Specifications

Chapter 5 - AsconMBCommLib
153
5-3-24 MB_SLV_WR8_DWORD
FB Prototype MB_SLV_WR8_DWORD
Input parameters
Output parameters
Description This Function Block writes 8 DWORD values passed with DATA1 – DATA8
parameters to the memory area starting from the passed register ( REGISTER ).
The output of the module (
OPRS ) is used to detect if the operation is performed
correctly. The setting
AD_MODE allows the user to select if the REGISTER input
base is 0 (
AD_MODE = FALSE ) or 1 ( AD_MODE = TRUE). The default value for
AD_MODE is TRUE.
Reference
tables
Here are reported the range of the parameters used by the function block.
Protocol
OPRS
Label Type Description
PROTOCOL ASCON_SERIALPROTOCOL Reference Protocol
REGISTER UINT Register
DATA1 – DATA8 DWORD Data
AD_MODE BOOL
Addressing Mode Setting
(default value = TRUE)
Label Type Description
OPRS USINT Function block result
PROTOCOL
REGISTER
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
AD_MODE
ASCON_SERIALPROTOCOL
UINT
DWORD
DWORD
DWORD
DWORD
DWORD
DWORD
DWORD
DWORD
BOOL
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USINT OPR
S
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Protocol Description
SLAVE1 Protocol Modbus Slave 1
SLAVE2 Protocol Modbus Slave 2
OPRS Description
0 Service executed correctly
1 Address not allowed
3 Protocol number not valid