Modbus Registers OPTIMA...GOMOD
Short instruction 227VM-024-05-MB 
Written by: Michael Köhle    Date: 13.11.2014 08:56:00  Side 8 of 13
2.1.3.  Service Values 
-r functions-code 0×03h -w functions-code 0×06h 
Name 
Address 
decimal  Data typ 
Value 
range  r/w  Description 
memory 
def. 
value 
Serial 
number 1 
100  WORD  101..9912  r  serial number JJMM 
EEPROM 
- 
serial 
number 2 
101  WORD  100..3123  r  serial number DDHH 
EEPROM 
-
serial 
number 3 
102  WORD  01..59599  r  serial number MMSSX 
X = test number 
EEPROM 
- 
software 
version 
103  WORD  1..65535  r  software version 
EEPROM 
- 
service 
infor-
mation 
104  WORD  0..65535  r  see table status-register 
RAM
min value 
relative 
105  WORD  0..10000  r/w  min value [%] 0 .. 100.00 
EEPROM 
0 
max val-
ue rela-
tive 
106  WORD  0..10000  r/w  max value [%] 0 .. 100.00 
EEPROM 
10000 
sensor 
type 1 
107  WORD  0..4  r/w 
sensor type 
'0’ - - - 
'1' active sensor [mV], 
'2’ passive sensor [1k] 
'3‘ *passive sensor [1…20k] 
'4' *Digital 0/1 
* not implemented
EEPROM 
1 
bus fail 
position 
108  WORD  0..2  r/w  bus fail position 
'0’ - - - 
 no bus monitoring 
'1' at timeout position close 
 bus monitoring timeout 120s 
'2’ at timeout position open 
 bus monitoring timeout 120s 
EEPROM 
0 
min 
value 
absolute 
120  WORD  0..65535  r/w  min value [m³/h][l/s][pa] 
EEPROM 
0 
max 
value 
absolute 
121  WORD  0..65535  r/w  max value [m³/h][l/s][pa] 
EEPROM 
98 










