Specifications

sigmadue - IEC 61131-3 Function Block Library
160
5-3-31 MB_SLV_WR_WORD
FB Prototype MB_SLV_WR_WORD
Input parameters
Output parameters
Description This Function Block writes the WORD value passed with DATA parameter to the
memory area corresponding to 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
DATA WORD Data
AD_MODE BOOL
Addressing Mode Setting
(default value = TRUE)
Label Type Description
OPRS BOOL Function block result
PROTOCOL
REGISTER
DATA
AD_MODE
ASCON_SERIALPROTOCOL
UINT
REAL
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