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LG Electronics G3F-AD3A, G4F-AD3A, G6F-AD2A 2.2 Performance Specifications , !

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Chapter 2. SPECIFICATIONS

2 - 2

Table 2-2 shows performance specifications of A/D conversion module.

1) G3F-AD3A, G4F-AD3A

Specifications

Items

G3F-AD3A G4F-AD3A

I/O points 16 points

Voltage 1 ~ 5 VDC (input resistance 600 )

0 ~ 10 VDC (input resistance 600 )

Current DC 4 ~ 20 mA (input resistance 250 )

Analog

input

Voltage/Current selection

- Adjust input selection switch for each channel on side of module.

( ON : Current, OFF : Voltage)

- Selection of voltage range by program

Digital output - 16 bit binary value

1 ~ 5VDC 1 mV (1/4000)

0 ~ 10VDC 2.5 mV (1/4000)

Maximum

resolution

DC 4 ~20mA 4 (1/4000)

Overall Accuracy 0.5% (accuracy to full scale)

Max . conversion speed 5.0 ms/channel

Max . absolute input Voltage : 15V, Current : 25mA

Number of analog input point 8 channels/module

Isolation Between input terminals and PLC: Photo coupler isolation

(Between channels : Non-isolated)

Terminals connected 20-point terminal block

Internal current consumption 0.5 A 0.5 A

Weight 310 280

[Table 2.2] Performance Specifications

CAUTION

The manufacturer set value of A/D conversion module has been current input mode.

2.2 Performance Specifications

!

Contents

Main Safety Precautions WARNING CAUTION CAUTION Safety Precautions Design Precautions CAUTION Installation Precautions Safety Precautions Wiring Precautions CAUTION Test Run and Maintenance Precautions CAUTION CONTENTS Chapter 1. INTRODUCTION Chapter 2. SPECIFICATIONS Chapter 3. INSTALLATION AND WIRING Chapter 4. FUNCTION BLOCK Chapter 5. GM PROGRAMMING Chapter 6. Buffer Memory Chapter 7. Buffer read/write instructions Chapter 8. MK Programming Chapter 9. DIMENSIONS Chapter 1 Introduction 1 Introduction 1.1 Features Chapter 1 Introduction 1.2 Terminology 1.2.1 Analog value : A 1.2.2 Digital value : D Chapter 1 Introduction 1.3 Analog-to-Digital conversion characteristics = 4000 Page 1.3.2 Current input 4000 currentinputMinimumcurrentinputMaximum moduleA/DofResolution = Chapter 2 . SPECIFICATIONS 2.1 General Specifications CAUTION 2.2 Performance Specifications ! ! CAUTION 2.3.1 G3F-AD3A 2.3.2 G4F-AD3A 2.3.3 G6F-AD2A Page REMARK Page 2.4.2 Current Input Characteristics 2.4.3 2.4.4 Analog input and Digital output characteristics 2.5.1 Sampling processing A/D conversion system 2.5.2 Averaging processing A/D conversion system 2.5 Processing specifications Chapter 3 Installation and wiring 3 Installation and wiring 3.1 Installation 3.1.1 Installation ambiance 3.1.2 Handling precautions Chapter 3 Installation and wiring 3.2 Wiring 3.2.1 Wiring precautions 3.2.2 Wiring examples Page CHAPTER 4. FUNCTION BLOCK G4F AD3A G6F AD2A G3F AD3A 4.1 Registration of the Function Block for A/D Conversion Module on the GMWIN 4.2 Function Block for Local Page 4.2.2 Module Reading-Array Type 1) G3F-AD3A, G4F-AD3A REMARK 1) G3F-AD3A, G4F-AD3A 2) G6F-AD2A 4.3 Remote Function Block 4.3.1 Module Initialization 1) G3F-AD3A, G4F-AD3A Page Chapter 4. FUNCTION BLOCK 4 - 8 4.3.2 Module Read ing 1) G3F-AD3A, G4F-AD3A Input REMARK Chapter 4. FUNCTION BLOCK 4 - 9 Input REMARK 4.4 Errors on Function Block 4 - 10 This shows errors and resolutions in accordance with them. Chapter 5. GM PROGRAMMING 5.1 Programming for Distinction of A/D Conversion Value Page Page Page A/D Conversion Value and Error Code on BCD Display Page Page 5.3 Programming for Loading the A/D Conversion Module on Remote I/O Station Chapter 5. GM PROGRAMMING 5 -9 4) Programming example Page Chapter 6 Buffer memory 6 Buffer memory 6.1 The configuration of buffer memory 6.1.1 G6F-AD2A 6 - 2 6.1.2 G3F-AD3A / G4F-AD3A value Remark * All 16-bit data Chapter 6 Buffer memory 6.2 The Contents and description of buffer memory 6.2.1 G6F-AD2A Page Page 6.2.2 G3F-AD3A / G4F-AD3A Page Page Chapter 7 Buffer read/write instructions 7 Buffer read/write instructions 7.1 Buffer read instructions 7.1.1 GET / GETP instruction Page 7.1.2 RGET instructions Page Page Chapter 7 Buffer read/write instructions 7.2 Buffer write instructions 7.2.1 PUT / PUTP instructions Page 7.2.2 RPUT instructions Page Page Page Chapter 8 MK Programming 8 MK Programming 8.1 Basic programming 8.1.1 G6F-AD2A 8.1.2 G3F-AD3A / G4F-AD3A Chapter 8 MK Programming 8.2 Example programming 8.2.1 A program for comparison of A/D converted value Page 8.2.2 Output the analog input value by 7-segment display Page 8.2.3 An A/D module mounted on a remote station