LG GLOFA G3F - RD3A User Manual page 3

Chapter 4. FUNCTION BLOCKS
4.1 Inserting Function Blocks for RTD Input Module in GMWIN ... ... ... ... ... ... ... ... ... ... ... ... ... 4 - 1
4.2 Local Function Blocks ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 4 - 2
4.2.1 Module Initialization (G3F-RD3A: RTD3INI , G4F-RD2A:RTD2INI) ................................. 4 - 2
4.2.2 Reading the Detected Temperature Value of the Module(Array Type)
(G3F-RD3A:RTD3ARD, G4F- RD2A:RTD2ARD) ................................................ 4 - 3
4.2.3 Reading the Detec ted Temperature Value of the Module (Single Type)
(G3F-RD3A : RTD3RD, G4F-RD2A : RTD2RD) ................................................... 4- 4
4.3 Remote Function Blocks ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 4 - 5
4.3.1 Module Initialization (G3F-RD3A: RTDR3INI, G4F-RD2A: RTDR2INI) ........................... 4 - 5
4.3.2 Reading the Detected Temperature Value of the Module .......................................... 4 - 6
(G3F-RD3A:RTDR3ARD, G4F-RD2A:RTDR2ARD)
4.4 Errors on Function Block ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 4 - 7
4.4.1 Errors Indicated by the Output Variable STAT ................................................... 4 - 7
4.4.2 Error Indicated by the Output Variable ALM_CODE in the Array Type
Detected Temperature Value Reading Function Block .......................................... 4 - 7
Chapter 5. PROGRAMMING
5.1 A Program for Output of the Detected Temperature Value as a BCD Value ... ... ... ... ... ... ... 5 - 1
5.2 A Program for Conversing the Detected Temperature Value(° C) into Fahrenheit(° F)
and Output as a BCD Value ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 5 - 6
5.3 A Program when Loading the RTD Input Module onto the Remote I/O Station ... ... ... ... ... ... 5 - 9
Chapter 6. BUFFER MEMORY CONFIGURATION AND FUNCTIONS
6.1 Buffer Memory Configuration ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 6 - 1
6.1.1 G3F-RD3A Buffer Memory ........................................................................ 6 - 1
6.1.2 G4F-RD2A Buffer Memory ........................................................................ 6 - 2
6.2 Functions of Buffer Memory ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 6 - 3
6.2.1 Specifying Channel Enable/Disable ............................................................... 6 - 3
(G3F-RD3A : Address 0, G4F-RD2A : Address 0)
6.2.2 Specifying the Type of the RTD .................................................................. 6 - 3
(G3F-RD3A : Addresses 1 to 8, G4F-RD2A : Addresses 1 to 4)
6.2.3 Detected Temperature Value ..................................................................... 6 - 4
(G3F-RD3A : Addresses 9, 12, 15, 18, 21, 24, 27 and 30, G4F-RD2A : Addresses 5, 8, 11 and 14 )