.1% of full scale at 25°C

0.2% of full scale at 60°C

0.1% of full scale at 25°C

0.2% of full scale at 60°C

Overall Accuracy Drift ±33 ppm/°C of full scale (maximum) ±33 ppm/°C of full scale (maximum)

Gain Error 0.08% of full scale at 25°C

0.15% of full scale at 60°C

0.08% of full scale at 25°C

0.15% of full scale at 60°C

Gain Error Drift ±25 ppm/°C of full scale (maximum) ±25 ppm/°C of full scale (maximum)

Offset Error ±12 LSB at 25°C (typical)

±29 LSB at 60°C (typical)

±13 LSB at 25°C (typical)

±32 LSB at 60°C (typical)

Offset Error Drift ±0.48 LSB/°C (maximum) ±0.53 LSB/°C (maximum)

1 2 ... 57 58 59 60 61 62 63 64 65 66 67 ... 73 74

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Rockwell-automation 1746-NO8V SLC 500 8-Point Analog Output Module/ Us Instrukcja Użytkownika Strona 62