Read-Only Memory (ROM) – List
Read-Only Memory (ROM) – List
Memory Location and Definition
Register Address (Hex)
The two bytes that actually appear in the communication frame. Use this for building frames directly, or for 0-based masters (e.g. CODESYS, pymodbus).
Register Length
The length of the variable, in units of Registers (2 bytes each).
Memory Content
Description of the function or purpose of the memory.
Data Type
Specifies the format of the transmitted or received data.
Decimal
The decimal value of the protocol address. For 1-based debug software (e.g. Modbus Poll, Modscan), add 1 to this value.
Master Address (Convention)
The value to enter directly into PLC/HMI configuration screens — Siemens S7-200 SMART / S7-1200, Delta, Weintek, etc.
Read-Only Memory List
0x0000
0
30001
2
Flowrate
float
0x0004
4
30005
2
Total
float
0x0006
6
30007
2
Flowratex100
int 32
×100
0x000A
10
30011
2
Totalx100
int 32
×100
0x000E
14
30015
1
error code a
int
See Alarm A definition
0x000F
15
30016
1
error code b
int
See Alarm B definition
0x0010
16
30017
1
error code c
int
See Alarm C definition
0x0011
17
30018
1
error code d
int
See Alarm D definition
0x0012
18
30019
1
System Status
int
See System Status definition
0x0013
19
30020
4
Total(64)
int 64
×100,000 rounded to integer
0x0017
23
30024
2
Dosing(float)
float
0x0019
25
30026
2
Dosing×100 (32-bit)
int 32
×100 rounded
0x001B
27
30028
4
Dosing(64-bit)
int 64
×100,000 rounded
0x0053
83
30084
1
M (max. magnetic field)
int
0x0054
84
30085
1
m (min. magnetic field)
int
0x0055
85
30086
2
flow×100_2
int 32
0x0057
87
30088
2
na
-
0x0059
89
30090
2
totalx100_2
int32
Last updated