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Preface, Analog input specifications, Analog output specifications – Rockwell Automation 1761 MicroLogix 1000 Programmable Controllers User Manual

Page 284

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Preface

MicroLogix 1000 Programmable Controllers User Manual

A–6

Analog Input Specifications

Description

Specification

Voltage Input Range

–10.5 to +10.5V dc – 1LSB

Current Input Range

–21 to +21 mA – 1LSB

Type of Data

16-bit signed integer

Input Coding –21 to +21 mA – 1LSB, –10.5 to +10.5V dc –
1LSB

–32,768 to +32,767

Voltage Input Impedance

210K

W

Current Input Impedance

160

W

Input Resolution

16 bit

Non-linearity

t0.002%

Overall Accuracy 0

°

C to +55

°

C

±

0.7% of full scale

Overall Accuracy Drift 0

°

C to +55

°

C (max.)

±

0.176%

Overall Accuracy at +25

°

C (+77

°

F) (max.)

±

0.525%

Voltage Input Overvoltage Protection

24V dc

Current Input Overcurrent Protection

±

50 mA

Input to Output Isolation

0V

00V

60 H

Field Wiring to Logic Isolation

30V rated working/500V test 60 Hz/1s

The analog input update rate and input resolution are a function of the input filter selection. For
additional information, see page 5–3.

Analog Output Specifications

Description

Specification

Voltage Output Range

0 to 10V dc –1LSB

Current Output Range

4 to 20 mA – 1LSB

Type of Data

16-bit signed integer

Non-linearity

0.02%

Step Response

2.5 ms (at 95%)

Load Range – Voltage Output

1K

W to 1W

Load Range – Current Output

0 to 500

W

Output Coding 4 to 20 mA – 1 LSB, 0 to 10Vdc – 1LSB

0 to 32,767

Voltage Output Miswiring

can withstand short circuit

Current Output Miswiring

can withstand short circuit

Output Resolution

15 bit

Analog Output Settling Time

3 msec (maximum)

Overall Accuracy 0

°

C to +55

°

C

±

1.0% of full scale

Overall Accuracy Drift 0

°

C to +55

°

C (max.)

±

0.28%

Overall Accuracy at +25

°

C (+77

°

F) (max.) – Current Output

0.2%

Field Wiring to Logic Isolation

30V rated working/500V isolation