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LG G3F-TC4A User Manual
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LG Programmable Logic Controlle
r
G3F – TC4
A
G4F – TC2
A
G6F – TC2
A
GLOFA
MASTER-K
LG
LG
LG
LG
Industrial Systems
2
Table of Contents
Default Chapter
5
Table of Contents
5
Chapter 1. INTRODUCTION
9
Features
9
Glossary
10
A-Analog Value
10
D-Digital Value
10
Compensating Wire
11
Thermocouple
11
Temperature Conversion Characteristics
11
Burn-Out Detection
11
Reference Junction Compensation (RJC)
11
Chapter 2. SPECIFICATIONS
12
General Specifications
12
Performance Specifications
13
G3F-Tc4A
13
G4F-Tc2A
13
G6F-Tc2A
13
I/O Conversion Characteristics
16
Temperature Conversion Characteristics
16
Conversion Speed
16
Accuracy
17
Burn-Out Detection
17
Displaying Temperature Conversion Value
18
Displaying Digital Value
18
Chapter 3. INSTALLATION and WIRING
19
Installation
19
Installation Ambience
19
Handling Precautions
19
Wiring
20
Wiring Precautions
20
Chapter 4. FUNCTIONS BLOCKS
21
Insertion of the Function Blocks for Thermocouple Input Module on the GMWIN
21
Local Function Block
22
Module Initialization (G3F-TC4A:TC4INI, G4F-TC2A/G6F-TC2A:TC2INI)
22
Module Reading (Array Type) (G3F-TC4A:TC4ARD, G4F- TC2A/G6F-TC2A:TC2ARD)
23
Module Reading (Stand-Alone Type) (G3F-TC4A : TC4RD, G4F-TC2A/G6F-TC2A:TC2RD)
24
Block
24
Module Initialization (G3F-TC4A:TCR4INI, G4F-TC2A:TCR2INI, G6F-TC2A:TCR62INI)
25
Module Reading (Array Type)
26
Errors Indicated During Execution of Function Block
27
Errors Indicated by the Output Variable,Stat
27
Errors Indicated by the Output Variable,Alm_Code in the Array Type Temperature Converstion
27
Value Reading Function Block
27
Chapter 5. PROGRAMMING
28
A Program for Converting a Detected Temperature Value(° ° ° ° C) into
28
Fahrenheit (° ° ° ° F) and Outputting as a BCD Value
28
A Program for Magnitude Comparison of a Detected Temperature Value
33
A Program Used When Mounting a Thermocouple Input Module
36
Chapter 6. BUFFER MEMORY CONFIGURATION and FUNCTIONS
39
Buffer Memory Configuration
39
G3F-TC4A Buffer Memory
39
G4F-TC2A/G6F-TC2A Buffer Memory
41
Buffer Memory Functions
42
Specifying Channel Enable/Disable
42
(G3F-TC4A : Address 0, G4F-TC2A/G6F-TC2A : Address 0)
42
Specifying the Type of Thermocouple
42
Temperature Conversion Value
43
Digital Conversion Value
43
Error Code
44
Setting SET Data (G3F-TC4A : Address 65, G4F-TC2A/G6F-TC2A: Address 17)
44
Information on Run Channel (G3F-TC4A : Address 66, G4F-TC2A/G6F-TC2A : Address 18)
45
Information on Thermocouple Type Specification Error
45
(G3F-TC4A : Address 67, G4F-TC2A/G6F-TC2A : Address 19)
45
Chapter 7 . DEDICATED INSTRUCTIONS for SPECIAL MODULES (Read From/Write to Buffer Memory)
46
Local
46
Read from Buffer Memory
48
Remote
48
Write to Buffer
49
Memory
50
Chapter 8. PROGRAMMING
50
Basic Programming
50
G3F-Tc4A
50
G4F-Tc2A
51
Application Programming
53
A Program for Conversing a Detected Temperature Value(°C)
53
A Program for Magnitude Comparison of a Detected Temperature Value
55
A Program Used When Mounting a Thermocouple Input Module
57
Chapter 9. TROUBLESHOOTING
59
Errors Indicated by Run LED Flickering
59
Troubleshooting Procedure
59
Run Led
59
Flickering
59
Run Led
60
Off
60
Temperature Conversion Value Fluctuates Excessively
60
Thermocouple Input Module Hardware Defect
61
Chapter 10. DIMENSIONS
62
G3F-TC4A Dimensions
62
G4F-TC2A Dimensions
63
G6F-TC2A Dimensions
64
Appendix 1
65
Thermoelectromotive Force Tables
65
Thermocouple
69
Normal and Overheat Temperature Limits
69
Temperature Tolerances
70
Compensating Wire
71
Types and Specifications of Compensating Wire
71
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LG G3F-TC4A Specifications
General
Category
Controller
Model
G3F-TC4A
Connectivity
Bluetooth
Voice Control
Yes
Motion Control
Yes
Pointer Function
Yes
Backlight
No
Compatibility
LG Smart TV
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