
APPENDIX I
Dwyer
®
GFM2 EEPROM Variables Rev. A0
Gas Independent Variables
Indication
BlankEEPROM
SerialNumber
ModelNumber
SoftwareVer
TimeSinceCalHr
Options1
BackLight
AddressRS485
GasNumber
FlowUnits
AlarmMode
LowAlarmPFS
HiAlarmPFS
AlmDelay
RelaySetting
TotalMode
Total
TotalFlowStart
TotalVolStop
KfactorMode
KfactorIndex
UserDefKfactor
UDUnitKfactor
UDUnitTimeBase
UDUnitDensity
AoutScaleV
DRC_DP
AoutScale_mA
AoutOffset_mA
SensorZero
Klag [0]
Klag [1]
Klag [2]
Klag [3]
Klag [4]
Klag [5]
Kgain [0]
Kgain [1]
Kgain [2]
Kgain [3]
Kgain [4]
Kgain [5]
Zero_T
Tcor_K
AlarmLatch
TotalWarmDisable
Reserved1
LCD_Diagnostic
Reserved2
N2_RollBack
Reserved3
No.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
Data Type
char[10]
char[20]
char[20]
char[10]
float
uint
int
char [4]
int
int
char
float
float
uint
char [4]
char
float
float
float
char
int
float
float
int
char
float
float
float
float
uint
float
float
float
float
float
float
float
float
float
float
float
float
float
float
uint
char
uint
char
uint
char
uint
Notes
Do not modify. Table Revision. [PROTECTED]
Serial Number [PROTECTED]
Model Number [PROTECTED]
Firmware Version [PROTECTED]
Time since last calibration in hours
Misc. Options
Back Light Level [0-4095]
Two character adress for RS485 only
Current Gas Table Number [0 - 9]
Current Units of Measure [0 - 22]
Alarm Mode [‘E’ - Enabled, ‘D’ - Disabled]
Low Flow Alarm Setting [%FS] 0 - Disabled
High Flow Alarm Setting [%FS] 0 - Disabled
Flow Alarm Action Delay [0 - 3600 sec] 0 - Disabled
Relays Assignment Setting (N, T, H, L, R, M)
Totalizer Mode [‘E’ - Enabled, ‘D’ - Disabled]
Totalizer Volume in %*s (updated every 6 min)
Start Totalizer at Flow [%FS] 0 - Disabled
Totalizer Action Limit Volume [%*s] 0 - Disabled
D-Disabled, I-Internal, U-User Defined
Internal K-Factor Index [0 - 35]
User Defined K-Factor
K-Factor for User Defined Units of Measure
User Defined Unit Time Base [1, 60, 3600 sec]
User Defined Unit Density Flag [Y, N]
DAC 0 to 5 VDC Analog Output Scale
H/W DRC DP settings [0-255]
DAC 4 to 20 mA Analog Output Scale
DAC 4-20mA Analog Output Offset
DPW value for Sensor Zero [0-1023]
DRC Lag Constant [Do Not Alter]
DRC Lag Constant [Do Not Alter]
DRC Lag Constant [Do Not Alter]
DRC Lag Constant [Do Not Alter]
DRC Lag Constant [Do Not Alter]
DRC Lag Constant [Do Not Alter]
Gain for DRC Lag Constant [Do Not Alter]
Gain for DRC Lag Constant [Do Not Alter]
Gain for DRC Lag Constant [Do Not Alter]
Gain for DRC Lag Constant [Do Not Alter]
Gain for DRC Lag Constant [Do Not Alter]
Gain for DRC Lag Constant [Do Not Alter]
Resistance when last AutoZero was done [0-4095 count]
Resistance correction coefficient [PFS/count]
Alarm Latch [0-3]
Sensor Warm Up period Totalizer [D/E]
Reserved
LCD Diagnostic Mode: [E/D]
Flow Reading Averaging: [0,1,2] (100, 250, 1000 ms), Default -1
Back to N2 conversion mode: [E, D]
Reserved for Troubleshooting (do not change)
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