LG GLOFA 34F - RD2A, User Manual, Page: 23 / 60

Chapter 4. FUNCTION BLOCKS
4 - 7
4.4 Errors on Function Block
4.4.1 Errors Indicated by the Output Variable STAT
Errors indicated the output variable STAT and their corrective actions are explained.
Function Block
Reading STAT
No.
Item
Descriptions
Initiali-
zation
Array Stand
-alone
Corrective Action
0
Normal run status
Ο Ο Ο 
1
Base location No. outside the setting range Ο Ο Ο Adjust it within the setting range (See GM Section 7.2)
2
The corresponding base unit hardware defect
Ο Ο Ο
Contact a service station
3
Slot location No. outside the setting range
Ο Ο Ο
Specify correctly the numbers of the slot where the
RTD module is loaded .
4 The specified slot has no RTD input module
Ο Ο Ο
Load RTD input module on the specified slot.
5
A module other than RTD input module is loaded
on.
Ο Ο Ο
Load RTD input module on the specified slot.
6
Channel No. outside the setting range
  Ο
Specify correctly the No. of the run channel.
7
RTD input module hardware defect
Ο Ο Ο
Contact a service station.
8
RTD input module memory defect Ο Ο Ο Contact a service station.
9
The run channel was not specified in the
Initialization function block.
 Ο Ο Specify correctly run channels in the initialization
function block.
10
Disconnection detected at one or more of the
use channels, or temperature outside the range.
 Ο  See GM Section 7.4.2.
16 A disconnection detected at the use channels
  Ο
Fix the A terminal disconnection between the RTD
input module and the temperature-measuring resistor
17
B disconnection detected at the use channels   Ο Fix the B terminal disconnection between the RTD
input module and the temperature-measuring resistor
18
b disconnection detected at the use channels.
A and B disconnection detected simultaneously.
  Ο Fix the disconnection between the b terminal RTD
input module and the temperature-measuring resistor.
Or, Fix A and B terminals disconnection.
19
Local
Temperature outside the range at the use
channels
  Ο Correctly specify the type of the temperature -
measuring resistor, or use the temperature within the
range (-200.0
°
C ~ 600.0)
°
128
Remote communications module H/W defect
Ο Ο 
See Remote communications module User’s Manual
129
Base location No. outside the setting range
Ο Ο 
Adjust it within the setting range (See GM Section 7.2)
131
Slot location No. outside the setting range Ο Ο  Specify correctly the numbers of the slot where the
RTD Input module is loaded.
133
Other module, not RTD input module, is loaded
Ο Ο 
Load RTD input module on the specified slot.
135
RTD input module hardware defect
Ο Ο 
Contact a service station.
136
RTD input module memory defect Ο Ο  Contact a service station.
137
The run channel was not specified in the
Initialization function block.
 Ο  Specify correctly run channels in the initialization
function block.
138
Re-
mote
Disconnection detected at one or more of the
use channels, or temperature outside the range.  Ο  See GM Section 7.4.2.
4.4.2 Errors Indicated by the Output Variable ALM_CODE in the Array Type Detected Temperature Value Reading
Function Block
.
(G3F-RD3A : RTD3ARD, RTDR3RD. G4F-RD2A : RTD2ARD, RTDR2RD)
ALM_CODE No. Descriptions Corrective Action
0 Normal run status

16 A disconnection detected Fix the A disconnection between RTD input module and RTD.
17 B disconnection detected Fix the A disconnection between RTD input module and RTD
18
b disconnection detected, A and B
disconnection detected simultaneously.
Fix the A disconnection between RTD input module and RTD. Or, Fix the A and B disconnection.
19 Temperature outside the range
Correctly specify the type of the RTD, or use the temperature within the range (-200.0
°
C ~ 600.0
°
C)