49
promesstec GmbH
I Niedersachsenstraße 4 I D-48465 Schüttorf I Tel.:+49 (0)5923/ 90 229 0 I Fax:+49 (0)5923/ 90 229 29
E-Mail: [email protected] I Internet: www.promesstec.com
Illegal data address
The data addresses 1, 3, 5, 7, 9, 11 are not permitted addresses for the server or the
slave. The addresses generate exception 0x02. Memory address spaces 0xFE00
through 0xFF are system registers that are locked to users.
Modbus register
register
Content
Format
Note
40001
serial number
upper register
INT
*1
40002
serial number
lower register
INT
40003
Total flow rate
upper register
UINT
*2
40004
Total flow rate
lower register
UINT
40005
Total + flow rate
upper register
UINT
40006
Total + flow rate
lower register
UINT
40007
Total
– flow rate
upper register
UINT
40008
Total
– flow rate
lower register
UINT
40009
Total users Flow rate
upper register
UINT
40010
Total users Flow rate
lower register
UINT
40011
Actual flow rate
upper register
INT
40012
Actual flow rate
lower register
UINT
40013
Error status
INT
*3
*1 Calculation of the serial number using the following formula:
Serial number = (upper register * 65536) + lower register
*2 Calculation of the sums according to the following formula:
SumX = ((upper register *65536) + lower register) /100